Contra Costa County CA Property Appraiser, Search Your Record Lookup

In Contra Costa County California 375,000 parcels, You Can Search Property Record With Parcel number, owner name, or address. If You Want to search With Parcel ID, enter the  with spaces (example: 17 31 18 35514 000 0260). 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

Contra Costa County’s Assessor’s Office manages 375,000 parcels, including 348,000 homes and 14,500 commercial properties. With 415,000 building footprints, 438,000 primary addresses, and standardized zoning across 19 cities, the office ensures accurate property data and assessments.

Contra Costa County California Property Overview – 2026

Contra Costa County has 352,927 total properties, including 10,203 commercial properties. The average single-family home is about 50 years old with 2,038 sq. ft. of living space. In 2026, the county recorded 1,382 residential sales year-to-date and 11,638 sales in the past year. The effective property tax rate is 0.81%, with 273 foreclosure filings in 2025, while 0.83% of homes remain seriously underwater.

Residential Properties

352,927 

Commercial Properties

14,500

Avg. Home Age Single Family

50 Years

Avg. Square Feet Single Family

2,038 sq. ft

Residential Sales 2026

1,382 Year to date

Homes Seriously Underwater

0.83%

Residential Sales past year

11,638

Rich Homes percentage

47.3%

Effective 2025-2026 Property Tax

0.81%

Total Foreclosure Filings 2025

273 Year to date

Top Cities in Contra Costa County

In Contra Costa County, top cities include Concord, Walnut Creek, and San Ramon. Concord is the largest city with strong transit access, Walnut Creek is known for upscale shopping and vibrant downtown, while San Ramon offers excellent schools and family-friendly neighborhoods, making them highly desirable places to live and invest in property.

Concord City County of California

Concord City 

35,420 Parcels

Walnut Creek City County of California

Walnut Creek City 

12,110 parcels

San Ramon City County of California
San Ramon City 

4,560 Parcels

Contra Costa CA Property Search Tool Has 4 Best Method

Our Contra Costa County, California Property Search Tool makes it easy to access property records online, for free. You can search by owner name, parcel number (PIN), property address, or city name (just enter the city in the address field). Instantly view ownership details, tax records, sales history, and complete property information with just a few clicks.

Search By Owner Name

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

Search By Address

You Can Also search Property Info with address inContra Costa County, California.

Search By Parcel PIN

Use Parcel Number For Exact Search In Contra Costa County, California.

Search By City Name

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

Contra Costa County, CA property Search Tool Provide Information

Our Contra Costa County, California Property Search Tool helps you quickly access detailed property information across the county. Search by owner name, parcel number (APN), or property address to view ownership records, property details, tax assessments, land values, and official county data—giving you reliable insights for accurate real estate research and property verification in Contra Costa County.

Parcel Number

The Parcel Number (APN or Parcel ID) is a unique identifier assigned by the Assessor in Contra Costa County for tracking property records, taxes, and assessments. It is the most accurate way to locate a specific property, ensuring you access the exact parcel record without confusion from similar addresses or owner names.

Owner Name

The Owner Name field displays the legally recorded property owner according to public records in Contra Costa County. It helps verify ownership, confirm title details, and identify responsible parties for property taxes, assessments, or legal matters, providing accurate and reliable information for real estate research.

Property Address

The Property Address shows the physical location of a property in Contra Costa County. It ensures precise property identification, supports mailing and legal verification, and provides accurate search results, making it an essential tool for buyers, researchers, and real estate professionals.

Tax District

The Tax District identifies the local taxing authority for a property in Contra Costa County. It determines the applicable tax rates, assessments, and jurisdiction-specific property taxes, helping property owners understand their annual tax obligations accurately.

Property Use Code

The Property Use Code indicates how a property in Contra Costa County is classified—whether residential, commercial, or vacant land. This classification influences property taxes, zoning regulations, and market value assessments, providing essential information for buyers, investors, and real estate research.

Legal Description

The Legal Description provides the officially recorded subdivision, lot, and block details for a property in Contra Costa County. It is crucial for legal documents, title verification, and accurately identifying property boundaries, ensuring precise and reliable property records.

Tax Book

The Tax Book refers to the official county record in Contra Costa County where property tax information is maintained. It helps track historical tax records, verify past assessments, and provides a reliable reference for property research and tax-related inquiries.

Tax Page

The Tax Page indicates the specific page in Contra Costa County tax records where a property is listed. This allows quick referencing for legal, professional, or research purposes, ensuring efficient access to official property tax information.

Annual Property Taxes

This section shows the total assessed property taxes for a property in Contra Costa County. It helps homeowners, investors, and prospective buyers understand the annual financial obligations associated with the property, supporting informed real estate and investment decisions.

ZIP Code

The ZIP Code identifies the postal area for a property in Contra Costa County. It supports demographic analysis, market research, and accurate geographic identification, helping buyers, investors, and researchers gain precise insights about the property’s location.

Owner City

The Owner City shows the registered city of a property owner’s mailing address in Contra Costa County. It helps identify whether a property is owner-occupied or investor-owned, providing valuable insights for real estate research and market analysis.

Property City

The Property City identifies the municipality where a property is physically located in Contra Costa County. This information affects local zoning, property taxes, and community regulations, helping buyers, investors, and researchers understand applicable rules and obligations.

Land Value

Land Value represents the county-assessed value of the land only, excluding any buildings or improvements, for properties in Contra Costa County. It is essential for calculating property taxes, evaluating investment potential, and understanding the intrinsic worth of the land itself.

Taxable Value

Taxable Value reflects the portion of a property’s assessed value in Contra Costa County that is subject to taxation after applying exemptions. It directly determines the property’s annual tax liability, helping owners, investors, and buyers understand their financial obligations.

Stated Area (Acres)

Stated Area shows the total land size in acres for a property in Contra Costa County. It helps buyers, developers, and investors assess lot dimensions, development potential, and the overall scale of the property for informed decision-making.

Contra Costa County Property Tax & Demographic Data

Contra Costa County city-level property and tax data, including estimated parcels, population, land area, effective tax rates (millage equivalent), and median tax bills. This provides a clear snapshot of real estate distribution, local taxation, and financial obligations across the county.

City Name Total Parcels (Est.) Total Population Area (Sq Mi) Tax Rate (Millage Equivalent) Median Tax Bill (Est.)
Concord38,500125,26030.511.2 – 11.8$5,800
Richmond34,200116,06152.512.5 – 13.8$5,200
Antioch33,100115,64129.112.0 – 13.2$5,400
San Ramon24,80084,37618.711.0 – 11.5$10,800
Walnut Creek22,40070,55019.811.1 – 11.6$9,200
Pittsburg21,50076,76519.112.5 – 14.2$5,100
Brentwood20,20064,60714.911.5 – 12.5$7,800
Danville15,60043,50318.011.0 – 11.4$12,500
Oakley13,80044,16416.111.8 – 12.8$5,900
Martinez13,20037,12813.111.5 – 12.2$6,400
Pleasant Hill11,40034,4007.111.2 – 11.8$7,100
San Pablo7,10031,8002.613.5 – 14.8$4,100
Lafayette9,80025,30015.211.1 – 11.5$13,200
Hercules8,20026,10018.212.5 – 13.5$7,400
Orinda7,40019,50012.711.2 – 11.6$14,100
El Cerrito8,50025,8003.712.8 – 13.5$8,500
Pinole6,80019,10013.212.2 – 13.0$5,800
Moraga6,10016,9009.411.1 – 11.4$11,900
Clayton4,20011,1003.811.2 – 11.7$9,400

Unincorporated Contra Costa County Data (2025–2026)

Community Total Parcels (Est.) Population (Est.) Land Area (Sq Mi) Tax Rate (Millage Equivalent) Median Tax Bill (Est.)
Discovery Bay6,50015,3006.211.8 – 13.5$9,200
El Sobrante5,80015,6002.812.2 – 13.2$6,400
Alamo5,40014,8009.710.8 – 11.2$16,500
Bay Point7,20023,8007.412.5 – 13.8$4,100
Kensington2,4005,1001.013.5 – 15.2$11,200
North Richmond1,2003,8001.613.8 – 14.5$3,500

FAQs

What details can I access with the Contra Costa County Property Search?

You can view property ownership, assessed values, tax information, parcel details, land size, zoning, and legal descriptions for any property in the county.

Search by owner name, parcel number (APN), or property address to quickly access complete property records and assessment data.

Yes, the tool provides publicly accessible property records at no cost for residents, buyers, and real estate professionals.

Data is updated regularly based on the Contra Costa County Assessor’s records, ensuring recent ownership, tax, and parcel information is included.

The tool is intended for research and informational purposes. While it provides reliable property and tax data, always cross-check with official county records for legal, financial, or official real estate actions.

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