Median estimated market value for properties in this county.
AssessorSearch county dataSonoma County, CA
Sonoma County, CA assessor property search and records
Use this county guide to find official assessor property search resources, recorder and deed links, tax records, GIS parcel maps, permits, and property data insights for Sonoma County, California. Search an address or APN, then jump to official county sources or property tax and value data.
Search a Sonoma County address or APN
Official sources
Sonoma County assessor, recorder, tax, and parcel map sources
Use this table to find the official county source for assessor property search, recorded documents, property tax, GIS parcel maps, permits, and zoning records.
| Record type | Official source | Notes |
|---|---|---|
| Assessed values | Sonoma County Assessor Parcel Searchsonomacounty.gov/administrative-support-and-fiscal-services/clerk-recorder-assessor/assessor/real-property/search-parcel-info |
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| Deeds and recorded documents | Sonoma County Clerk-Recorder Self-Service Portalcrarecords.sonomacounty.ca.gov/Web/ |
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| Property taxes | Sonoma County Property Tax Payment Portalsonomacounty.gov/acttc/pay-your-property-tax-bill-online |
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| GIS and parcel maps | Sonoma County GIS Hubgis-sonomacounty.hub.arcgis.com |
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| Permits and building records | Permit Sonoma Record Searchparcelsearch.permitsonoma.org/PermitSearch |
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| Zoning and land use | Sonoma County Zoning & Land Use Mapsonomacounty.maps.arcgis.com/apps/webappviewer/index.html |
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County data
Sonoma County tax rates and property values
County and city-level rollups from AssessorSearch indexed property data. Use these values as directional context, then verify parcel-specific details with the official county sources above.
Median assessed value from county assessment records when available.
AssessorSearch county dataMedian annual property tax amount from indexed tax records when available.
AssessorSearch county dataMedian effective property tax rate calculated from annual tax and value fields.
AssessorSearch county dataCity property data
Top city rollups for estimated value, assessed value, property tax rate, and tax amount.
| City | Median estimated value | Median assessed value | Median effective property tax rate | Median tax amount |
|---|---|---|---|---|
| Santa Rosa | $716,028 | $485,889 | 0.81% | $5,758 |
| Petaluma | $880,565 | $547,619 | 0.69% | $6,325 |
| Rohnert Park | $701,205 | $426,217 | 0.82% | $4,993 |
| Sonoma | $912,132 | $617,997 | 0.92% | $8,620 |
| Sebastopol | $1,073,751 | $578,039 | 0.62% | $7,022 |
| Windsor | $816,832 | $544,490 | 0.80% | $6,643 |
| Healdsburg | $1,022,242 | $614,787 | 0.73% | $7,301 |
| Guerneville | $562,145 | $356,511 | 1.18% | $6,553 |
| Cloverdale | $632,297 | $443,615 | 0.86% | $5,602 |
| Forestville | $611,290 | $384,948 | 0.80% | $5,177 |
FAQ
Sonoma County property records FAQ
Common questions about assessor, deed, tax, GIS, and permit records.
Where can I search Sonoma County property records by address?
Use the official Sonoma County Assessor Parcel Search to search Sonoma County property records by address or parcel number. Use AssessorSearch property search as a free, easy-to-use option to search Sonoma County by address or APN.
How do I find the owners of Sonoma County properties?
Use the official Sonoma County Assessor Parcel Search for county ownership and parcel records when owner names are available online. Use AssessorSearch property search as a free, easy-to-use option to look up Sonoma County properties by address or APN.
Where can I verify assessed value in Sonoma County?
Use the official Sonoma County Assessor Parcel Search for assessed values, parcel details, exemptions, and property characteristics when those records are available online.
Where can I look up Sonoma County property tax bills or payments?
Use the official Sonoma County Property Tax Payment Portal for property tax bills, payment history, due dates, or tax collector records.
Where can I find deeds or recorded documents in Sonoma County?
Use the official Sonoma County Clerk-Recorder Self-Service Portal for deeds, mortgages, liens, plats, and other recorded documents. These records are usually separate from assessor property-value records.
Where can I view parcel maps or GIS data in Sonoma County?
Use the official Sonoma County GIS Hub for parcel maps, map layers, boundaries, and GIS context. GIS maps should be treated as reference tools, not legal surveys.
Where can I search permits or zoning in Sonoma County?
Use Permit Sonoma Record Search for permits and Sonoma County Zoning & Land Use Map for zoning or land-use records. City properties may require city-specific permit or planning portals.
Can I build a list of Sonoma County property owners?
Use Affix by AssessorSearch for county property owner lists, filters, exports, skip tracing, and outreach workflows.
Related counties
More California property records
Use related county pages when researching nearby property records or comparing official source patterns.