Planning, Building & Environmental Services

NOTICE: New Building Code Requirements went into effect June 17, 2021 to improve fire protection for all new residential construction and rebuilds. Please refer to Ordinance No. 1468 and Resolution 2021-50 for details.

NEW! California Senate Bill 9 (SB 9). Napa County is preparing an implementing ordinance to address California Senate Bill 9 (SB 9) that became effective January 1, 2022, and which allows within certain limited areas two-unit developments on single family residential properties or a subdivision of a single family residential lot into two lots.  Please visit the Accessory Dwelling Unit (ADU) and Senate Bill 9 page for more information.

Wildfire Recovery Information. Hennessey Fire and Glass Fire 2020 If your property was damaged or destroyed, we are here to help. Visit the Rebuilding After the Fire website for information on the clean up and rebuilding process, or visit the Local Assistance Center (LAC) website for additional fire recovery information and resources.  

COVID-19 Temporary Measures. County Adopts Resolution No. 2022-61 to update COVID-19 temporary measures for health and safety business operations. To submit, please download the fillable Notice of Intent forms for Temporary Measures for COVID-19 Application Form or the Fire-Related Host Winery Business Operations Applicationand then upload the completed form(s) to our PBES cloud services here COVID-19 Temporary Measures COVID-19 Temporary Measures COVID-19 Temporary Measures COVID-19 Temporary Measures COVID-19 Temporary Measures and PBES staff will be notified that it has been submitted.

Bid Opportunities. For current County Bid Opportunities visit the Napa County Procurement Webpage

Maps and More: PBES Citizen Toolbox

Explore PBES Citizen Tools below. Explore maps, apps, and data from our department. Check back often - we’re always working on new tools.

For a one-stop-shop of all things maps and data, please visit the map explorer website or click on the image below (please note that this app will not work in Internet Explorer):

Screenshot of PBES' Public Map Explorer application Opens in new window


For more content-specific maps, please try one of these:

Helpful Information