SF Bay Area Private Investigator

  • San Francisco Private Investigator
    Free Case Consultation

Filley and Associates investigation offices in the San Francisco Bay Area are centrally located to provide quick, effective San Francisco Bay Area private investigator services.  Most of our investigation work is done in the SF Bay Area counties, but we also conduct investigations California-wide and in other states.  Our two office locations are:

San Francisco Chinatown Office

Our San Francisco private investigation office covers San Francisco, the East Bay, Peninsula and South Bay.  The majority of our investigations are in San Francisco,  San Mateo, Santa Clara, Alameda, and Contra Costa counties.

822 Clay Street
San Francisco, CA 94108

+1 415-462-1631
+1 415-909-1000 Mandarin / Cantonese (国语/粤语)


San Rafael / Marin Office

Our Marin investigation office covers the San Francisco North Bay and East Bay, including Marin, Sonoma, Mendocino, Lake, Napa and Solano counties.

1537 4th Street, Suite 136
San Rafael, CA 94901


US Investigations

We often conduct civil and criminal investigations throughout the US and outside of the US.  Contact us to discuss your case.

China Investigations

Please contact us regarding  China Investigation Services

SF Bay Area Counties