The Investigation Division is divided into seven Regional Offices located in: Los Angeles, Sacramento, San Diego, Santa Ana, Benicia, Valencia, and Rancho Cucamonga. Each Regional Office conducts investigations within their area of territorial responsibility. In most cases, the complaints are routed to the Regional Office that services the territory where the subject maintains their primary business address.

Michael Godard, Division Chief
9674 Archibald Avenue, Suite 100
Rancho Cucamonga, CA 91730
Phone: (909) 919-2200
Fax: (909) 987-4720
Dennis Dunbar, Manager, Enforcement Branch Headquarters
9342 Tech Center Drive, Suite 100
Sacramento, CA 95826
Phone: (916) 854-5760
Fax: (916) 255-3308
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Sacramento Regional Office
300 Capitol Mall, 16th Floor
Sacramento, CA 95814
Phone: (916) 492-3400
Fax: (916) 322-6560
Serving Alpine, Amador, Butte, Calaveras, Colusa, El Dorado, Fresno, Glenn, Kings, Lassen, Madera, Mariposa, Merced, Modoc, Mono, Nevada, Placer, Plumas, Sacramento, San Joaquin, Shasta, Sierra, Siskiyou, Stanislaus, Sutter, Tehama, Trinity, Tulare, Tuolumne, Yolo and Yuba Counties
Benicia Regional Office
1100 Rose Drive, Suite 100
Benicia, CA 94510
Phone: (707) 751-2000
Fax: (707) 747-8233
Serving Alameda, Contra Costa, Del Norte, Humboldt, Lake, Marin, Mendocino, Monterey, Napa, San Benito, San Francisco, San Mateo, Santa Clara, Santa Cruz, Sonoma and Solano Counties.
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San Diego Regional Office
1350 Front Street, Room 4061
San Diego, CA 92101
Phone: (619) 525-4092
Fax: (619) 525-4253
Serving Imperial and San Diego Counties.
Orange Regional Office
333 S. Anita Drive, Suite 450
Orange, CA 92868
Phone: (714) 712-7600
Fax: (714) 935-2750
Serving Orange County.
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Valencia Regional Office
27200 Tourney Road, Suite 330
Valencia, CA 91355
Phone: (661) 253-7500
Fax: (661) 286-1390
Serving Kern, Northern Los Angeles, San Luis Obispo, Santa Barbara and VenturaCounties
Rancho Cucamonga Regional Office
9674 Archibald Avenue, Suite 100
Rancho Cucamonga, CA 91730
Phone: (909) 919-2200
Fax: (909) 987-4720
Serving Inyo, Riverside and San Bernardino Counties.
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Los Angeles Regional Office
300 South Spring Street, 10th Floor
Los Angeles, CA 90013
Phone: (213) 346-6006
Fax: (213) 897-8771
Serving Central and Southern Los Angeles County.
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