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Treasurer - Tax Collector - Tax Collector Office fax numbers

Contra Costa County · Martinez, California

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Tax Collector Office - Fax Verified

(925) 608-9598

Use as an official county program page for a directory entry for the Treasurer-Tax Collector and for extracting mailing address, registration/auction URL, deposit and payment requirements, deadlines, and legal disclaimers. Link to auction vendor site (www.cctax.us) and surface notices about payment methods and transfer tax rates.

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Office Address

Finance Building 625 Court Street, Room 100 Martinez, CA 94553

Use as a directory/listing entry for the Contra Costa County Treasurer-Tax Collector Unsecured Property Taxes program; extract contact details, mailing address, hours, phone/fax, payment and portal links, due date and penalty rules, and links to related subpages (installment plan, DMV withholding, delinquent collections).

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