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Bureau of Investigations

900 Ward Street Martinez CA 94553

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Physical Address:

900 Ward Street
Fourth Floor
Martinez, CA 94553

Phone:

Fax:

925-646-4683

Hours
Monday through Friday
8 a.m. to 5 p.m.

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County Administration Building:
1025 Escobar Street, Martinez, CA 94553
1st Floor: Clerk of the Board
2nd Floor: Human Resources
3rd Floor: County Counsel
4th Floor: County Administration
For all other County departments and offices, see their web pages.

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