- Contra Costa County, California Home Page
County Inforeport
General information about Contra Costa County
Population: 1,009,144
Area: 720 sq. miles
County Seat: Martinez
Area Code(s): 510 925
Time Zone: Pacific
- California Court Records and other Resources
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Links to state and local court records, general California court information, directory of courts, and online resources for courts in California.
- Court Directory and Court Records Info
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Directory of court locations in Contra Costa County, California. Includes local links to searching court records, dockets, legal research, self help, and more.
Property Search and Mapping
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Search interactive Contra Costa GIS map for property assessment records. Search by parcel number or address. Map also includes aerial imagery, general plan, zoning, creeks, school and fire station locations.
Assessor
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Contra Costa County Assessor
2530 Arnold Drive, Suite 100, Martinez, CA 94553
Phone: (925) 313-7400 Fax: (925) 313-7488
- Property Tax Payment History
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Search for current or prior fiscal year Contra Costa County property tax billing and payment records by parcel number or address.
- Birth, Death and Marriage Records
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View information about ordering Contra Costa County birth, death, and marriage certificates in person, by mail, or online.
- Fictitious Business Names
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Search for Contra Costa County fictitious business names by business name, owner name, or file number.
- Business Licenses
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View information about obtaining a Contra Costa County business license.
- Contra Costa County census information summary
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Contra Costa County statistics for population, ethnicity, housing, geography and businesses. From the U.S. Census Bureau.
- Crime Mapping
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Search this Contra Costa Times' crime incident map by location and date range.
- Department Directory
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View Contra Costa County department phone directory by subject or department.
- Public Auction Tax Sale
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View information about bidding at the Contra Costa County annual tax sale auction.
- Delinquent Taxes and Tax Sales
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Contra Costa County Treasurer and Tax Collector
Contra Costa County Finance Building, Suite 100
625 Court Street, Martinez, CA 94553
Phone: (925) 957-5280 or (877) 957-5280 Fax: (925) 957-2898
- Public Tax Auction
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View current list of Contra Costa County tax defaulted properties available for auction.
- Properties In Tax Default
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View list of Contra Costa County properties in tax default.
- Naturalization Records
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View Contra Costa Historical Society's index of naturalization records from 1850 to the 1980s. The names are organized alphabetically. Photocopies of the naturalization documents can be purchased for a fee.
- Genealogy Research
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View information about requesting genealogy research from the Contra Costa County Library as well as links to local genealogical and historical resources.
Inmate Search
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Search Contra Costa County inmate records through Vinelink. Search by agency and offender ID or name. Details include offender name, date of birth, offender ID, custody status, reporting agency, current location, and scheduled release date.
- Government Jobs
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View Contra Costa government job openings and apply online.
- County Code
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Search or view Contra Costa County code of ordinances, codified through ordinance number 2013-05, passed January 22, 2013.
- Marriage Licenses
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View requirements for obtaining a Contra Costa County marriage license including online application form.
- Restaurant Inspections
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Search for Contra Costa County restaurant inspection scores by food facility name or location.
- Building Permit and Planning Application Search
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Search for Contra Costa County building permit and planning applications, plan review status, inspection history, and status history.
- Food Facility Plan Status
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Search Contra Costa County food facility plan review status by service request number, project name, or project location.
- Sex Offender Registry
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Search and map sex offenders in any California County. Details include offender name, photo, address, known aliases, physical description, date of birth, offenses, and risk assessment.
- Registered Sex Offenders
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Search for registered sex offenders living in Contra Costa County by city, address or name. Details include name, photo, aliases, registration number, physical description, address, offenses, and conviction dates.
- Meeting Agendas and Videos
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View Contra Costa Board of Supervisors meeting agendas and videos from 2000 to present.
- Bidding Opportunities
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View Contra Costa County bidding opportunities with free registration.
- Public Employee Salaries
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Search this Contra Costa Times database of Contra Costa County public salaries by entity or individual name.
- Unclaimed Property
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View current list of Contra Costa County absent heirs or claimants as well as claim information.
- Voter and Election Information
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View information about Contra Costa County voter registration, voting by mail, military and overseas voters, and upcoming elections.
- Election Results
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View Contra Costa County election results from 1997 to present.
- Precinct Locator
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Search for Contra Costa County voting precinct locations by address.
- Voter Lookup
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Search for Contra Costa County registered voter or absentee ballot status by date of birth and address. Search for provisional ballot status by provisional ballot or receipt number.
- Campaign Finance Documents Search
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Search Contra Costa County campaign finance documents by by filers name, candidates last name, ballot item, election, jurisdiction, district, or filed form.
- Provisional Voting Status for Past Elections
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View Contra Costa County provisional ballot status results from 2004 through 2008.
- Candidate Statements and Ballot Measures
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View Contra Costa County candidate statements and ballot measures from 2006 to present.
