About the Board

Where Is the CIWMB Located?

The Board's main offices are located in the Joe Serna Jr. Cal/EPA Headquarters Building in downtown Sacramento. The Board also has a field shop in Sacramento, and several small offices in Southern California.

Headquarters

1001 I Street
PO Box 4025
Sacramento, CA  95812-4025
(916) 341-6000
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Please see Cal/EPA's "Travel to Cal/EPA Headquarters" page for detailed information about parking and getting to our headquarters via plane, train, or other mass transit.

Field Shop

9910 Horn Road, Suite 300
Sacramento, CA  95827
(916) 255-4525
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Southern California Offices

Long Beach

2929 E. Willow St.
Long Beach, CA 90806
(562) 595-1344
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Los Angeles

320 West 4th St., Suite 670
Los Angeles, CA 90013
(213) 620-2368
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Riverside

1955 Chicago Ave., Suite 100
Riverside, CA 92507
(951) 782-4226
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