Bear Witness subscribes to higher industry standards, practices, and ethics.  We endorse these & other allied  professional P.I. organizations: the National Association of Investigative Specialists & the World Association of Detectives.  As West Coast natives & California locals, we are also proud supporters of the Surfrider Foundation, an environmental non-profit organization dedicated to protecting and preserving our oceans, waves, and beaches.

San Francisco Bay Area Private Investigator  |  San Mateo  |  Silicon Valley  |  Santa Clara  |  Alameda  |  Contra Costa  |  Solano  |  Napa  |  Sonoma  |  Marin  |  Northern California Private Investigator
Bear Witness Private Investigation Firm  *  Private Investigators  *  STATE OF CALIFORNIA  *  Private Detectives  *  Bear Witness Private Detective Agency
A Professional California State Licensed Private Investigation & Surveillance Company LIC# 18755  |  Sitemap



Northern California & S.F. Bay Area Private Investigators available 24/7.

Our Northern California private investigators & surveillance experts can help in the San Francisco Bay Area, Sacramento Area, & beyond.  Call 1-877-PROOF-24/7 for a free consultation.

Bear Witness provides high-quality professional surveillance investigation services for Personal, Family Law, Business, Corporate, & Legal case matters.  Top service requests in Northern California include discreet surveillance & investigations for infidelity, cheaters, cheating spouse, marital affair, divorce, cohabitation, child custody, visitation, child neglect, stalking, vandalism, retail & restaurant investigations, business & corporate investigations, employee theft, embezzlement, employee surveillance, workers' compensation claims, fraud, FMLA, human resource investigation services, personal injury claims, insurance defense, medical malpractice, elder abuse, locate witness, find missing persons, child or teen runaway, bankruptcy investigations, receivership investigation services, high profile, celebrity, VIP, & entertainment industry investigations, asset search, background check, due diligence, video surveillance, photos, litigation support services for lawyers, & other "information-critical" situations. 

Our website is loaded with information, free tips, & helpful advice.  Please feel free to browse your category of interest.  To ask questions or to simply get started, call 24/7.

Alameda County, California:
PRIVATE INVESTIGATOR:  Alameda, Albany, Berkeley, Dublin, Emeryville, Fremont, Hayward, Livermore, Newark, Oakland, Piedmont, Pleasanton, San Leandro, & Union City.
1-877-PROOF-24/7   *   1-877-776-6324
Bear Witness private investigators service all areas of Northern California.
Clients may also enjoy our vast network of associates that stretch
nationwide, across international borders, and globally. 
All inquires & services rendered are confidential.

Call now for a Free Consultation.
BEAR WITNESS Northern California, Bay Area, Private Investigation
San Mateo County, California:
PRIVATE INVESTIGATOR:  Atherton, Belmont, Brisbane, Burlingame, Colma, Daly City, Redwood City, Foster City, East Palo Alto, Half Moon Bay, Hillsborough, Menlo Park, Millbrae, Pacifica, Portola Valley, San Bruno, San Carlos, San Mateo, SF Peninsula, South San Francisco, San Francisco International Airport, & Woodside.
Santa Clara County, California:
PRIVATE INVESTIGATOR:  Campbell, CupertinoLos Altos, Los Altos Hills, Gilroy, Los Gatos, Milpitas, Monte Sereno, Morgan Hill, Mountain View, Palo Alto, Silicon Valley, Santa Clara Valley, Santa Clara, San Jose, Saratoga, Sunnyvale, Stanford, & Stanford University.
Contra Costa County, California:
PRIVATE INVESTIGATOR:  Alamo, Antioch, Brentwood, Clayton, Concord, Danville, Discovery Bay, El Cerrito, Hercules, Lafayette, Martinez, Moraga, Orinda, Pinole, Pittsburg, Pleasant Hill, Richmond, San Pablo, San Ramon, & Walnut Creek.
Solano County, California:
PRIVATE INVESTIGATOR:  Vallejo, Vacaville, Fairfield, Travis Air Force Base, Benicia, Dixon, Rio Vista, Suisun City, & more.
Napa County, California:
PRIVATE INVESTIGATOR:  American Canyon, Calistoga, Napa, Napa Valley, St. Helena, & Yountville.
San Francisco, California:
PRIVATE INVESTIGATOR:  SF Bay Area, & all City and County areas of San Francisco.
Sonoma County, California:
PRIVATE INVESTIGATOR:  Cloverdale, Cotati, Healdsburg, Petaluma, Rohnert Park, Santa Rosa, Sebastopol, Sonoma, & Windsor.
Marin County, California:
PRIVATE INVESTIGATOR:  Belvedere, Corte Madera, Fairfax, Larkspur, Mill Valley, Novato, Ross, San Anselmo, San Rafael, Sausalito, Tiburon, Kentfield, Greenbrae, Muir Beach, Stinson Beach, San Geronimo, Santa Venetia, Strawberry, Tamalpais-Homestead Valley, Lucas Valley-Marinwood, Woodacre, Black Point-Green Point, Lagunitas-Forest Knolls, Bolinas, Dogtown, Point Reyes Station, West Marin, Bel Marin Keyes, Ignacio, Inverness Park, Las Gallinas, & Golden Gate National Recreation Area.
Sacramento County, California:
PRIVATE INVESTIGATOR:  Sacramento, Elk Grove, Folsom, Citrus Heights, Rancho Cordova, Antelope, Arden-Arcade, Carmichael, Clay, Courtland, Elverta, Fair Oaks, Florin, Foothill Farms, Franklin, Freeport, Fruitridge Pocket, Galt, Gold River, Herald, Hood, Isleton, La Riviera, Lemon Hill, Mather, McClellan Park, North Highlands, Orangevale, Parkway, Rancho Murieta, Rio Linda, Rosemont, Vineyard, Walnut Grove, & Wilton.
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