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Contra Costa County requires an appointment for marriage license applications at its Martinez office.
| License fee | Public marriage license: $95. Confidential marriage license: $100. |
|---|---|
| Waiting period | None — California has no statewide waiting period. |
| Documents / ID required | Valid government-issued photo ID showing full legal name and date of birth for both applicants, who must be unmarried and at least 18. |
| License validity | 90 days from the date of issuance (California statewide rule). |
| Where & how to apply | Submit the application form and schedule an appointment at the County Clerk’s office, 555 Escobar Street, Martinez. Arrive no later than 4:00 p.m. |
| Office hours | Business hours, with a 4:00 p.m. arrival cutoff for same-day service. |
Special notes
Checks are not accepted; cash or card only, and card payments carry an additional service fee.
Official source: Contra Costa County Clerk-Recorder — https://www.contracostavote.gov/countyclerk/ceremony-information/ceremony-fees/
Last verified: August 2026
Last verified: August 2026