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This page lists public record sources in Contra Costa County, California. Additional resources can be found on our California State Public Records page, on city pages, and on topic pages.
Contra Costa County, California - Free Public Records Directory
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County InfoContra Costa County, California Home Page
General information about Contra Costa County
Area: 720 sq. miles
County Seat: Martinez
Area Code(s): 510 925
Time Zone: Pacific
Free SearchCalifornia Court Records and other Resources
Links to state and local court records, general California court information, directory of courts, and online resources for courts in California.
Free SearchCourt Directory and Court Records Info
Directory of court locations in Contra Costa County, California. Includes local links to searching court records, dockets, legal research, self help, and more.
Free SearchProperty Tax Payment History
Search for current or prior fiscal year Contra Costa County property tax billing and payment records by parcel number or address.
Contact InfoBirth, Death and Marriage Records
View information about ordering Contra Costa County birth, death, and marriage certificates in person, by mail, or online.
Free SearchFictitious Business Names
Search for Contra Costa County fictitious business names by business name, owner name, or file number.
Contact InfoBusiness Licenses
View information about obtaining a Contra Costa County business license.
Free SearchContra Costa County census information summary
Contra Costa County statistics for population, ethnicity, housing, geography and businesses. From the U.S. Census Bureau.
Free SearchCrime Mapping
Search this Contra Costa Times' crime incident map by location and date range.
Free SearchDepartment Directory
View Contra Costa County department phone directory by subject or department.
Contact InfoPublic Auction Tax Sale
View information about bidding at the Contra Costa County annual tax sale auction.
Contact InfoDelinquent Taxes and Tax Sales
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
Free SearchPublic Tax Auction
View current list of Contra Costa County tax defaulted properties available for auction.
Free SearchProperties In Tax Default
View list of Contra Costa County properties in tax default.
Free SearchNaturalization Records
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.
Contact InfoGenealogy Research
View information about requesting genealogy research from the Contra Costa County Library as well as links to local genealogical and historical resources.
Free SearchGovernment Jobs
View Contra Costa government job openings and apply online.
Free SearchCounty Code
Search or view Contra Costa County code of ordinances, codified through ordinance number 2013-05, passed January 22, 2013.
Contact InfoMarriage Licenses
View requirements for obtaining a Contra Costa County marriage license including online application form.
Free SearchRestaurant Inspections
Search for Contra Costa County restaurant inspection scores by food facility name or location.
Free SearchBuilding Permit and Planning Application Search
Search for Contra Costa County building permit and planning applications, plan review status, inspection history, and status history.
Free SearchFood Facility Plan Status
Search Contra Costa County food facility plan review status by service request number, project name, or project location.
Free SearchSex Offender Registry
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.
Free SearchRegistered Sex Offenders
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.
Free SearchMeeting Agendas and Videos
View Contra Costa Board of Supervisors meeting agendas and videos from 2000 to present.
Free SearchBidding Opportunities
View Contra Costa County bidding opportunities with free registration.
Free SearchPublic Employee Salaries
Search this Contra Costa Times database of Contra Costa County public salaries by entity or individual name.
Free SearchUnclaimed Property
View current list of Contra Costa County absent heirs or claimants as well as claim information.
Contact InfoVoter and Election Information
View information about Contra Costa County voter registration, voting by mail, military and overseas voters, and upcoming elections.
Free SearchElection Results
View Contra Costa County election results from 1997 to present.
Free SearchPrecinct Locator
Search for Contra Costa County voting precinct locations by address.
Free SearchVoter Lookup
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.
Free SearchCampaign Finance Documents Search
Search Contra Costa County campaign finance documents by by filers name, candidates last name, ballot item, election, jurisdiction, district, or filed form.
Free SearchProvisional Voting Status for Past Elections
View Contra Costa County provisional ballot status results from 2004 through 2008.
Free SearchCandidate Statements and Ballot Measures
View Contra Costa County candidate statements and ballot measures from 2006 to present.
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