Free Alameda County California Property Records Search
Enter an owner name, property address, APN (Assessor’s Parcel Number), ZIP code, or city name to search California property records for free with CA Property Checker. Instantly access ownership details, property tax records, assessed values, sales history, parcel information, and other publicly available property data in one place.
Total Cities
14
Total Parcels
430,000
Median Home Value
$1.2M+
Data Updated
August 2026
Alameda County Property Tax, Maps & Real Estate Resources
Tax Calculator
Estimate your Alameda County property taxes using current assessment values and official tax rates with our easy-to-use calculator.
Tax Rate
View the latest Alameda County property tax rates, special assessments, and local district tax information for accurate tax planning.
Zoning & Maps
Explore zoning classifications, parcel boundaries, GIS maps, flood zones, and land use information to better understand any property.
Real Estate Updates
Stay informed with the latest housing market trends, median home prices, property sales, market insights, and real estate news.
Alameda County California Property Appraiser
The Alameda County Assessor’s Office provides accurate property assessment services by maintaining ownership records, assigning assessed values, managing parcel information, and supporting fair property taxation. Property owners can use public records to review APN details, property characteristics, assessment history, and exemption information.
What appraiser do
The Alameda County Assessor evaluates real estate values, updates property records, and ensures assessment data remains accurate for taxation and public property information.
- Determines property assessed values
- Maintains APN and parcel records
- Updates ownership information
- Reviews property tax exemptions
- Provides assessment history details
- Maintains property maps and records
- Supports public property record searches

- (510) 272-3787
- AssessorWebResponse@acgov.org
- (800) 660-7725
Alameda County Real Estate Market Trends (2025–2026)
If we look at Alameda County’s overall property market from 2025 through 2026, home prices generally remained strong, sales activity improved during peak months, lending volumes increased, and foreclosure activity rose gradually while staying relatively moderate overall.
Alameda County Housing Market Trends (2025–2026)
The chart highlights how home prices, lending activity, sales volume, and foreclosure trends shifted across Alameda County between 2025 and 2026.
Median Home Prices Continued to Reach New Highs
Median home prices remained strong throughout the period, rising from $1,150,000 in January 2025 to a peak of $1,400,000 in May 2026 before easing slightly to $1,325,000 in June 2026.
Buyers Needed Larger Down Payments
Median down payments reflected rising home values, increasing from $230,000 in January 2025 to $280,000 in May 2026, before settling at $265,000 in June 2026, showing continued affordability challenges.
Home Sales Remained Strong Throughout Spring
Home sales climbed from 585 properties in January 2025 to 980 in June 2025, reaching a period high of 1,014 in May 2026 before recording 995 sales in June 2026.
Purchase and Refinance Loans Followed Different Trends
Purchase loans increased from 456 to 791 between January 2025 and May 2026, while refinance loans steadily rose from 290 to 580 by March 2026 before moderating to 515.
HELOC Activity Reflected Growing Home Equity
HELOC loan activity rose from 380 in January 2025 to 555 in May 2026, reflecting stronger homeowner equity usage, before experiencing a slight decline to 540 in June 2026.
Foreclosure Filings and Starts Increased Gradually
Foreclosure filings increased from 115 to 168, while foreclosure starts rose from 68 to 101 between January 2025 and April 2026, before both recorded modest declines by June 2026.
Completed Foreclosures Stayed Relatively Low
Completed foreclosures remained comparatively low despite gradual increases, rising from 18 in January 2025 to 36 in April 2026, then easing slightly to 32 by June 2026.
How to Search Alameda County Property Records
Finding property records is simple with California Property Checker. Use any of the search options below to access ownership details, tax records, parcel information, sales history, assessed values, and other publicly available property data for Alameda County.
Enter the property owner’s first or last name into the search box and click Search. Our tool will match available public records and display properties associated with that owner in Alameda County. This method is useful when you know the owner’s name but don’t have the property address or APN.
If you know the property’s street address, enter it into the address search field. The tool will locate the matching property record and provide details such as ownership information, assessed value, parcel data, tax records, sales history, and property characteristics.
Enter the property’s Assessor’s Parcel Number (APN) to find an exact property match. Since every parcel has a unique APN, this is the most accurate way to access ownership records, assessment details, tax information, parcel boundaries, and other public property data.
Type a ZIP code to narrow your search to properties within a specific postal area. This feature makes it easier to review nearby properties, compare assessments, and find ownership and tax records for a particular location.
Select or enter a city within Alameda County to browse properties in that area. This option is helpful when researching neighborhoods, comparing properties, or exploring available public records without knowing a specific owner or property address.
Use Advanced Search to apply multiple filters and quickly find properties that match your requirements. Filter results by property type, number of bedrooms, bathrooms, buildings, apartments, lot size, square footage, year built, assessed value, and many other criteria to locate the most relevant property records efficiently.
What You’ll Find After Your Property Search
Every search provides detailed public property information collected from official county records. Depending on the property, you can view ownership, assessment, tax, parcel, building, and location details to better understand the property’s history and current characteristics.
Property Identification
Quickly verify the property’s official identity using unique county assessment records.
- Assessor's Parcel Number (APN)
- Assessor ID
- Roll Year
- Property Classification
- Property Use Type
- Property Use Code
Location & Parcel Details
View essential location details and parcel information for accurate property identification.
- Property Address
- City and ZIP Code
- Tax Rate Area
- Parcel Legal Description
- Latitude & Longitude
- Region and Cluster Codes
Building Information
Explore physical property features and residential building characteristics in one place.
- Year Built
- Effective Year
- Square Footage
- Number of Buildings
- Bedrooms & Bathrooms
- Total Residential Units
Property Assessment
Review assessed values used to calculate taxable property value and annual taxes.
- Land Value
- Improvement Value
- Total Assessed Value
- Taxable Value
- Base Year Values
- Assessment Exemptions
Tax & Exemption Records
Access available tax-related information and property exemption details from public records.
- Homeowners' Exemption
- Real Estate Exemption
- Fixture Exemption
- Personal Property Exemption
- Taxable Property Status
- Total Exemption Amount
Additional Public Records
Find supporting public records that provide additional property and assessment information.
- Recording Date
- Property Location
- Land & Improvement History
- Address Components
- Parcel Reference Data
- Public Assessment Records
Alameda County Property Search Tool Covers All Cities and Communities
Our Alameda County Property Search tool helps you find public property records across every incorporated city and local community. Search by owner name, address, APN, ZIP code, or city to access accurate property information from one convenient location.
Alameda
Albany
Berkeley
Dublin
Emeryville
Fremont
Hayward
Livermore
Newark
Oakland
Piedmont
Pleasanton
San Leandro
Union City
Nearby Counties You Can Search
Explore property records in counties surrounding Alameda County using California Property Checker. Search by owner name, address, APN, ZIP code, or city to access accurate public property records across nearby California counties.
Alameda County California Property & Real Estate Information
Key facts about Alameda County, including property records, parcel data, population, tax information, assessment details, and real estate insights to better understand the local property market before searching public records.
| Property & County Information | Alameda County Details |
|---|---|
| County | Alameda County |
| State | California (CA) |
| County Seat | Oakland |
| Incorporated Cities | 14 Cities |
| Population | Approximately 1.68 Million Residents |
| Total Parcels | Approximately 430,000 Parcels |
| Median Home Value | Approximately $1.0 Million |
| Median Property Tax Rate | Approximately 1.18% (Base Rate Before Local Assessments) |
| Primary Property Types | Single-Family, Condominium, Multi-Family, Commercial, Industrial & Vacant Land |
| School Districts | Multiple Public School Districts Across Alameda County |
| Time Zone | Pacific Time (PT) |
| Flood Zone Information | Available Through FEMA Flood Map Service |
| Property Search Options | Owner Name, Property Address, APN, ZIP Code, City & Advanced Search |
| Property Records Available | Ownership, Tax Records, Assessed Value, Sales History, Parcel Data & Maps |
| Official Assessor | Alameda County Assessor – Phong La |
| Official Records Source | Alameda County Assessor's Office |
| Assessment Standard | California Proposition 13 Assessment System |
| GIS & Parcel Maps | Available Through Official Alameda County GIS Services |
FAQ's
How can I get a copy of my property deed in Alameda County?
You can obtain a copy of your recorded property deed through the Alameda County Clerk-Recorder. Deeds are available for properties with recorded ownership documents and may be requested online, by mail, or in person.
How do I change the mailing address for my Alameda County property tax bill?
Property owners can submit a mailing address change request through the appropriate Alameda County office. Updating your mailing address helps ensure future assessment notices and property tax bills are delivered correctly.
What is a supplemental property tax assessment in Alameda County?
A supplemental assessment may be issued after a property changes ownership or new construction is completed. It reflects the difference between the previous assessed value and the property’s newly assessed value.
Can I appeal my Alameda County property assessment?
Yes. If you believe your property’s assessed value is incorrect, you may file an assessment appeal during the official filing period. Supporting evidence such as comparable property sales can strengthen your appeal.
Are Alameda County parcel maps legal property boundary surveys?
No. Assessor parcel maps are created for property assessment purposes only. They should not be used as legal surveys or to resolve property boundary disputes.
How do I find recorded liens or mortgages on an Alameda County property?
Recorded liens, mortgages, and other real estate documents can be searched through the Alameda County Clerk-Recorder’s public records index. Some document images may only be available for viewing at county offices.
What should I do if I think my property tax bill is incorrect?
Review your assessment details first, then contact the appropriate Alameda County office if you believe your tax bill contains an error. Depending on the issue, you may also qualify to request a review or appeal.
What happens if I miss my Alameda County property tax payment?
Late property tax payments may result in penalties, interest, and additional collection charges. If taxes remain unpaid for an extended period, the property may eventually become subject to the county’s tax-default process.
Can I view historical property records in Alameda County?
Yes. Alameda County maintains historical recorded property documents dating back many years. Older records may require additional research or an in-person request, while newer records are available through the county’s public records index.
Does California Property Checker replace official Alameda County records?
No. California Property Checker is designed to help you quickly search publicly available property information. For certified records, legal filings, or official recorded documents, you should always use the appropriate Alameda County office.