Search Parcel Information
The following search options are available via this page:
Search Assessor's Parcel Information
Provided by the Assessor's Office. Search results include Assessor Parcel Number lookup, basic parcel information, value notices and parcel maps (TIFF format).
Search ParcelQuest for Maps and Recent Sales
Provided by ParcelQuest, a third-party vendor. In addition to basic parcel information, ParcelQuest results include, maps (PDF format), recent sales in the area, transaction history and other data that they gather as part of their service and may offer additional or more detailed information for a fee.
Search ActiveMap for GIS Data
Provided by the Permit and Resource Management Department. Search an interactive map with a large choice of geographic, detailed and general map data for the unincorporated areas of Sonoma County.
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Jurisdiction (unincorporated Sonoma County or incorporated city)
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Zoning and Land Use codes, Groundwater Availability, Supervisorial District, Williamson Act Land Contract, etc. (unincorporated areas only)
Search Assessor's Parcel Information
The Assessment Roll is a public document that lists property values and location information for all taxable real estate, business property and personal property in the county. Information displayed here is current as of the most recently published Assessment Roll and parcel maps are updated monthly.
Since August 2011, all Assessed Value Change Notices and Prop 8 Notices have been available primarily through this website.
Information Available With This Search
- Assessor Parcel Number
- Assessment Roll Data
- Assessed Value Change Notices
- Prop 8 Notices
- Assessor Parcel Maps (PDF format)
Assessor Parcel Number Lookup
Enter the property address or the first part of the address.
Value Change Notices and Prop 8 Notices
Search your property by using either a partial address or parcel number then click the "View/Print Value Notice" link at the top of the property information page to view and/or print your notice.
As a cost savings measure, the Assessed Value Change Notices and Prop 8 Notices will no longer be mailed through the U.S. Postal Services unless specifically requested.
Privacy Notice
To protect your privacy, we do not display party name information in the results of any searches you perform via this web site. California Government Code sections 7928.200 through 7928.230 prohibit the display of home addresses or telephone numbers of any elected or appointed official on the Internet by any state or local agency without first obtaining the written permission of that individual.
To comply with the statute, property searches are allowed by parcel identification numbers and address. Searches by name are not available and the search results will not include owner name. We are sorry for any inconvenience this may cause.
[California Government Code sections 7928.200 through 7928.230]
Disclaimer
This service has been provided to allow easy access and a visual display of County Assessment information. All reasonable effort has been made to ensure the accuracy of the data provided; nevertheless, the data may be out of date and is for assessment purposes only. No liability is assumed for the accuracy of the data. Do not make any business decisions based on this data before validating the data with the Sonoma County Clerk-Recorder-Assessor's Office The County of Sonoma assumes no responsibility arising from use of this information. Associated Data Are Provided Without Warranty of Any Kind, either expressed or implied, including but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
[California Revenue and Taxation Code section 408.3(d)]
Search Assessor's Parcel Information Now
Search ParcelQuest Maps and Recent Sales
Note: This service is provided by ParcelQuest, a third party vendor, and is not owned or operated by the Sonoma County Assessor's Office.
Information Available With This Search
- Property Detail
- Transaction History
- Supplemental Tax Estimator
- Recent Sales
- Property Reports
- Assessor Parcel Maps (PDF format)
Privacy Notice
To protect your privacy, we do not display party name information in the results of any searches you perform via this web site. California Government Code section 6254.21 prohibits the display of home addresses or telephone numbers of any elected or appointed official on the Internet by any state or local agency without first obtaining the written permission of that individual.
[California Government Code section 6254.21]
To comply with the statute, property searches are allowed by parcel identification numbers and address. Searches by name are not available and the search results will not include owner name. We are sorry for any inconvenience this may cause.
Disclaimer
Note: The Parcel Map Search and Recent Sales Search services are provided by a third party and is not maintained or warranted by the County of Sonoma. The maps available through this search were prepared for Assessment purposes only and do not indicate either parcel legality or a valid building site. No liability is assumed for the accuracy of the data provided. The acreages are based on the information supplied to the Assessor (i.e. recorded survey maps, recorded deeds, prior assessment maps, etc.) Assessor's parcels do not necessarily constitute legal lots. To verify legal parcel status, check with the appropriate city or county community development of planning division. The County of Sonoma assumes no responsibility arising from use of this information. The Maps, Recent Sales, and Associated Data Are Provided Without Warranty of Any Kind, either expressed or implied, including but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
Search Active Map GIS Data
ActiveMap is an online Interactive Mapping Application that gives the public access to General Plan Land Use, Zoning and many other land development related data sets for property within unincorporated Sonoma County.
Information Available With This Search
The mapping application has three maps to choose between: Base, Zoning and General Plan. Each map provides different types of geographic data used in land use planning and land development. Users will be able to research many PRMD data sets for properties within unincorporated Sonoma County. This is only a small list of the searchable information. Please see the full list of available data on the ActiveMap page.
- General Plan Land Use
- Zoning
- City Limits
- Floodplains
- Geologic Hazards
- USGS Topographic Quads
- Photos - Color Aerial
Disclaimer
The geographical maps accessed through this web page provide a visual display of data as a public service and should be accessed at the user's own risk. While PRMD strives to provide information of the highest quality, PRMD makes no representations, guarantees, or warranties nor assumes liability for the accuracy, completeness, reliability, suitability, or timeliness of any and all information available through ActiveMap or any site that can be accessed from this application. PRMD does not accept any responsibility or liability for any action taken or omission made as a result of reading, reliance on or any other use of the information provided through the ActiveMap application. Consequently, PRMD is not liable for any loses, damages, costs or expenses resulting directly or indirectly from the use of the ActiveMap application and the information it contains. The information provided through the use of the ActiveMap application does not replace recorded legal documents, nor is it intended as a substitute for specific advice from a licensed expert. Users should not act based on information obtained from ActiveMap without verifying the information with qualified PRMD staff and, as necessary, obtaining professional advice regarding site/parcel specific land development matters.