Our Offices

We have offices in the San Francisco Bay Area and Guilin, China. If you are looking for a San Francisco detective, contact our office in beautiful San Francisco. For the assistance of a Marin detective, a San Rafael detective, or a Sonoma detective, our San Rafael office is available to serve you. Our Bay Area Detectives cover Northern California. If you require the assistance of a China detective, please contact our Guilin, China office.

Our San Francisco Detectives cover the San Francisco Bay Area, including San Mateo, Santa Clara, Alameda, Contra Costa counties.

Our Marin detectives cover Marin, Sonoma, Mendocino, Lake, Napa and Solano counties

Our China detectives cover all of China. We have satellite offices in Shanghai, Nanning and Guangzhou.

California Investigation Offices

San Francisco Investigation Office

Current San Francisco time is:

5758 Geary Blvd, Suite 348
San Francisco, CA 94121

866-392-0072 (Toll Free)
415-462-1631 (International)
415-462-9722 (Fax)

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Marin Investigation Office

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

415-462-0688
415-462-9722 (Fax)

Sacramento Investigation Office

916-760-7429

Nevada Investigations | US Investigations

Nevada investigations and US investigations are handled out of our San Francisco office

China Investigation Offices

Current China time is:

Our Partner: Zhong Yang Business Investigation Services

  • Guilin
  • Nanning
  • Shenzhen / Guangzhou
  • Shanghai
  • Hong Kong
  • +86-773-580-5515
  • 415-462-0505 (San Francisco number - connects to China office.  No international charge to party calling from the US)
  • (02) 8015-5669 (Sydney, Australia number - connects to China office.  No international charge to party calling from Australia)
  • Http://www.chinainvestigator.com
 

How do I hire a Private Investigator?

  • Free Consultation - 866-392-0072
  • GIve us a call or email.  We will listen carefully to what you have to say
  • Together, we will discuss options and we will recommend the most effective strategy to achieve your case goals, based on our deep experience
  • We prepare an Agreement, outlining what we will do and how much it will cost, for us both to sign
  • We conduct an effective, thorough investigation, targeted to your needs and within your budget
  • We prepare professional, captioned reports
  • We bill fairly, honestly and with flexibility
  • All information is handled with complete confidentiality
  • Call us for a free consultation
  • US Toll Free: 866-392-0072
  • International: +001-415-462-1631
  • Investigation@filley.com

us flag 20x20 US Investigation china 20x20 China Investigation

california flag 25 x 20 California Investigation

Sacramento City and County

San Francisco City and County

Alameda County Investigators

  • Alameda
  • Berkeley
  • Oakland
  • Albany
  • Castro Valley
  • Dublin
  • Emeryville
  • Fremont
  • Hayward
  • San Lorenzo
  • Sunol
  • Livermore
  • Newark
  • Piedmont
  • Pleasanton
  • San Leandro
  • Union City
Contra Costa County Investigation
  • Antioch
  • Brentwood
  • Clayton
  • Concord
  • Danville
  • El Cerrito
  • Hercules
  • Lafayette
  • Martinez
  • Moraga
  • Oakley
  • Orinda
  • Pinole
  • Pittsburg
  • Pleasant Hill
  • Richmond
  • San Pablo
  • San Ramon
  • Walnut Creek
Lake County Investigation
  • Clearlake
  • Kelseyville
  • Lakeport
  • Loch Lomond
  • Lower Lake
  • Lucerne
  • Middletown
  • Nice
  • Pine Grove
  • Upper Lake
Marin County Investigation
  • Novato
  • San Rafael
  • Belvedere
  • Bolinas
  • Corte
  • Madera
  • Fairfax
  • Greenbrae
  • Inverness
  • Kentfield
  • Lagunitas
  • Forest
  • Knolls
  • Larkspur
  • Mill Valley
  • Nicasio
  • Novato
  • Olema
  • Point Reyes Station
  • Ross
  • San Anselmo
  • Sausalito
  • Tiburon
  • Tomales
  • Woodacre
Mendocino County Investigation
  • Arnold
  • Boonville
  • Fort Bragg
  • Gualala
  • Hopland
  • Laytonville
  • Legget
  • Mendocino
  • Point Arena
  • Ukiah
  • Willits
Napa County Investigation
  • American Canyon
  • Calistoga
  • Middletown
  • Napa
  • Saint Helena
  • Yountville
San Mateo County Investigation
  • Half Moon Bay
  • Redwood City
  • South San Francisco
  • Atherton
  • Belmont
  • Brisbane
  • Burlingame
  • Colma
  • Daly City
  • East Palo Alto
  • Foster City
  • Hillsborough
  • Menlo Park
  • Millbrae
  • Pacifica
  • Portola Valley
  • San Bruno
  • San Carlos
  • San Mateo
  • Woodside
Santa Clara County Investigation
  • San Jose
  • Campbell
  • Cupertino
  • Gilroy
  • Los Altos
  • Los Gatos
  • Milpitas
  • Morgan Hill
  • Mountain View
  • Palo Alto
  • Santa Clara
  • Saratoga
  • Sunnyvale
Solano County Investigation
  • Fairfield
  • Benicia
  • Rio Vista
  • Suisun
  • Vacaville
  • Vallejo
Sonoma County Investigation
  • Petaluma
  • Santa Rosa
  • Cloverdale
  • Cotati
  • Healdsburg
  • Rohnert Park
  • Sebastopol
  • Windsor
  • Geyserville
  • Guerneville

 

Testimonials

Our clients include major law firms, news organizations, law enforcement and corporations. Most clients choose to keep their identities completely confidential. The testimonials of some are listed here with permission:
"I was very pleased with the professional and friendly manner in which my requests for information were handled. I will certainly not hesitate to use your services in the future should the need arise. Once again , thanks.“ - E. Page "我非常的高兴享受你们专业的服务,你们的态度非常友善,完全按照我的要求处理。如果下次再有需要,我也毫不犹豫会选择你们。 再一次,谢谢。” 亿.佩奇

Associations

Scott Filley, with 23 years experience as an investigator is a former Governor of CALI's San Francisco district. CALI (California Association of Licensed Investigators) is the largest association of private investigators in the world.

California PI License No. 23042 Nevada License No. 1000