Official local service finder

Zoning & building permits

Look up a property’s zoning and find the right permit office.

Apply for a building permit Look up zoning maps

Before you start

Start with the jurisdiction of the property. County permit offices may serve only unincorporated areas.
Use the official map and confirm project requirements with the planning or building office.

1 guide with reviewed service links · Sonoma

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U.S. Census boundaries via U.S. Atlas · 2017 edition, simplified for display.

County government · Sonoma

Permit Sonoma

Unincorporated Sonoma County, outside its nine incorporated cities.

County building permit informationOfficial instructions

Official county building permit guidance. Service boundaries and project requirements must be confirmed with the department.

Source checked October 14, 2026

Sonoma County · Sonoma — building permit department (opens in a new tab)

Official page text containing: Permit Sonoma, previously known as the Permit and Resource Management Department

Latest News email updates Permit Answers Search our online database of frequently asked questions (FAQs) Permit Sonoma Permit Sonoma, previously known as the Permit and Resource Management Department, is Sonoma County's consolidated land use planning and development permitting agency. Virtually any land development or construction that takes place in the unincorporated area of Sonoma County (outside the nine incorporated cities) is reviewed, permitted, and inspected by Permit Sonoma. Read More About Us » Upcoming Events View All Events 15 Oct 2026 1:00

Saved evidence: a67ccdcfb4b6c963 · Agent source review

Zoning & land-use lookupOfficial online service

Use Permit Sonoma’s linked parcel search to look up zoning and land-use information.

Source checked October 13, 2026

Sonoma County · Sonoma County — building (opens in a new tab)

Permit Sonoma — property tools

Zoning & Land Use

Saved evidence: 5ebf107059cf3ca1 · Agent source review

Interactive county mapsOfficial online service

Open the interactive maps linked by Permit Sonoma. Confirm the permitting jurisdiction for the property.

Source checked October 13, 2026

Sonoma County · Sonoma County — building (opens in a new tab)

Permit Sonoma — property tools

Interactive Maps

Saved evidence: 5ebf107059cf3ca1 · Agent source review

Apply for PermitsOfficial online service

Official permitting resource linked by the department. Check the available permit types and application instructions before starting.

Source checked October 14, 2026

Sonoma County · Sonoma — building permit department (opens in a new tab)

Official page text containing: Apply for Permits

Available Services Media & Outreach Department Divisions Business Hours Accessibility Assistance Permit Services & Data Apply for Permits Check Permit Status Pay Permit Fees Permit Instructions, Forms, Policies, & Fee Schedules Submittal Requirements Planning Referrals Permit Tools Permits Online Digital Plan Room Performance Data Long Range Plans Proposed Long-Range Plans Adopted Long-Range Plans Regulations and Initiatives Zoning About Us Contact Us Boards, Commissions, Committees Significa

Saved evidence: a67ccdcfb4b6c963 · Agent source review

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