Private Investigators Private Detectives locations near Martinez, CA

Showing 1–10 of 10 results

We track 10 private investigators private detectives listings in and around Martinez, CA, spread over 9 ZIP codes. Listings here were last checked in Oct 2026.

Dewitt Detective Agency

Private Investigators & Private Detectives

📍 910 Court St, Martinez, CA, 94553

📞 925-293-4340

Holliday Investigative Services

Private Investigators & Private Detectives

📍 1155c Arnold Dr Ste 263, Martinez, CA, 94553

📞 925-370-6090

Spencer Elrod Services, Inc.

Private Investigators & Private Detectives

📍 1990 N California Blvd 8th Fl, Walnut Creek, CA, 94596

📞 925-930-3952

🌐 www.spencerelrod.com

Serving San Francisco Bay Area and based in East Bay. Owners have been in Bay Area for nearly 20 years and serve lawyers, private clients and businesses.

Updated Oct 2026

Montano & Associates International Investigations

Private Investigators & Private Detectives

📍 1255 Treat Blvd 3rd Fl, Walnut Creek, CA, 94597

📞 925-947-1212

🌐 www.nickmontano.com

Montano & Associates, based in California, provides investigative services including anti-counterfeiting and brand protection programs; corporate intelligence and investigations; and background, criminal, insurance, and technology investigations. M & A is on retainer to several major law firms and corporations.