Sonoma County CA Property Appraiser, Search Your Record Lookup

In Sonoma County California 188,536 parcels, You Can Search Property Record With Parcel number, owner name, or address. If You Want to search With Parcel ID, enter the (example: 2004013020). Get property, tax and owner details.

California State Property Appraiser Search, Access Your Record

California State has more than 12.1 Million parcels, You Can Search Property Record With Parcel number / AIN, ZIP Code, or with address. Example: 2004013020

California Property Search

Zip Code Parcel Number (APN) Assessor ID Roll Year Tax Rate Area Code Property Location Property Use Type Year Built Square Footage Number Of Bedrooms Number Of Bathrooms Number Of Units Land Value Improvement Value Total Value Total Exemption Taxable Value Parcel Legal Description Street City AIN

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County Property News

In Sonoma County, the Sonoma County Assessor oversees fair market valuation for all taxable land and buildings under the Sonoma County Property Search ecosystem. With 188,536 parcels, a 2024 assessment roll of $116.7 Billion, over 75,000 homeowner exemptions, 214,000 matched buildings, 206,000 matched addresses, and approximately 12,000 to 15,000 secondary matched address parcels, the market shows strong stability. Supported by standardized zoning coverage across 100% of parcels and expanding GIS data, Sonoma County continues to demonstrate long term real estate growth and investment potential.

Sonoma County CA ZIP Codes

Search all ZIP codes in Sonoma County California with cities and regions.

Sonoma County, California Property Overview 2026

In Sonoma County, the 2026 property landscape reflects a balanced and steadily evolving real estate market driven by residential demand and long term ownership trends. The county hosts 152,091 residential and 7,600 commercial properties, with single family homes averaging 1,752 sq. ft and around 50 years in age. Year to date residential sales stand at 593, following 5,024 transactions in the past year, while only 0.7% of homes are seriously underwater. With a notable 36.7% share of high value properties, an effective property tax rate of 0.74%, and just 79 foreclosure filings year-to-date, Sonoma County continues to present strong stability and future real estate growth potential.

Residential Properties

152,091

Commercial Properties

7,600

Avg. Home Age Single Family

50 Years

Avg. Square Feet Single Family

1,752 sq. ft

Residential Sales 2026

593 Year to date

Homes Seriously Underwater

0.7%

Residential Sales past year

5,024

Rich Homes percentage

36.7%

Effective 2026 Property Tax

0.74%

Total Foreclosure Filings 

79 Year to date

Top Cities in Sonoma County

In Sonoma County, several cities stand out for their popularity, lifestyle, and long term real estate potential as reflected in county level property trends. Santa Rosa leads as the urban hub with strong infrastructure and services, followed by Petaluma, known for commuter convenience and historic charm. Healdsburg attracts premium buyers with its wine-country appeal. Other notable cities include Rohnert Park, Windsor, and Sebastopol, each offering steady demand, residential value, and promising future growth within the county’s evolving property market.

Santa Rosa City of Sonoma County California

Santa Rosa City 

62,917 Parcels

Petaluma City of Sonoma County California

Petaluma City 

22,996 parcels

Healdsburg City of Sonoma County California
Healdsburg City

6,154 Parcels

Sonoma County CA Property Search Tool Has 4 Best Method

Our Sonoma County Property Search Tool allows you to quickly and easily access property records online for free. Search by owner name, parcel number (APN), property address, or city to instantly view ownership details, tax information, sales history, and comprehensive property data in just a few clicks.

Search By Owner Name

You Can Use Owner name For Property Search In Sonoma County California.

Search By Address

You Can Also search Property Info with address in Sonoma County California.

Search By Parcel PIN

Use Parcel Number For Exact Search In Sonoma County California.

Search By City Name

If You Dont't have any other Option, search With City Name, Use in Address

Sonoma County CA property Search Tool Provide Information

The Sonoma County Property Search Tool provides instant access to complete property information. Easily search by owner name, APN (Assessor’s Parcel Number), or property address to explore ownership details, tax records, assessed values, sales history, and official county data, everything you need for reliable, informed real estate decisions.

Zip Code

The Zip Code identifies the postal area for properties in Sonoma County, supporting demographic analysis, market research, and accurate geographic mapping for property searches.

APN

The APN (Assessor’s Parcel Number) is a unique identifier assigned by the Sonoma County Assessor to track each parcel for property taxes, assessments, and official county records.

Assessor ID

The Assessor ID is used by the Sonoma County Assessor to link properties to official county records, ensuring accurate tracking, tax assessment, and ownership verification across Sonoma County.

Roll Year

The Roll Year indicates the fiscal year of the property’s assessment in Sonoma County, helping track valuation trends and calculate accurate tax obligations under records maintained by the Sonoma County Assessor.

Tax Rate Area Code

The Tax Rate Area Code identifies the local taxing jurisdiction within Sonoma County, determining applicable property tax rates based on city boundaries, school districts, and special districts as managed through county assessment records.

Property Location

The Property Location specifies the physical address or geographic position of a property in Sonoma County, ensuring accurate identification for buyers, researchers, and official county records maintained by the Sonoma County Assessor.

Property Use Type

The Property Use Type indicates how a property is classified in Sonoma County, such as residential, commercial, or industrial, and it plays a key role in determining zoning compliance, taxation, and assessment records managed by the Sonoma County Assessor.

Year Built

The Year Built records when the primary structure was constructed in Sonoma County, and it influences property valuation, insurance considerations, and overall market assessment handled through county records maintained by the Sonoma County Assessor.

Square Footage

The Square Footage represents the total living area of a property in Sonoma County, serving as a key factor in estimating property value, comparing market prices, and planning renovations within county assessment records maintained by the Sonoma County Assessor.

Number of Bedrooms

The Number of Bedrooms indicates the sleeping spaces within a residential property in Sonoma County, supporting buyers, appraisers, and the Sonoma County Assessor in property valuation, comparisons, and overall market analysis.

Number of Bathrooms

The Number of Bathrooms provides essential information for property valuation, functionality, and comparative market analysis in Sonoma County, supporting data used by the Sonoma County Assessor.

Number of Units

The Number of Units specifies how many separate living or commercial spaces exist within a property in Sonoma County, influencing rental income potential, property classification, and taxation considerations managed through county records by the Sonoma County Assessor.

Land Value

The Land Value represents the county-assessed worth of the land alone in Sonoma County, excluding structures, and is used for property tax calculations, assessment purposes, and investment evaluation by the Sonoma County Assessor.

Improvement Value

The Improvement Value measures the assessed value of buildings or structures on a property in Sonoma County, contributing to the total property valuation, market pricing, and tax calculations maintained by the Sonoma County Assessor.

Total Value

The Total Value combines land and improvement values to determine the full assessed worth of a property in Sonoma County, serving as a key metric for property tax calculations, valuation, and investment analysis managed by the Sonoma County Assessor.

Total Exemption

The Total Exemption reflects deductions applied to a property’s taxable value in Sonoma County, such as homeowner exemptions, helping reduce overall tax obligations under guidelines administered by the Sonoma County Assessor.

Taxable Value

The Taxable Value represents the portion of a property’s assessed value in Sonoma County that is subject to taxation after applicable exemptions are applied, as determined through assessment records maintained by the Sonoma County Assessor.

Parcel Legal Description

The Parcel Legal Description provides the official boundary, lot, block, and subdivision details of a property in Sonoma County, serving as a legal reference for surveys, ownership records, and documentation maintained by the Sonoma County Assessor.

Street

The Street field identifies the exact street location of a property in Sonoma County, supporting navigation, mail delivery, and precise property searches within records maintained by the Sonoma County Assessor.

City

The City specifies the municipality where a property is located within Sonoma County, influencing local taxation, zoning regulations, and community governance under records maintained by the Sonoma County Assessor.

Sonoma County Property & Demographic Data (2026)

In Sonoma County, California (2026), millage rates are not used. Under Proposition 13, property taxes are calculated as a percentage of assessed value. The base rate is 1%, while the effective tax rate adjusted for local bonds and districts typically ranges between 1.05% and 1.28%, depending on the city or community.

City / Community Type Total Pop. (Est.) Land Area (Sq Mi) Total Parcels (Est.) Effective Tax Rate Median Tax Bill (Est.)
Santa RosaCity177,00041.50~53,5001.18% - 1.22%$8,200
PetalumaCity59,50014.5021,2001.15% - 1.20%$9,100
Rohnert ParkCity44,2007.0014,8001.20% - 1.26%$7,400
WindsorTown26,2007.309,1001.15% - 1.20%$8,500
HealdsburgCity11,2004.404,8001.12% - 1.18%$10,500
SonomaCity10,6002.705,1001.10% - 1.15%$9,800
CloverdaleCity8,9003.103,4001.18% - 1.24%$6,200
SebastopolCity7,4001.903,2001.15% - 1.20%$9,400
CotatiCity7,5001.902,8001.22% - 1.28%$7,800
Boyes Hot SpringsCDP6,5001.102,4001.12% - 1.18%$7,200
GuernevilleCDP4,6009.803,1001.10% - 1.15%$5,400
The Sea RanchCDP1,30016.102,3001.05% - 1.10%$9,200
ForestvilleCDP3,3005.201,8501.12% - 1.16%$7,900
Bodega BayCDP1,00012.501,4001.08% - 1.12%$11,500
Glen EllenCDP7502.106501.10% - 1.15%$12,000
GeyservilleCDP8504.605801.12% - 1.16%$8,500
KenwoodCDP1,0005.207201.10% - 1.15%$13,000
OccidentalCDP1,1005.006801.10% - 1.14%$9,500
GratonCDP1,7001.606201.14% - 1.18%$8,100
PenngroveCDP8004.004501.12% - 1.18%$8,800
Monte RioCDP1,1002.001,1001.10% - 1.15%$5,100
CazaderoUninc.400N/A4801.05% - 1.10%$4,800
BodegaUninc.200N/A1501.08% - 1.12%$8,200
JennerUninc.150N/A2401.05% - 1.10%$9,000
FultonUninc.500N/A3101.15% - 1.20%$6,900
Camp MeekerUninc.450N/A4001.10% - 1.15%$4,500
Valley FordUninc.150N/A1101.05% - 1.10%$7,500
Villa GrandeUninc.200N/A2201.10% - 1.15%$5,200
AnnapolisUninc.100N/A951.05% - 1.08%$14,000
Stewarts PointUninc.50N/A451.05% - 1.08%$12,500
Calistoga (Part)*City5,3002.60201.10% - 1.15%N/A

FAQs

How does Sonoma County property search work?

The tool allows users to search parcels using APN, address, or Assessor ID to access property details, ownership records, assessed values, and tax-related information in Sonoma County.

Users can view parcel details such as land value, improvement value, total assessed value, property use type, square footage, and tax-related data maintained by the Sonoma County Assessor.

Yes, the data is updated based on assessment roll cycles and official county records, ensuring accurate and up-to-date property information for Sonoma County.

Yes, you can search using street address, city, or parcel details. The tool supports multiple search methods for user convenience and better accessibility.

Absolutely. It helps buyers, investors, and researchers analyze market trends, compare property values, estimate taxes, and identify opportunities across Sonoma County’s real estate market.

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