California PI License #18755 · Serving Southern, Central & Northern California since 1996 1-877-PROOF-24/7 · Open 24/7

Licensed Tiburon Private Investigators Specializing in Surveillance

Covert, court-ready surveillance for Tiburon individuals, families, employers, and attorneys. California PI License #18755, veteran-owned.

California PI License #18755Veteran-OwnedSince 1996

Why Tiburon Clients Choose Bear Witness

  • Surveillance specialists since 1996
  • Licensed California investigators, not a call center
  • Limited caseload — direct access to your investigator
  • Serving all of Marin County and Northern California
  • Court-ready video, reports, and testimony

Tiburon Private Investigator Services, Built Around Surveillance

Looking for a private investigator in Tiburon? Bear Witness Private Investigators is a California-licensed firm (PI #18755) that has specialized in surveillance since 1996. Tiburon is a town of about 9,000 people in Marin County, and it is part of our regular coverage across Northern California.

From infidelity and custody cases to workers’ compensation fraud and litigation support, we keep our caseload small so every Tiburon client works directly with the investigator in the field — and gets a clear answer, documented to the standard California courts expect.

Call 1(877)PROOF-24/7

1996
Surveillance specialists since
24/7
Available day and night
#18755
California PI license
9,000
Tiburon residents we serve

Surveillance Specialists Serving Tiburon

Most investigations come down to one question: what is really happening? A private investigator in Tiburon answers it with surveillance video, photos, and a written timeline.

Mobile Surveillance

We follow the subject by vehicle through Tiburon and beyond, keeping distance and cover so they never know we are there.

Static Surveillance

Discreet observation of a home, workplace, or business from a lawful public vantage point, documenting who comes and goes.

Two-Investigator Teams

Team surveillance covers multiple exits and keeps a moving subject in sight in heavy Northern California traffic.

Like much of Marin County, Tiburon mixes residential neighborhoods with busy commercial corridors. We combine discreet residential positioning with mobile coverage on the roads in between.

How a Tiburon Private Investigator Can Help

Whatever the situation, the work comes down to documenting the facts lawfully and clearly.

Personal Cases

  • Runaways & missing persons — finding someone who has left Tiburon or stopped answering.
  • Infidelity & cheating spouse — documenting where a partner goes and who they meet, without them knowing.
  • Nanny & daycare surveillance — documenting how a caregiver treats your child, within California privacy law.

Family Law Cases

  • Child support — identifying undisclosed work or income when support is in question.
  • Lifestyle investigations — showing how someone actually lives when income or need is in dispute.
  • Divorce investigations — evidence for Marin County family court, documented properly.
  • Child visitation — a factual record of exchanges and visits.
  • Child custody — parenting-time compliance, home conditions, and welfare concerns.
  • Cohabitation — evidence of a supported spouse living with a partner, relevant to support.

Business Cases

  • Insurance defense — claim investigations built for insurers and their attorneys.
  • Employee theft — quietly confirming suspected theft so you can respond with facts.
  • Injury claims — documenting physical activity relevant to personal injury claims.
  • Business partner surveillance — due diligence and surveillance on partners and key associates.
  • Workers’ comp fraud — documenting claimant activity across Marin County.

Law Firm Cases

  • Evidence gathering — documentation built for the Superior Court of California, County of Marin.
  • Witness statements — finding and interviewing the people who saw what happened.
  • Court testimony — our investigators testify to what they observed.
  • Records research — the records behind the story.
  • Surveillance — surveillance your client’s case can stand on.
  • Evasive subpoena service — service on people who don’t want to be found.

The Bear Witness Difference in Tiburon

Not every Tiburon private investigator specializes in surveillance. Here is what makes Bear Witness different.

Licensed & Veteran-Owned

California PI License #18755, veteran-owned and operated, held to the standards set by BSIS.

Available 24/7

Cases don’t keep business hours. We take calls and work surveillance day, night, and weekends.

Surveillance Specialists

We specialize in surveillance, so your case gets investigators who do this every day.

Direct Access to Your Investigator

We limit our caseload, so you talk to the investigator working your case — not a call center.

Absolute Discretion

Your case is never discussed with anyone outside the firm, and the subject never knows we were there.

Honest Results

We report what we observed — no stretching thin evidence to justify a case.

What Our Clients Say

Real reviews from Bear Witness clients across California.

“Of all the private investigators I have used, the Bear Witness Detective Agency has proven to be the only investigation company I can completely rely on and trust. When I need smart surveillance investigators who get the job done right, they are always at the very top of my call list.”

Tony · Redondo Beach, CA

“I hired your detective agency to do a surveillance investigation in Orange County for a personal issue. I found your company to be professional & very helpful. Thank you for the updates, insight, and information you provided. You guys did a good job and I will recommend your private investigator company to others.”

Tiffany · Newport Beach, CA

“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.”

Jeff · Murrieta, CA

Names and/or locations altered for client privacy. Read more client reviews →

Where Tiburon Cases Are Heard

Tiburon sits roughly 7 miles from San Rafael, the Marin County seat, where the main Superior Court of California, County of Marin facilities are located.

If your Tiburon matter ends up in the Superior Court of California, County of Marin, documentation quality decides whether the evidence helps. We keep chain-of-custody records and write reports in plain chronological order.

About 73% of Tiburon households own their homes. Stable, quiet neighborhoods mean residents notice unfamiliar cars, so residential surveillance here takes careful positioning.

Also Serving Near Tiburon

Cases rarely stay inside one city limit. From Tiburon, we regularly work:

Straight-line distances from Tiburon.

How Hiring a Private Investigator in Tiburon Works

  1. 1

    Free Consultation

    Tell a licensed investigator what you know and what you need confirmed. Completely confidential.

  2. 2

    Plan & Estimate

    We build a plan around your subject’s routine in Tiburon and give you a written estimate before any work begins.

  3. 3

    Surveillance

    Your investigator documents activity with time-stamped video and keeps you updated.

  4. 4

    Report & Evidence

    You receive a clear written report, photos, and video — plus testimony if needed.

Tiburon Private Investigator FAQs

Do you also cover Belvedere and Sausalito?

Yes. Belvedere is about 1 mile from Tiburon and Sausalito about 3 miles, and both are part of our regular coverage in Northern California.

What does a private investigator in Tiburon 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 Tiburon and across California.

Is surveillance legal in Tiburon?

Yes, when done correctly. California allows observation in public places where there is no reasonable expectation of privacy. Our investigators do not trespass, use hidden vehicle trackers, or record private conversations.

Can you catch a cheating spouse in Tiburon?

We can document what your spouse actually does and who they meet, with time-stamped video and a written report, and give you a clear answer either way.

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.

Do I need to meet in person?

No. Most Tiburon clients handle everything by phone, from the first call to the final report.

Do you handle workers’ compensation and insurance claims?

Yes. We conduct claimant surveillance and claim investigations for employers, insurers, and defense counsel.

Is everything I tell you confidential?

Yes. Your case is handled by your assigned investigator and never discussed with anyone outside the firm.

Ready to talk to a private investigator in Tiburon? Call 1(877)PROOF-24/7 for a free, confidential consultation.

Talk to a Licensed Investigator Today

Free, confidential consultation. Available 24 hours a day, 7 days a week.

Call 1(877)PROOF-24/7