Private Investigator in San Bruno, CA — Surveillance Is Our Specialty
Looking for a private investigator in San Bruno? Bear Witness Private Investigators is a California-licensed firm (PI #18755) that has specialized in surveillance since 1996. San Bruno is a city of about 43,000 people in San Mateo County, and it is part of our regular coverage across Northern California.
Whether you suspect a cheating spouse, need evidence for a custody or support case, are dealing with a questionable workers’ compensation claim, or represent a client who needs court-ready surveillance, our San Bruno investigators plan each case around the subject’s real routine and document it with time-stamped video.
San Bruno Surveillance Investigations: Our Specialty
Most investigations come down to one question: what is really happening? A private investigator in San Bruno answers it with surveillance video, photos, and a written timeline.
Mobile Surveillance
We follow the subject by vehicle through San Bruno and beyond, keeping distance and cover so they never know we are there.
Static Surveillance
We hold position at the locations that matter to your case and record activity with time-stamped video.
Two-Investigator Teams
Team surveillance covers multiple exits and keeps a moving subject in sight in heavy Northern California traffic.
Every San Bruno surveillance plan is built around where your subject actually lives, works, and spends time — not a generic template.
What Our San Bruno Private Investigators Handle
Whatever the situation, the work comes down to documenting the facts lawfully and clearly.
Personal Cases
- Nanny & daycare surveillance — peace of mind about who is caring for your child in San Bruno.
- Infidelity & cheating spouse — documenting where a partner goes and who they meet, without them knowing.
- Runaways & missing persons — locating family members and loved ones who have left or lost touch.
Family Law Cases
- Divorce investigations — facts and evidence your family law attorney can use.
- Child custody — documenting what happens during parenting time in and around San Bruno.
- Cohabitation — documenting cohabitation that can affect spousal support under Family Code 4323.
- Lifestyle investigations — documenting spending, activities, and lifestyle relevant to support claims.
- Child support — documenting employment and income the other parent may not be reporting.
- Child visitation — observing whether visitation terms are being followed.
Business Cases
- Workers’ comp fraud — surveillance on claims where activity and injuries don’t match.
- Injury claims — verifying the extent of claimed injuries through lawful observation.
- Employee theft — facts for San Bruno employers before they confront anyone.
- Insurance defense — surveillance and investigation for carriers and defense counsel.
- Business partner surveillance — answers before you sign or after trust breaks down.
Law Firm Cases
- Evasive subpoena service — skip-tracing and service for hard-to-serve subjects.
- Witness statements — tracking down witnesses in San Bruno and beyond.
- Surveillance — defensible surveillance your team can rely on at trial.
- Evidence gathering — facts collected to evidentiary standards.
- Records research — the records behind the story.
- Court testimony — investigator testimony in California courts when needed.
What Sets Our San Bruno Investigators Apart
Choosing a private investigator in San Bruno comes down to experience, discretion, and evidence that holds up.
Surveillance Specialists
We specialize in surveillance, so your case gets investigators who do this every day.
Court-Ready Evidence
Time-stamped video, detailed reports, and investigator testimony that stand up in court.
Honest Results
If nothing is going on, we tell you. A clear answer is the goal, not more billable hours.
Statewide Coverage
Coverage across Southern, Northern, and Central California, including all of San Mateo County.
Licensed & Veteran-Owned
A veteran-owned firm licensed by the California Bureau of Security and Investigative Services.
Direct Access to Your Investigator
One investigator from your first call to your final report, with updates along the way.
What Our Clients Say
Real reviews from Bear Witness clients across California.
“I first consulted with a few other investigation companies in the area, yet I remained skeptical about their service. But, after I talked over my case with James, I was pleased with the high levels of confidence and experience he conveyed. In the end, I am glad I chose Bear Witness to perform my surveillance investigation. Thanks for the video your company obtained. It was eye-opening.”
“James, thank you for stepping in and helping out our law firm! You came highly recommended to us by a colleague as the go-to-guy for all things surveillance. Good communication skills & excellent work!”
“Thank you for all your help. You guys were really great! I will definitely refer your private detective agency to all my friends & colleagues in need.”
Names and/or locations altered for client privacy. Read more client reviews →
San Bruno Cases and the San Mateo County Courts
San Bruno sits roughly 14 miles from Redwood City, the San Mateo County seat, where the main Superior Court of California, County of San Mateo facilities are located.
If your San Bruno matter ends up in the Superior Court of California, County of San Mateo, documentation quality decides whether the evidence helps. We keep chain-of-custody records and write reports in plain chronological order.
Nearby Areas We Cover
Cases rarely stay inside one city limit. From San Bruno, we regularly work:
Straight-line distances from San Bruno.
Working With a San Bruno Private Investigator, Step by Step
- 1
Free Consultation
Tell a licensed investigator what you know and what you need confirmed. Completely confidential.
- 2
Plan & Estimate
We build a plan around your subject’s routine in San Bruno and give you a written estimate before any work begins.
- 3
Surveillance
Your investigator documents activity with time-stamped video and keeps you updated.
- 4
Report & Evidence
You receive a clear written report, photos, and video — plus testimony if needed.
San Bruno Private Investigator FAQs
Do you also cover Millbrae and Pacifica?
Yes. Millbrae is about 2 miles from San Bruno and Pacifica about 3 miles, and both are part of our regular coverage in Northern California.
How far is San Bruno from the San Mateo County courthouse?
San Bruno is roughly 14 miles (straight-line) from Redwood City, the San Mateo County seat, where the main Superior Court of California, County of San Mateo facilities are. Some matters are heard at branch courthouses; your attorney can confirm the location.
What does a private investigator in San Bruno do?
We document facts for personal, family law, business, and legal cases — most often through surveillance, along with background research, people location, witness statements, and process serving.
Do you specialize in surveillance?
Yes. Surveillance has been Bear Witness’s specialty since 1996, and it is part of nearly every case we handle in San Bruno and across California.
Do you work with San Mateo County attorneys?
Yes. Law firms use us for evidence gathering, surveillance, witness statements, records research, evasive subpoena service, and court testimony.
Can you serve someone who is avoiding service?
Yes. We locate the person first, then time service attempts around when they are actually there, and document service for the court.
What if the investigation finds nothing?
You get an honest report that says so. A clean result still answers the question.
How do I verify your license?
Look up PI License #18755 on the California Department of Consumer Affairs license search.
Can you help find a runaway or missing person?
Yes. We use people-location and investigative techniques to find family members and others who have left or lost touch.
Every case starts with a free, confidential consultation. Call 1(877)PROOF-24/7 to speak with a licensed investigator about your San Bruno case.