City of Concord 1950 Parkside Drive, Concord, CA 94519, 925-671-3000, Provides information on local city services and local government offices in the Concord area. more...

Concord Chamber of Commerce 2280 Diamond Boulevard, Suite 200, Concord, CA 94520, 925-685-1181, Promotes and supports local businesses and industries in the Concord area plus provides relocation information. 

Contra Costa Convention and Visitors Bureau 1333 Willow Pass Road, Suite 204, Concord, CA 94520, 925-685-1184, Provides information on local lodging, attractions, dining, transportation, and services in the Concord and Contra Costa area. more...