Contra Costa County Treasurer-Tax Collector's Office in Martinez, California

When visiting this tax collector office, bring your property tax bill or parcel number, a valid photo ID, and your preferred payment method — cash, check, or card. Contra Costa County Treasurer-Tax Collector's Office is located at 625 Court Street, Martinez, CA. If you are applying for a homestead or other exemption, bring documentation supporting your eligibility, such as proof of primary residence, veteran discharge papers (DD-214), or a disability certification letter.

About Contra Costa County Treasurer-Tax Collector's Office

The Contra Costa County Treasurer-Tax Collector's Office, located in Martinez, California is responsible for financial transactions, including issuing Contra Costa County tax bills, collecting personal and real property tax payments. The Contra Costa County Treasurer and Tax Collector's Office is part of the Contra Costa County Finance Department that encompasses all financial functions of the local government.

• Property tax bill lookup and payment processing at Contra Costa County Treasurer-Tax Collector's Office
• Homestead, senior, veteran, and disability exemption applications
• Delinquent tax payment plans and lien removal procedures
• Tax deed sales, tax lien auctions, and investor registration