CWCountyWikiIndependent guide to local services
California

We remember your state on this device to show its pages first.

All states →
Sonoma County, California · Property and assessment

Find county GIS and property maps in Sonoma County

Browse official GIS tools, assessor map information and county map referrals. Some entries provide instructions or map indexes rather than an interactive GIS viewer.

2 providers · 2 official links · sources checked October 26, 2026

In Sonoma County, 2 county departments publish 2 official links for this service. 1 provider lists forms on their guides.

These are the Sonoma County providers with a reviewed service link for this task. Other offices may also help, and a provider may serve only part of the county: check each service area. Fees and forms stay on each office’s guide, where their sources are cited.
County government

Assessor

Parcel Maps (opens in a new tab)Official instructions

Officially linked county property-map resource. This verifies the referral and stated label; interactive layers, parcel results, legal boundaries, buildability and application eligibility are not determined here.

Source & saved evidence

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

Official property-office map referral: Parcel Maps

Parcel Maps

Agent source review: October 26, 2026 · Snapshot 124cea140cb5189b

Address
585 Fiscal Drive Room 104F Santa Rosa, CA 95403
Hours
Monday – Tuesday 8:00 AM – 5:00 PM Wednesday 8:00 AM – 4:00 PM Thursday – Friday 8:00 AM – 5:00 PM Note: No fee transactions or document processing within 30 minutes of closing

Contacts & sources · 1 form

County government

Permit Sonoma

Unincorporated Sonoma County, outside its nine incorporated cities.

Interactive Maps (opens in a new tab)Official instructions

Officially linked county property-map resource. This verifies the referral and stated label; interactive layers, parcel results, legal boundaries, buildability and application eligibility are not determined here.

Source & saved evidence

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

Official property-office map referral: Interactive Maps

Interactive Maps

Agent source review: October 26, 2026 · Snapshot 5ebf107059cf3ca1

Address
2550 Ventura Avenue Santa Rosa, CA 95403
Hours
In Person Hours Monday, Tuesday, Thursday 8:00 AM – 4:00 PM Wednesday 10:30 AM – 4:00 PM Friday Closed (More Info)

Contacts & sources

Related services in Sonoma County

Find county GIS and property maps in other counties

All California →

All Sonoma County services and offices → · Report an error on this page