To help reduce the rate of COVID-19 transmission, customers are urged to use online services for transactions or mail documents and forms to: Contra Costa County Clerk-Recorder 555 Escobar St., Martinez, CA 94553.
Requests may also be deposited in the mail drop box outside the Clerk-Recorder’s office.
For more information on in-person visits and restrictions, please call 925-335-7900
Welcome to the redesigned Contra Costa County Clerk-Recorder’s Office website. We hope you find it easy to navigate and find the information you are looking for.
The County Clerk Division issues marriage licenses, performs civil marriage ceremonies, processes fictitious business name filings, and provides for the qualification and registration of notaries, process servers and miscellaneous statutory oaths and other filings. All functions of the office are conducted under provisions of the State Constitution, State Law, and County Ordinances.