Search Contra Costa County, California Public Records

Contra Costa Superior Court Odyssey Portal — civil, small claims, family law, and probate cases searchable by name or case number. The court sits at the Wakefield Taylor Courthouse and A.F. Bray Courthouse in Martinez, plus the Pittsburg, Richmond, and Walnut Creek branches. Name searches incur a per-search fee under Cal. Rule of Court 2.503; case-number lookups are free.

Contra Costa Superior Court Traffic Division — pay citations, request traffic school, schedule remote hearing under TR-128. Department 50 hears Walnut Creek and Richmond traffic; Department 54 hears Pittsburg. Civil-assessment fee up to $100 added on failure to appear under Cal. Penal Code §1214.1(b)(1); MyCitations online tool allows hardship-based fine reductions. Parking citations are handled by the issuing city, not the court.

Contra Costa Sheriff in-custody locator search by name or booking number — Sheriff David O. Livingston operates the Martinez Detention Facility (maximum-security pretrial), the West County Detention Facility in Richmond (direct-supervision co-educational program facility), and the Marsh Creek Detention Facility in Clayton (minimum-security sentenced inmates). Companion In-Custody Reports portal provides arrest and incident summary reports.

Contra Costa Sheriff Investigations Division most-wanted bulletin — every individual featured has an active arrest warrant. Photographs, charges, last-known whereabouts, and tip-line information for fugitives sought by the 22nd Sheriff David O. Livingston. Anonymous tips route to the dispatch line at 925-646-2441 or to the Sheriff's main switchboard at 925-655-0000. Office at 1850 Muir Road, Martinez.

Clerk-Recorder Kristin B. Connelly's vital-records request portal — order certified birth, death, and marriage records online for events occurring in Contra Costa County. Cal. Health & Safety Code §103526 restricts informational copies and authorized copies; authorized copies require the requestor to be the registrant, immediate family, legal representative, or otherwise qualified. Birth $32, death $24, marriage $17.

California Secretary of State My Voter Status lookup — scoped to Contra Costa County, the page returns registration status, party affiliation, polling place, mail-ballot status, and signature-verification status. Contra Costa has roughly 740,000 registered voters administered by Clerk-Recorder Kristin B. Connelly. June 2 2026 primary on the calendar; Conditional Voter Registration available through Election Day.

Clerk-Recorder Kristin B. Connelly's Fictitious Business Name (FBN) search — query by business name or owner to retrieve document number, start date, record year, address, and abandonment date if applicable. Cal. B&P Code §17900 requires filing within 40 days of first transacting business under a name other than the owner's surname; registration valid 5 years with required newspaper publication once per week for 4 consecutive weeks.

Contra Costa Treasurer-Tax Collector Dan Mierzwa — appointed by the Board of Supervisors effective January 1, 2024 following the retirement of Russell Watts, now running for election June 2 2026. Search and pay secured-roll taxes by Assessor's Parcel Number or address. First-installment due Nov 1, delinquent Dec 10; second-installment due Feb 1, delinquent Apr 10 under Cal. Rev. & Tax. Code §2617.

Contra Costa County Mapping Information Center — GIS maps searchable by address, city, or ZIP across the 720-square-mile county. Layers include parcels, supervisorial districts, school districts, FEMA flood zones, fire-hazard severity zones (after the 2024 Cal Fire remap), watersheds, and aerial imagery. The Department of Conservation and Development administers the platform.

Treasurer-Tax Collector unsecured property-tax search — business equipment, boats, aircraft, and possessory interests assessed under Cal. Rev. & Tax. Code §107. Unsecured bills are mailed in July, due August 31, and delinquent September 1 (not December 10). A 10% penalty applies after delinquency plus 1.5% per month until paid. Search by name or assessment number.

Contra Costa County Assessor parcel-search portal — outgoing 8-term Assessor Gus Kramer announced March 6, 2026 he will not seek a ninth term after 32 years; the 2025-26 assessment roll totals 382,022 parcels (up 1,341 year-over-year). Look up assessed values, ownership, and parcel maps; file the Homeowners' Exemption (deadline Feb 15 for the full $7,000 exemption). Office at 2530 Arnold Drive, Suite 100, Martinez; 925-313-7400.

Contra Costa Treasurer-Tax Collector annual tax-defaulted property auction conducted by Dan Mierzwa on Bid4Assets — recent sales offered 32-39 parcels with bids starting as low as $1,600 to $6,900, all no-reserve. Sale is held online under Cal. Rev. & Tax. Code §3691 for parcels in default five-plus years subject to Power to Sell. Bidders pre-register and post a $5,000 deposit; winning bids paid in full the next business day.