Contact the California Geological Survey

On this page:
CGS Offices | CGS Programs | CGS Web Site

CGS Offices

Sacramento (HQ)

715 P Street, MS 1901
Sacramento, CA 95814
Tel: (916) 445-1825
Fax: (916) 445-5718
cgshq@conservation.ca.gov

San Francisco Bay Area

1900 S. Norfolk St., Suite 300
San Mateo, CA 94403
Tel: (650) 350-7307
Fax: (650) 350-7312
cgshq@conservation.ca.gov

Southern California

320 West 4th St., Suite 850
Los Angeles, CA 90013
Tel: (213) 239-0894
Fax: None
cgshq@conservation.ca.gov

CGS Programs

Forest and Watershed Geology Program

715 P Street, MS 1901
Sacramento, CA 95814
Tel: (916) 322-5926
Fax: (916) 323-9264
fwgp@conservation.ca.gov
FWGP web page

Regional Geologic and Landslide Mapping Program

715 P Street, MS 1901
Sacramento, CA 95814
Tel: (916) 327-2759
Fax: (916) 322-4765
rghmp@conservation.ca.gov
RGLMP web page

Mineral Resources and Mineral Hazards Program

715 P Street, MS 1901
Sacramento, CA 95814
Tel: (916) 445-1825
Fax: (916) 324-6490
minerals@conservation.ca.gov
MRP web page

Seismic Hazards Program

715 P Street, MS 1901
Sacramento, CA 95814
Tel: (916) 327-2759
Fax: (916) 445-3334
shmp@conservation.ca.gov
SHP web page

Strong Motion Instrumentation Program

715 P Street, MS 1903
Sacramento, CA 95814
Tel: (916) 322-3106
Fax: (916) 323-7778
cgssmip@conservation.ca.gov
SMIP web page

Office of the State Geologist

715 P Street, MS 1901
Sacramento, CA 95814
Tel: (916) 445-1825
Fax: (916) 445-5718
cgshq@conservation.ca.gov

Geological Survey Library

715 P Street, MS 1902
Sacramento, CA 95814
Tel: (916) 327-1850
Fax: (916) 327-1853
cgslibrary@conservation.ca.gov
Library web page

Publications Sales Desk

715 P Street, MS 1902
Sacramento, CA 95814
Tel: (916) 327-1850
Fax: (916) 327-1853
cgspubs@conservation.ca.gov
Publications web page

CGS Web Site

Online maps and GIS concerns

Email the GIS Coordinator

All other CGS web site concerns

Email the CGS Webmaster

Artist attribution for the Featured Content icons on the CGS home page:

*the Noun Project
**with modifications by CGS staff