Median estimated market value for properties in this county.
AssessorSearch county dataAlameda County, CA
Alameda 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 Alameda County, California. Search an address or APN, then jump to official county sources or property tax and value data.
Search a Alameda County address or APN
Official sources
Alameda 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 | Alameda County Assessor Property Searchpropinfo.acgov.org |
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| Deeds and recorded documents | Alameda County Clerk-Recorder Real Property Recordsauditor.alamedacountyca.gov/clerk-recorder-real-property-recording/ |
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| Property taxes | Alameda County Treasurer-Tax Collectorpropertytax.alamedacountyca.gov |
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| GIS and parcel maps | Alameda County Assessor Parcel Viewerwww.acassessor.org/homeowners/parcel-viewer/ |
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| Permits and building records | Alameda County Permit Portalpermit.acgov.org |
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| Zoning and land use | Alameda County Zoning Vieweraccda.maps.arcgis.com/apps/webappviewer/index.html |
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County data
Alameda 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 |
|---|---|---|---|---|
| Oakland | $768,545 | $481,399 | 1.00% | $8,051 |
| Fremont | $1,491,994 | $721,615 | 0.61% | $8,783 |
| Hayward | $840,369 | $503,941 | 0.73% | $6,298 |
| Livermore | $1,112,892 | $691,638 | 0.77% | $8,868 |
| Berkeley | $1,490,528 | $674,253 | 0.85% | $11,935 |
| Pleasanton | $1,548,414 | $891,307 | 0.71% | $10,306 |
| San Leandro | $828,076 | $467,898 | 0.77% | $6,409 |
| Dublin | $1,302,279 | $928,053 | 0.92% | $12,622 |
| Castro Valley | $1,116,127 | $612,069 | 0.73% | $7,926 |
| Alameda | $1,204,532 | $678,221 | 0.87% | $10,116 |
FAQ
Alameda County property records FAQ
Common questions about assessor, deed, tax, GIS, and permit records.
Where can I search Alameda County property records by address?
Use the official Alameda County Assessor Property Search to search Alameda County property records by address or parcel number. Use AssessorSearch property search as a free, easy-to-use option to search Alameda County by address or APN.
How do I find the owners of Alameda County properties?
Use the official Alameda County Assessor Property 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 Alameda County properties by address or APN.
Where can I verify assessed value in Alameda County?
Use the official Alameda County Assessor Property Search for assessed values, parcel details, exemptions, and property characteristics when those records are available online.
Where can I look up Alameda County property tax bills or payments?
Use the official Alameda County Treasurer-Tax Collector for property tax bills, payment history, due dates, or tax collector records.
Where can I find deeds or recorded documents in Alameda County?
Use the official Alameda County Clerk-Recorder Real Property Records 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 Alameda County?
Use the official Alameda County Assessor Parcel Viewer 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 Alameda County?
Use Alameda County Permit Portal for permits and Alameda County Zoning Viewer for zoning or land-use records. City properties may require city-specific permit or planning portals.
Can I build a list of Alameda County property owners?
Use Affix by AssessorSearch for county property owner lists, filters, exports, skip tracing, and outreach workflows.
Related counties
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Use related county pages when researching nearby property records or comparing official source patterns.