MicroHom
Live checks of the map services, official funding and election pages, and every static figure with its source and as-of date.
Titles, dates, and links come from the allowlisted public pages. This page does not fill in a status the source did not send.
Checking the official pages…
All 58 California counties from the parcel registry. A live check runs when the row scrolls into view. Counties without a public service are not given a guessed status.
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https://services5.arcgis.com/ROBnTHSNjoZ2Wm1P/arcgis/rest/services/Parcels/FeatureServer/0
Alameda County (AGOL org owner AlamedaCounty.CA.US)
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Registry data last edit 2026-10-04T10:21-07:00.
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County of Alpine
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Registry data last edit 2025-11-28T11:48-08:00.
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https://services9.arcgis.com/Z65sx307Hunxj6eq/arcgis/rest/services/ParcelData_Public/FeatureServer/0
Amador County Planning (Amador_Planning)
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Registry data last edit 2026-10-16T12:08-07:00.
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https://gisportal.buttecounty.net/arcgis/rest/services/Parcels/FeatureServer/0
Butte County (county ArcGIS Enterprise)
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Not checked
https://gisportal.calaverascounty.gov/server/rest/services/PARCELS/MapServer/0
Calaveras County (county ArcGIS Enterprise)
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Not checked
County of Colusa DPW
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Registry data last edit 2026-08-31T12:34-07:00.
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https://gis.cccounty.us/arcgis/rest/services/CCMAP/Assessment_Parcels_ArcPro/MapServer/0
Contra Costa County DoIT / Assessor
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Please see the Contra Costa County Data Disclaimer .
Contra Costa County Assessor's Office
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https://services3.arcgis.com/IkUDY1vRIUWiVvcz/arcgis/rest/services/Parcels_20241125/FeatureServer/0
Del Norte County (AGOL org; owner r.sarina)
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Registry data last edit 2026-03-23T11:31-07:00.
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https://services.arcgis.com/UHg8l1wC48WQyDSO/arcgis/rest/services/Parcels/FeatureServer/1
County of El Dorado Surveyor GIS Division
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Registry data last edit 2026-10-15T07:28-07:00.
This content item is licensed under the County of El Dorado GIS Division (EDC GIS) and is subject to the County GIS Data Disclaimer for public use. This product is preliminary and subject to change. It is for informational and planning purposes only and is not suitable for legal, engineering, acquisition, design, or surveying purposes. Additional validation(s) by the intended recipient may be necessary. Results are based upon assumptions. Please refer to this list of assumptions when assessing t
County of El Dorado Surveyor Department GIS Division (EDC GIS) (530) 621-5440 [email protected]
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https://gisprod10.co.fresno.ca.us/server/rest/services/FC_PARCEL_SELECT/MapServer/0
County of Fresno (county ArcGIS Server)
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https://services3.arcgis.com/GUHJKBhKMcD5JjTe/arcgis/rest/services/Zoning_Finder/FeatureServer/0
Glenn County GIS
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This county zoning layer was last edited in November 2023.
Registry data last edit 2023-11-21T11:08-08:00.
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https://cty-gis-web.co.humboldt.ca.us/server/rest/services/Parcels/Parcels/MapServer/0
Humboldt County GIS
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Imperial County Planning & Development Services
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Registry data last edit 2026-06-15T09:07-07:00.
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https://gis.inyo.gov/server/rest/services/ParcelsPublic/FeatureServer/0
Inyo County (county ArcGIS Enterprise)
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Kern County (KernGIS / Assessor Mapping)
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Kern GEONET terms apply to this layer. The data is provided as-is.
Registry data last edit 2026-08-17T11:59-07:00.
SUMMARY: This disclaimer statement requires the data recipient to receive the data "as is" with no warranty, and to hold all data providers not liable for any losses or damages caused by, or resulting from, use of the data. The statement also requires the data recipient to not distribute any portion of the data without a copy of this disclaimer statement. Whereas the Kern Geographic Information Network (Kern GEONET) and its members and other agencies have developed digital geographic data herein
Kern County Assessor's Office, Mapping Section. Kern Council of Governments. Merced County Association of Governments. City of Bakersfield, IT Division, GIS Services. City of Shafter, IT Department, G
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https://services3.arcgis.com/24gLq1DBBzDfd0cZ/arcgis/rest/services/Parcel_view/FeatureServer/143
Kings County (AGOL org)
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Registry data last edit 2026-10-01T11:04-07:00.
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https://services.arcgis.com/W9F9wfM5YRkBzUKB/arcgis/rest/services/Parcels/FeatureServer/0
Lake County IT Dept
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Registry data last edit 2026-09-03T18:24-07:00.
Not checked
Lassen County Planning & Building
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https://public.gis.lacounty.gov/public/rest/services/LACounty_Cache/LACounty_Parcel/MapServer/0
Los Angeles County eGIS / Assessor
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https://gis.maderacounty.com/server/rest/services/ParcelsNoOwner/FeatureServer/0
Madera County (county ArcGIS Enterprise)
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https://services6.arcgis.com/T8eS7sop5hLmgRRH/arcgis/rest/services/Parcels/FeatureServer/0
County of Marin (opendata_MarinCounty)
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Registry data last edit 2026-06-03T09:41-07:00.
'County of Marin makes no representation or warranties, express or implied, with respect to the use or reuse of the data provided herewith, regardless of its format or the means of its transmission. THE DATA IS PROVIDED 'AS IS' WITH NO GUARANTEE OR REPRESENTATION ABOUT THE ACCURACY, CURRENCY, SUITABILITY, PERFORMANCE, MERCHANTABILITY, RELIABILITY, OR FITNESS OF THE DATA FOR ANY PARTICULAR PURPOSE. Most data, especially parcels and administrative boundaries, are not survey precise. County of Mari
Marin County Community Development Agency, Marin County Assessor Office
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Mariposa County GIS
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Registry data last edit 2026-10-16T16:48-07:00.
Disclaimer: The parcel boundaries in this map are primarily meant for reference. They are useful for providing a general idea of the shape, location, and size of parcels of land within Mariposa County. The information on these maps should not be considered a "legal description" of a property. Legal descriptions are typically precise and legally binding, often recorded in the county recorder's office. They provide the exact boundaries and specifications required for property transactions and lega
Mariposa County GIS
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https://services5.arcgis.com/8y4r60VTvWj2wnDH/arcgis/rest/services/Parcels_Public_/FeatureServer/0
Mendocino County ISD GIS Office
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Registry data last edit 2026-06-08T10:36-07:00.
Mendocino County's GIS parcel file is not a survey product and cannot be used to determine legal boundaries. The County of Mendocino and the Executive Office make no representations or warranties regarding the accuracy or completeness of the data or its suitability or condition for a particular purpose. The user will not seek to hold the County or the Executive Office liable under any circumstances for any damages with respect to any claim by the user or any third party on account of or arising
Mendocino County Information Services Department, GIS Office
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Merced County GIS
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This county layer is a June 2025 valuation-analysis snapshot.
Registry data last edit 2025-06-16T08:19-07:00.
not published
Modoc County does not publish a public parcel service. No public county parcel GIS service found. Assessor parcel lookup is hosted by vendor ParcelQuest (assr.parcelquest.com/impl/MODREC); no open-data parcel layer published by the county.
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https://gis.mono.ca.gov/webgis/rest/services/OpenData/Cadastral/MapServer/1
Mono County GIS
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https://services2.arcgis.com/nOGTdfb4kF4dZljH/arcgis/rest/services/Parcels/FeatureServer/0
County of Monterey
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Registry data last edit 2026-09-04T13:53-07:00.
This GIS data is provided "AS IS." The County of Monterey (COUNTY) makes no warranties, express or implied, including without limitation, any implied warranties of merchantability and/or fitness for a particular purpose, regarding the accuracy, completeness, value, quality, validity, merchantability, suitability, and/or condition, of the GIS data. The COUNTY also specifically does not guarantee that the information is free from harmful effects or viruses and that it will not harm the u
County of Monterey Assessor's Office
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Napa County GIS
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Registry data last edit 2026-10-16T04:40-07:00.
Open Data The Napa County Public Parcels layer is open and made available under the Public Domain Dedication and License version v1.0 whose full text can be found at: Open Data Commons - Public Domain Dedication & License (PDDL) The geographic placement of boundaries within this map are approximate and subject to change. Parcel boundary accuracy can vary significantly, with errors ranging from a few feet to several hundred feet. Users of this map are responsible for determining its suitabili
Napa County Public Works - Surveying Services, Napa County Assessor’s Mapping Section, Napa County Information Technology Services and GIS, ESRI Parcel Fabric v. 3.1.4
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Nevada County GIS
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https://www.ocgis.com/survey/rest/services/Landbase/MapLayers/MapServer/65
OC Public Works / OC Survey (ocgis.com)
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Placer County GIS
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Registry data last edit 2026-10-16T11:25-07:00.
PUBLIC
not published
Plumas County does not publish a public parcel service. No live county parcel web service. County publishes a downloadable KMZ only (updated July 2026) on its GIS download page. An unofficial Sierra Institute hosted copy (Plumas_County_Parcels_2024, 26,132 records) exists but is not official and was not used.
Not checked
https://gis.countyofriverside.us/arcgis_mapping/rest/services/OpenData/Assessor/MapServer/50
County of Riverside GIS (OpenData)
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https://services1.arcgis.com/5NARefyPVtAeuJPU/arcgis/rest/services/Parcels/FeatureServer/0
Sacramento County GIS
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Registry data last edit 2026-10-11T00:10-07:00.
This work is licensed under a Creative Commons Public Domain Dedication License
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https://services2.arcgis.com/NjMFCzThTMQy3AJa/arcgis/rest/services/Open_Data_Parcels/FeatureServer/0
San Benito County
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Registry data last edit 2026-10-16T07:09-07:00.
Although every reasonable effort has been made to assure the accuracy of this data, the County of San Benito makes no warranty, representation or guaranty as to the content, sequence, accuracy, timeliness or completeness of any of the data provided herein and explicitly disclaims any representations and warranties, including, without limitation, the implied warranties of merchantability and fitness for a particular purpose. The County of San Benito assumes no liability for any errors, omissions,
Not checked
County of San Bernardino
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Registry data last edit 2026-09-30T12:09-07:00.
Every reasonable effort has been made to ensure the accuracy of this map. San Bernardino County makes no warranty, representation or guaranty of the content, sequence, accuracy, timeliness or completeness of the data provided herein. The user of this map should not rely solely on the data provided herein for any reason. San Bernardino County shall assume no liability for any errors, omissions, or inaccuracies in the information provided regardless of how caused. San Bernardino County shall assum
SBCo GIS
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https://geo.sandag.org/server/rest/services/Hosted/Parcels/FeatureServer/0
SanGIS (City & County of San Diego JPA), hosted by SANDAG
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SanGIS terms apply. The layer is provided as-is.
Registry data last edit 2026-10-06T08:16-07:00.
SanGIS Legal Notice SanGIS GIS Data End User Use Agreement and Disclaimer for Data Released to the Public READ THESE TERMS CAREFULLY BEFORE USING THE DIGITAL DATA! Use of the data specifically acknowledges the end user’s acceptance of the below terms of use and disclaimer. A. Definitions The following words, phrases, or terms shall have the following meaning: 1. "End User" means, without limitation, any natural person, firm, corporation, partnership, business entity of any kind, or loc
SanGIS using legal recorded data provided by the County Recorders and Assessor's Office. See the County ARCC website at https://arcc.sdcounty.ca.gov/Pages/default.aspx for more information about tax p
Not checked
City and County of San Francisco (DataSF)
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Registry data last edit 2026-10-17T05:23-07:00.
Open Data Commons Public Domain Dedication and License: http://opendatacommons.org/licenses/pddl/1.0/
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https://services2.arcgis.com/GQhSReJEO6f7tsvy/arcgis/rest/services/Parcels/FeatureServer/0
San Joaquin County Public Works GIS
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Registry data last edit 2026-10-12T13:44-07:00.
Not checked
https://gis.slocounty.ca.gov/arcgis/rest/services/Public/SLO_CO_PARCELS/MapServer/0
County of San Luis Obispo
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https://gis.smcgov.org/maps/rest/services/ACRE/ACTIVE_PARCELS/FeatureServer/0
County of San Mateo
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Not checked
County of Santa Barbara Clerk-Recorder-Assessor
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Registry data last edit 2026-09-02T15:20-07:00.
This data shall not be published over the public internet by any state or local agency due to Government Code section 6254.21(a) & (f)(13) and 6254.24 which prohibits any state or local agency from posting on the Internet the home address or telephone number of any appointed, elected, or public safety officials. County of Santa Barbara Clerk-Recorder-Assessor & Registrar of Voters does not assume liability for any damages caused by any errors or omissions in the data, nor as a result of
Santa Barbara County Clerk-Recorder-Assessor Mapping Department
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Santa Clara County Planning & Development
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Registry data last edit 2026-10-14T13:38-07:00.
There are no Use Constraints. The user must be familiar with GIS software and web maps to use these data. No support on the use of software or webmaps is provided. All information provided herein by the Santa Clara County Department of Planning and Development (SCCDPD) is provided for informational purposes only and does not constitute a legal contract between the SCCDPD and any person or entity. Information on the website is subject to change without prior notice. Although every reasonable effo
not published
Santa Cruz County does not publish a public parcel service. Official county ArcGIS Server is offline: every request to https://sccgis.santacruzcountyca.gov/server/rest/services/... (and the old gis.santacruzcounty.us host, which redirects there) returned HTTP 500 '9017$SITE_NOT_INITIALIZED' on repeated tests 2026-10-17. Recheck later; candidate layers data/MapServer/2 and opendata/MapServer/27.
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https://services2.arcgis.com/22p1CUjMjjRWlw6O/arcgis/rest/services/ParcelsLandUse/FeatureServer/0
Shasta County
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Registry data last edit 2025-12-11T14:46-08:00.
not published
Sierra County does not publish a public parcel service. No county-published parcel service. Official public viewer is a vendor app (mydashgis.com/SierraCountyPublic). A consultant-hosted copy (D. Woolley & Associates, 4,874 records) exists but is not official and was not used.
Not checked
Siskiyou County GIS
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Registry data last edit 2026-02-09T13:36-08:00.
Features shown are compiled from many different sources and may not be, necessarily, current or reliable. The County of Siskiyou assumes no liability for the use of the data and makes no warranty, representation, or guaranty as to the content, accuracy, timeliness, suitability, or completeness of any of the spatial or database information provided.
Siskiyou County GIS
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Solano County DoIT GIS
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Registry data last edit 2026-10-05T09:15-07:00.
All parcels are based on the Solano County Tax Maps. However, boundaries are adjusted to the current available imagery which may result in discrepancies with the Tax Map. Imagery was flown by Sanborn, 2024. This dataset is not suitable for high-precision measurement applications such as engineering problems, property transfers, or other uses that might require highly accurate measurements of the earth's surface. Disclaimer: By using this data, the user acknowledges that it is possible that error
This data is maintained by Geographic Technologies Group under the guidance of Solano County. All parcels are based on the Solano County Tax Maps. If there are discrepancies, Tax Map is considered aut
Not checked
https://socogis.sonomacounty.ca.gov/map/rest/services/CRAPublic/Parcels_Public_WM/FeatureServer/0
Sonoma County (socogis)
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Not checked
https://services.arcgis.com/EeYBJFxLdUojipYa/arcgis/rest/services/Public_Parcels/FeatureServer/0
Stanislaus County Assessor / ITC GIS
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Registry data last edit 2026-10-01T04:15-07:00.
This data is a Public Resource of General Information. Stanislaus County GIS (Geographic Information Systems) Division provides this information with the understanding that it is not guaranteed to be accurate, correct, or complete and any conclusions drawn from such information are the sole responsibility of the user. Stanislaus County makes no warranty, representation, or guarantee as to the content, sequence, accuracy, timeliness, or completeness of any of the database information provided her
Stanislaus County Assessor and ITC GIS
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https://services6.arcgis.com/rHMUPKWdiOvdGXkw/arcgis/rest/services/Tax_Parcels_DS/FeatureServer/0
Sutter County
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Registry data last edit 2026-10-17T04:15-07:00.
Not checked
Tehama County Transportation Commission Geospatial
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Registry data last edit 2026-04-20T10:46-07:00.
Not checked
https://services2.arcgis.com/32siQkg0O6da8zFF/arcgis/rest/services/Parcel_Service/FeatureServer/0
Trinity County RCD (with Trinity County Planning & Assessor) - quasi-official
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Published by the Trinity County Resource Conservation District with County Planning and the Assessor.
Registry data last edit 2026-08-21T08:21-07:00.
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Tulare County
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Registry data last edit 2026-10-17T00:11-07:00.
Not checked
Tuolumne County
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Registry data last edit 2026-05-22T13:48-07:00.
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https://maps.ventura.org/arcgis/rest/services/SDs/Parcels/MapServer/0
County of Ventura
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Not checked
Yolo County GIS Cooperative
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Registry data last edit 2026-06-24T11:12-07:00.
Not checked
https://gis.yuba.org/arcgis/rest/services/Public/Parcels_Public/MapServer/0
Yuba County
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Checked in this browser when the page loads. Slow means the response took 2 seconds or more. A blocked response is marked can't check from browser.
Checking…
https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer
Waiting for this browser’s check.
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https://tile.openstreetmap.org/
Waiting for this browser’s check.
Every figure below was checked on 2026-10-17. Each one links to its source with an as-of date. A number without a page is not in this list. Items marked not yet sourced stay blank. Derived items say how they were computed.
high
0.95 USD per sq ft (wood-stud batt, full pallet only, before shipping)
As of 2026-10-17.
Hempitecture Product Guide (2025 PDF)
Standard Batt 2" R7 ... $0.95 SqFt $668.8 Pallet 704 Total SqFt/Pallet. All materials sold by the full pallet only.
high
1.29 USD per sq ft (wood-stud batt, full pallet only, before shipping)
As of 2026-10-17.
Hempitecture Product Guide (2025 PDF)
Standard Batt 3.5" R13 ... $1.29 SqFt $516 Pallet 400 Total SqFt/Pallet. All materials sold by the full pallet only.
high
1.79 USD per sq ft (wood-stud batt, full pallet only, before shipping)
As of 2026-10-17.
Hempitecture Product Guide (2025 PDF)
Standard Batt 5.5" R20 ... $1.79 SqFt $458.24 Pallet 256 Total SqFt/Pallet. All materials sold by the full pallet only.
high
2.59 USD per sq ft (wood-stud batt, full pallet only, before shipping)
As of 2026-10-17.
Hempitecture Product Guide (2025 PDF)
Standard Batt 7.5" R28 ... $2.59 SqFt $497.28 Pallet 192 Total SqFt/Pallet. All materials sold by the full pallet only.
high
3.69 R per inch
As of 2026-10-17.
Hempitecture Product Guide (2025 PDF)
At R3.69/in, the thermal resistance of HempWool insulation is comparable to commonly used insulation products.
high
45 USD per 50 lb bag (retail, before freight)
As of 2026-10-17.
Hempcrete Binder – Hemp and Block
$ 45.00 ... Packaged in 50 lb., multi-wall paper bag ... 1 x 50 lb. bag Hempcrete Binder to 33 lbs. hemp hurd yields up to 4.5 cubic feet of hempcrete
high
50 USD per 33 lb bag (~4.25 ft3, retail, before freight)
As of 2026-10-17.
Building-Grade Hemp Hurd – 33 lb. Bags – Hemp and Block
$ 50.00 ... Each bag is 33 lbs., containing approximately 4.25 ft3 of hemp hurd.
mediumderived
21.11 USD per cubic foot of cast hempcrete, materials only (DERIVED)
As of 2026-10-17.
Derived from Hemp and Block binder ($45) + hurd ($50) retail prices
Computed: Derived calculation; label as derived in UI.
(45 + 50) / 4.5 ft3 yield = $21.11/ft3 (= ~$745/m3). Retail single-bag prices; bulk pallet pricing is 'contact us'. Excludes freight, labor, formwork, render.
high
15.5 USD per block (nominal 8x8x16 in, retail)
As of 2026-10-17.
Hempcrete Blocks – Hemp and Block
4″ x 8″ x 16″ – $8 / 8″ x 8″ x 16″ – $15.50 / 12″ x 8″ x 16″ – $21. Bulk pricing for hempcrete blocks on pallet orders. Contact us.
high
21 USD per block (nominal 12x8x16 in, retail)
As of 2026-10-17.
Hempcrete Blocks – Hemp and Block
12″ x 8″ x 16″ – $21
mediumderived
17.44 USD per sq ft of wall face, 8 in wall, blocks only (DERIVED)
As of 2026-10-17.
Derived from Hemp and Block 8x8x16 price
Computed: Derived calculation.
$15.50 / (8 in x 16 in = 0.889 sq ft nominal face) = $17.44/sq ft. Excludes mortar, render, freight, labor.
high
32 (range 32–55) USD per block at pallet quantity (16x8x8 in, non-load-bearing)
As of 2026-10-17.
Hemp Blocks - Lancaster Lime Works
$ 55.00 ... Pallets contain up to 105 blocks and can be shipped anywhere. Pallet price per block is $32.00.
medium
65 USD per panel (anticipated price; 16 in W x 24 in H x 12 in thick)
As of 2026-10-17.
Z Panels - Sativa Building Systems
Company says 'anticipated'; not a firm quote.
The anticipated Z Panel cost is $ 65 per unit. This would result in only a 10-12% cost increase for initial total project costs compared to the cheapest alternatives.
mediumderived
24.38 USD per sq ft of wall face (DERIVED; 16x24 in exterior face = 2.667 sq ft)
As of 2026-10-17.
Computed: Derived.
$65 / 2.667 sq ft = $24.38/sq ft panel face, before install/freight.
medium
1.1 kg CO2e sequestered per panel (manufacturer EPD claim)
As of 2026-10-17.
Z Panels - Sativa Building Systems
Each Z Panel Sequesters 1.1 kg of COeq. View the EPD Here!
nonenot yet sourced
not yet sourced
As of 2026-10-17.
No source URL. The value is not yet sourced.
No supplier publishes freight to Arcata; Hemp and Block and Hempitecture quote freight on request.
low
124.95 price per m2 installed & rendered (CURRENCY UNCLEAR - page says 'Excluding GST', likely AUD)
As of 2026-10-17.
Pricing | HempBLOCK International
Price not in USD (the listing says excluding GST, and the currency is not stated). Not used in any total.
INSTALLED & RENDERED 600 x 300 x 150 $124.95 Estimated price for blocks installed per M2 ... Excluding GST
high
1.35 (range 0.81–2.47) USD per sprinklered sq ft, new construction (2013 dollars, national, 51 homes/17 communities)
As of 2026-10-17.
Fire Protection Research Foundation, Home Fire Sprinkler Cost Assessment – 2013 (Table 2)
Not inflation-adjusted; not California-specific. FPRF lists an updated 2026 assessment project but no new figure was found.
2013 Cost $/Sprinklered ft2: Mean $1.35; Median $1.22; Minimum $0.81; Maximum $2.47. Total Cost: Mean $6,026; Median $5,000; Minimum $1,695; Maximum $21,000.
high
1.22 USD per sprinklered sq ft (median, 2013)
As of 2026-10-17.
FPRF Home Fire Sprinkler Cost Assessment – 2013
Median $1.22
high
1,695 USD minimum total system cost observed (2013)
As of 2026-10-17.
FPRF Home Fire Sprinkler Cost Assessment – 2013
Useful floor for very small (200-400 sq ft) homes, where $/sq ft x area understates fixed costs.
Minimum ... Total Cost $1,695
high
1.35 USD per sq ft new home
As of 2026-10-17.
U.S. Fire Administration – Home Fire Sprinklers
A sprinkler costs about $1.35 per square foot in a new home.
high
-36.08 kg CO2e net life-cycle per m2 of 300 mm timber-framed hemp-lime wall (100 yr)
As of 2026-10-17.
Ip & Miller 2012, Resources, Conservation & Recycling 69:1-9 (doi:10.1016/j.resconrec.2012.09.001)
results showed the functional unit could sequestrate 82.7kg of carbon dioxide with a net life cycle reduction of greenhouse gas emission of 36.08kg CO2e.
mediumderived
-120.3 (range -120.3–-275.7) kg CO2e net per m3 of wall (DERIVED: 36.08 / 0.3 m3)
As of 2026-10-17.
Computed: Net vs gross; UK study; mix and boundary dependent.
36.08 kg CO2e / 0.3 m3 = ~120 kg CO2e/m3 net stored; gross uptake 82.7/0.3 = ~276 kg CO2/m3
high
-12.09 (range -12.09–-26.01) kg CO2e net per m2 block wall after 240 days (up to -26.01 if fully carbonated)
As of 2026-10-17.
Arrigoni et al. 2017, J. Cleaner Production 149:1051-1061
The emission balance after 240 d was ... a net absorption of 12.09 kg CO2-eq per square meter of hempcrete wall ... If the wall were completely carbonated, the emission balance would have been equal to -26.01 kg CO2-eq/m2.
high
-16 kg CO2e per m2 wall (U=0.27 W/m2K), best of 36 formulations
As of 2026-10-17.
Arehart, Nelson & Srubar 2020, J. Cleaner Production 266:121846
Shows some mixes are net-positive; app must not claim all hempcrete is carbon negative.
we predict that the total life cycle CO2e emissions of hempcrete can be negative, with a minimum of -16.0 kg CO2e/FU ... some hempcrete formulations can exhibit net-positive emissions, especially high-density mixes (>300 kg/m3) containing portland cement
medium
100–308 kg CO2 per m3 (literature range cited in review)
As of 2026-10-17.
Muhit et al. 2024 review (Teesside University repository)
Bevan and Woodley estimated that 1 m3 of hempcrete wall could sequester over 100 kg of CO2, while Jami et al. suggested that this sequestration could reach up to 308 kg of CO2 per m3.
medium
1.84 kg CO2 locked per kg processed hemp shiv (photosynthesis, gross)
As of 2026-10-17.
Bevan and Woodley ... stated that 1.84 kg of CO2 is locked up for every kg of processed hemp shiv through photosynthesis.
high
2,145,000,000 USD (Homekey+ NOFA total)
As of 2026-10-17.
Rolling until exhausted. March 27, 2026 amendment: 'As of March 27, 2026, HCD has received funding requests for approximately $360 million for Veteran Units' — veteran funds underutilized.
announce the availability of approximately $2.145 billion of Homekey+ grant funding ... an estimated $1.033 billion in Proposition 1 bond funds are available for Projects for Veterans ... an estimated $1.11 billion is available for Projects serving all eligible populations
high
200,000 USD per door (baseline, no match required)
As of 2026-10-17.
HCD Homekey+ NOFA, Amended March 27, 2026 (§205)
HCD will contribute a baseline amount of $200,000 per door for each Assisted Unit and Manager's Unit. This baseline contribution does not require capital match.
high
300,000 USD per door with 1:1 local match of $100,000
As of 2026-10-17.
HCD Homekey+ NOFA, Amended March 27, 2026 (§205)
the Eligible Applicant may leverage a 1:1 local match to provide up to $100,000 in additional funds per door. For example, where the Applicant shows $100,000 or more in matching funds, HCD will fund no more than $300,000 for an Assisted Unit
high
1,400 USD per assisted unit per month (operating subsidy cap)
As of 2026-10-17.
HCD Homekey+ NOFA, Amended March 27, 2026 (§206)
the total amount of operating Award per Assisted Unit shall not exceed $1,400 per month for the duration of the operating Award
high
11,250,000,000 USD (proposed GO bond on Nov 3, 2026 ballot; NOT yet approved)
As of 2026-10-17.
LAO ballot analysis – Proposition 1, November 3, 2026
Election is Nov 3, 2026; outcome unknown as of 2026-10-17. Also: this 2026 Prop 1 is a different measure from the March 2024 Prop 1 ($6.38B behavioral health bond) that funds Homekey+.
Proposition 1 allows the state to sell $11.25 billion in general obligation bonds for housing purposes ... Proposition 1 provides $7.2 billion to acquire, build, or renovate rental housing ... $200 million that would be available ... for pilot projects aimed at developing housing at reduced costs.
high
7,200,000,000 USD (if approved)
As of 2026-10-17.
Proposition 1 provides $7.2 billion to acquire, build, or renovate rental housing
high
200,000,000 USD (if approved)
As of 2026-10-17.
Proposition 1 provides $200 million that would be available to cities, counties, and certain other entities for pilot projects aimed at developing housing at reduced costs.
high
200,000,000 USD (if approved)
As of 2026-10-17.
Tribal Housing Program. Proposition 1 provides $200 million in grants to tribes.
high
450,000,000 USD (if approved)
As of 2026-10-17.
Farmworker Housing Program. Proposition 1 provides $450 million in loans and grants
high
6,380,000,000 USD (passed March 2024)
As of 2026-10-17.
California voters passed Proposition 1, which included $6.38 billion in funding ... With $2.2 billion in funding allocated from the passage of Proposition 1, HCD will expand on the success of its Homekey Program
high
240,000,000 USD (2026 MHP Gap NOFA; closed 6/5/2026; only for projects with existing HCD award)
As of 2026-10-17.
California Grants Portal – 2026 MHP Gap Funding NOFA
Total estimated available funding $240,000,000.00 ... Application deadline 6/5/26 ... Eligibility ... limited to multifamily projects ... that have an existing HCD award
high
650,000,000 USD (Round 10; closed 5/4/2026; awards expected Dec 2026)
As of 2026-10-17.
California Grants Portal – AHSC Round 10 NOFA
Per-project maximum not stated on portal; set in NOFA.
release of this Notice of Funding Availability (NOFA) with approximately $650 million in funds for the Affordable Housing and Sustainable Communities (AHSC) Program
high
3.416 USD per capita (2026 federal 9% LIHTC)
As of 2026-10-17.
CTCAC 2026 Credit Estimates (updated Sept 2, 2026)
Per Capita $3.416 Population 39,355,309 $134,437,736 ... Total Federal Credit Ceiling $136,381,450
high
136,381,450 USD annual federal credit ceiling
As of 2026-10-17.
Total Federal Credit Ceiling $136,381,450
high
67,256,563 USD state credit ceiling after prior-year advances
As of 2026-10-17.
State Total ... $67,256,563 ... Less State Credits for 4% Projects ($10,088,484)
high
27,276,290 USD annual (20% rural set-aside)
As of 2026-10-17.
Rural 20% $27,276,290
high
3,403,015 USD annual federal credit, Northern Region (4.4%) — region for Humboldt
As of 2026-10-17.
Humboldt is in CTCAC Northern Region per CTCAC regs; confirm in Regs §10315.
Northern Region 4.4% $3,403,015 $2,012,316
low
27,000,000 USD (approx., 2026 CDBG non-entitlement NOFA; max $3.6M per jurisdiction)
As of 2026-10-17.
California County News – housing grants Jan 2026 (secondary)
Secondary source. Check the figure on hcd.ca.gov/funding/cdbg. Portal closed April 3, 2026.
approximately $27 million ... up to $34 million ... maximum per jurisdiction was $3.6 million (search extract)
nonenot yet sourced
not yet sourced
As of 2026-10-17.
No 2026 statewide HOME NOFA amount found.
high
40,000 USD (1% fixed, 20 yr)
As of 2026-10-17.
USDA RD – Single Family Housing Repair Loans & Grants
Maximum loan is $40,000 / Maximum grant is $10,000 / Loans and grants can be combined for up to $50,000 in assistance ... Loan interest rate is fixed at 1%
high
10,000 USD (age 62+, lifetime limit)
As of 2026-10-17.
Maximum grant is $10,000 ... Grants have a lifetime limit of $10,000
nonenot yet sourced
not yet sourced
As of 2026-10-17.
No source URL. The value is not yet sourced.
Section 515 has no fixed per-project cap found; not researched to a primary figure.
high
97,100 USD, 4-person Area Median Income (CA HCD 2026 State Income Limits)
As of 2026-10-17.
CA HCD 2026 State Income Limits
Humboldt County ... Area Median Income: $97,100 ... Low Income 54400 62200 69950 77700 ... Very Low Income 34000 38850 43700 48550 ... Extremely Low 20450 23350 27320 33000
high
20,450, 23,350, 27,320, 33,000 USD for household size 1,2,3,4
As of 2026-10-17.
CA HCD 2026 State Income Limits – Humboldt County
Extremely Low: 20450 23350 27320 33000 (1-4 persons)
high
34,000, 38,850, 43,700, 48,550 USD for household size 1,2,3,4
As of 2026-10-17.
CA HCD 2026 State Income Limits – Humboldt County
Very Low: 34000 38850 43700 48550 (1-4 persons)
high
54,400, 62,200, 69,950, 77,700 USD for household size 1,2,3,4
As of 2026-10-17.
CA HCD 2026 State Income Limits – Humboldt County
Low: 54400 62200 69950 77700 (1-4 persons)
high
81,550, 93,200, 104,850, 116,500 USD for household size 1,2,3,4
As of 2026-10-17.
CA HCD 2026 State Income Limits – Humboldt County
Moderate: 81550 93200 104850 116500 (1-4 persons)
high
77,700 USD (HUD FY2026 HOME low-income limit, 4 persons; effective June 1, 2026)
As of 2026-10-17.
HUD FY2026 Adjusted HOME Income Limits – California
Humboldt County, CA ... 30% LIMITS 20450 23350 26250 29150 ... VERY LOW INCOME 34000 38850 43700 48550 ... 60% LIMITS 40800 46620 52440 58260 ... LOW INCOME 54400 62200 69950 77700
medium
60 USD per new model
As of 2026-10-17.
25 CCR §3060 – Factory-built housing fees (LII)
LII text last amended 2006; confirm current with HCD Codes & Standards.
(a)(1)(A) Sixty dollars ($60) for each new model.
medium
300 USD per new model
As of 2026-10-17.
(a)(2)(A) Three hundred dollars ($300) for each new model.
medium
203 USD first hour; $92 each later hour
As of 2026-10-17.
Two hundred three dollars ($203) provided the plan check does not exceed one hour ... Second and subsequent whole hours: ninety-two dollars ($92).
medium
62 USD per insignia (per unit/module)
As of 2026-10-17.
(f)(1) Sixty-two dollars ($62) for each insignia, excepting building components. (2) Five dollars ($5) for each individual building component.
medium
196 USD first hour; $82 each later hour
As of 2026-10-17.
(c)(1) One hundred ninety-six dollars ($196) provided the inspection ... does not exceed one hour ... Second and subsequent whole hours: eighty-two dollars ($82).
high
schedule USD by project valuation
As of 2026-10-17.
City of Arcata FY 2027 Master Fee Schedule (effective 7-1-2026)
Building - Minimum Permit Fee $159.00 ... Building Permit Fee ($100,001-$500,000 Valuation) $2,031.22 base plus $9.79 for each $1000 over $100,000 ... ($50,001-$100,000) $1,361.33 base plus $12.59 ... ($25,001-$50,000) $862.68 base plus $18.69
high
0.65 fraction of building permit fee
As of 2026-10-17.
City of Arcata FY 2027 Master Fee Schedule (effective 7-1-2026)
Building - Plan Review Fee - collected at time of application ... 65% of Building Permit Fee
high
0.04 fraction of Building Permit Fee and Plan Review Deposit (also 4% each for ES Waste Diversion and Database/Technology fees)
As of 2026-10-17.
City of Arcata FY 2027 Master Fee Schedule (effective 7-1-2026)
Building - Permit Issuance 4% ... of Building Permit Fee and Plan Review Deposit; Building - ES Waste Diversion Fee 4%; Building Database Management/Technology Fee 4%
high
0.00013 fraction of valuation (min $0.50)
As of 2026-10-17.
City of Arcata FY 2027 Master Fee Schedule (effective 7-1-2026)
Building - SMIP Fee, Residential $0.50 OR 0.013% of valuation whichever is greater
high
3,923 USD per connection (first 18 fixture units)
As of 2026-10-17.
City of Arcata FY 2027 Master Fee Schedule (effective 7-1-2026)
Sewer Capital Connection (all development) - base fee for first 18 fixture units $3,923.00 each
high
7,418 (range 4,723–7,418) USD each (typical install + cleanout; excludes capital fee)
As of 2026-10-17.
City of Arcata FY 2027 Master Fee Schedule (effective 7-1-2026)
$4,723 version is 'without a cleanout'.
Sewer Connection Only (no sewer Capital Connection Fee included) - typical Residential/Commercial installation, plus sewer cleanout up to 6" diameter $7,418.00 each
medium
6,924 USD each, 3/4 in meter installed, 'plus $2,859' (second charge label not legible in PDF text)
As of 2026-10-17.
City of Arcata FY 2027 Master Fee Schedule (effective 7-1-2026)
Where subdivider builds meter box: $574 plus $2,784.
Water System Connection - 3/4" x 3/4" (Badger, Model 35) meter installed $6,924.00 each plus $2,859.00
nonenot yet sourced
not yet sourced
As of 2026-10-17.
No source URL. The value is not yet sourced.
No separate park/traffic development impact fee lines were found in the FY2027 master fee schedule; school fees (Arcata/Northern Humboldt districts) not researched.
high
63.03 USD/hr basic; $102.18/hr total incl. fringes (Area 4 incl. Humboldt; public works only)
As of 2026-10-17.
CA DIR General Prevailing Wage Determination NC-23-31-1-2026-1, Carpenter (issued Aug 22, 2026)
Applies to public works; private residential market wages are lower and not yet sourced.
Area 4: All localities within ... Humboldt ... Carpenter (Area 4) $63.03 $15.87 $11.70 $6.28 $1.36 $3.94 8.0 $102.18
high
39.65 USD/hr basic; $71.96/hr total (Laborer Group 1, Area 2 incl. Humboldt; public works only)
As of 2026-10-17.
CA DIR General Prevailing Wage Determination NC-23-102-1-2026-2, Laborer (issued Aug 22, 2026)
AREA 2 - ... Humboldt ... Group 1; Group 1(B) $39.65 8 $71.96
high
54.79 USD/hr basic; $95.09/hr total (Humboldt, public works) — relevant to lime render
As of 2026-10-17.
#PLASTERER 08/22/2026 06/30/2027 $54.790 ... $95.090
nonenot yet sourced
not yet sourced
As of 2026-10-17.
BLS OEWS May 2025 (blocked to our fetcher)
Could not read the Eureka-Arcata MSA table directly.
medium
50,000 USD list price, 0.40 acre (=$125,000/acre), EXAMPLE LISTING ONLY
As of 2026-10-17.
Redfin – 2950 Terrace Ave, Arcata (MLS 271984)
Steep, atypical lot; listed Apr 10, 2026; not representative of buildable flat land. Not a market average.
For sale $50,000 ... 0.40 acre (lot) ... Two steep lots among mature redwood trees. Drainage easement runs between parcels ... $125,000 Price/Acres ... Residential-Low Density District ... two to 7.25 dwellings per acre
nonenot yet sourced
not yet sourced
As of 2026-10-17.
No source URL. The value is not yet sourced.
No published average per-acre figure for Arcata/Eureka found.
nonenot yet sourced
not yet sourced
As of 2026-10-17.
No source URL. The value is not yet sourced.
Only blog-level estimates found (e.g. $10–$35/sq ft); no reliable primary source. Keep app's business-plan estimates labeled 'estimate'.
high
200,000 USD per door baseline used for cost-containment scoring
As of 2026-10-17.
HCD Homekey+ NOFA, Amended March 27, 2026
Cheaper-per-door hemp tiny homes can earn scoring points.
below baseline per door of $200,000, one (1) point will be assigned for every $10,000 under the baseline amount. (up to 10 points)
high
10,000,000,000 USD (housing-program share of the proposed Nov 3, 2026 bond; NOT yet approved)
As of 2026-10-17.
LAO ballot analysis – Proposition 1, November 3, 2026
This $10 billion is the housing-program share of the $11.25 billion bond. It is not a smaller replacement for the total.
This amount consists of (1) a $10 billion bond for a variety of state housing programs that would be repaid by the General Fund and (2) a $1.25 billion bond that would be repaid by veterans’ payments on their home loans.
high
1,250,000,000 USD (veterans home-loan share of the proposed Nov 3, 2026 bond; NOT yet approved)
As of 2026-10-17.
LAO ballot analysis – Proposition 1, November 3, 2026
Proposition 1 also provides $1.25 billion for home loan assistance to veterans.
high
1,150,000,000 USD (supportive housing inside the proposed bond; NOT yet approved)
As of 2026-10-17.
SB 417 chaptered text, Chapter 16, Statutes of 2026 (LegiScan)
Inside the rental programs. Do not add this on top of the LAO $7.2 billion rental rollup.
One billion one hundred fifty million dollars ($1,150,000,000) to be deposited into the Housing Rehabilitation Loan Fund established pursuant to Section 50661 to be used for supportive housing, as described in Section 50675.14
highderived
15 percent of the supportive-housing allocation, available as grants (up to)
As of 2026-10-17.
SB 417 chaptered text, Chapter 16, Statutes of 2026 (LegiScan)
Computed: The statute states the percent, not a dollar cap. 15 percent of $1,150,000,000 is $172,500,000, derived.
Up to 15 percent of this amount shall be made available as grants to eligible entities specified in Section 50675.1.3
high
600,000,000 USD (CalHome share of the proposed bond; NOT yet approved)
As of 2026-10-17.
SB 417 chaptered text, Chapter 16, Statutes of 2026 (LegiScan)
Part of the $11.25 billion bond. Not an extra award on top of the total.
Six hundred million dollars ($600,000,000) to be deposited into the Self-Help Housing Fund established pursuant to Section 50697.1. The moneys in the fund shall be available for the CalHome Program
high
200,000,000 USD (Affordable Housing Innovation Fund / local housing trust fund matching; NOT yet approved)
As of 2026-10-17.
SB 417 chaptered text, Chapter 16, Statutes of 2026 (LegiScan)
Same $200 million as ca_prop1_2026_reduced_cost_pilots_usd. The LAO describes reduced-cost pilot projects. SB 417 names the Affordable Housing Innovation Fund and the Local Housing Trust Fund Matching Grant Program. Count it once.
Two hundred million dollars ($200,000,000) to be deposited in the Affordable Housing Innovation Fund established pursuant to subparagraph (F) of paragraph (1) of subdivision (a) of Section 53545. Moneys in the fund shall be available, upon appropriation by the Legislature, pursuant to the Local Housing Trust Fund Matching Grant Program established pursuant to Section 50842.2