Best Private Investigators near Brea, CA
1 of these agencies is based in Brea; the others serve Brea from towns including Tustin (14 mi), Fullerton (5 mi) and Orange (9 mi).
2 open 24/7 · 9 open weekends · 13 rated 4.5+ · 9 show a license
Data verified October 18, 2026
Peterson Investigations
“In just a few hours after contacting them I received the accurate and informative information I needed.”
Brapga Security Systems
“I called a few days ago and spoke with Santos, he gave me good information, he was interested in an event service, he explained its security structure very well and finally we reached an agreement, the day of the event arrived and I was satisfied.”
Lockjaw Legal Process Services
“You couldn't have a better person on your side !!”
Gomez Investigations Unit- Detective Privado
“They are great at what they do and you will always get your money worth no matter the situation.”
Excaliber Investigations
“Reliable, trustworthy and highly recommended investigated service.”
The 15 agencies on this page are the private investigators listed for Brea, CA. What each one states about its license, its specialties and the areas it covers comes from its own website; ratings and quotes come from public reviews.
Area overview: Brea, CA
14 of the 15 agencies on this page have a rating, from 4.3 to 5.0 across 205 reviews; 1 has 50 or more reviews and 13 are rated 4.5 or higher. 2 are open around the clock; 8 are open on Saturdays and 5 on Sundays. 9 show a license on their websites and 2 have a BBB rating of A or A+. Domain records put 9 websites of the agencies on this page at ten or more years old; the oldest dates from 2000. 2 offer urgent consultations and 5 offer a free initial consultation. 2 have Spanish-speaking staff. We have a website on file for all 15 of the agencies on this page; 12 publish a contact page and 11 list a public email. We count these figures across the agencies on this page; distances are straight-line, and hours and prices change, so confirm the details with the agency before you book.
Do investigators listed for Brea discuss a case free?
5 of the 15 agencies state that a first consultation costs nothing. Use it to describe the problem and hear whether the work can be done lawfully at all. A straight agency will sometimes tell you on that call that what you want cannot be obtained, which saves you a retainer.
Southern California Private Investigations
“Farzin and his team were a pleasure to work with during a very stressful legal case and difficult time.”
Schubert Investigations
“Freemen is professional, courteous, patience and reliable.”
Discreet Services
R.H. Young
“Robert Young is a great Private Investigator and Process Server.”
Book onlineBook
Elevate Investigations
“All the information we received was accurate and she was a pleasure to work with.”
Logic Investigations
“He shared his knowledge and expertise regarding our case and stayed in close communication with me providing frequent updates.”
AIB
PAX Investigations
“PAX did an exemplary job on the requested service; consistent, professional communication throughout.”
Smarthire
Why these companies made our list
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