Contact Filley and Associates for a confidential consultation with a San Francisco Bay Area private investigator. Our offices are centrally located to provide timely investigation services throughout San Francisco, Marin, the Peninsula, South Bay, East Bay, North Bay, California, and select matters outside California.
San Francisco Chinatown Office
Our San Francisco private investigation office serves San Francisco, the East Bay, the Peninsula, and the South Bay, including 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)
SF@filley.com
San Rafael / Marin Office
Our Marin investigation office serves 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
+1-415-462-1621
Marin@filley.com
US Investigations
We regularly assist with civil, criminal, business, family, and litigation-related investigations throughout the United States and outside the U.S. when appropriate and subject to local licensing requirements. Contact us to discuss your case.
China Investigations
Please contact us regarding China Investigation Services.




















