Best Private Investigators near Rowland Heights, CA
These agencies serve Rowland Heights from nearby bases in towns including Fullerton, West Covina and Glendora.
15 agencies listed · 3 open 24/7 · 9 open weekends · 11 rated 4.5+ · 6 show a license
Data verified October 18, 2026
Peterson Investigations
“Eric and his team communicated often throughout the investigation process to keep me abreast of updates or any clarification needed.”
Brapga Security Systems
“Santos and his team are a pleasure to work with.”
Lockjaw Legal Process Services
“You couldn't have a better person on your side !!”
Excaliber Investigations
“Reliable, trustworthy and highly recommended investigated service.”
Tag Force Security & Patrol Services
The 15 agencies on this page are the private investigators listed for Rowland Heights, 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: Rowland Heights, CA
13 of the 15 agencies on this page have a rating, from 4.3 to 5.0 across 202 reviews; 1 has 50 or more reviews and 11 are rated 4.5 or higher. 3 are open around the clock; 9 are open on Saturdays and 6 on Sundays. 6 show a license on their websites and 3 have a BBB rating of A or A+. 10 have ten or more years of experience, the longest 62 years. 3 offer urgent consultations and 5 offer a free initial consultation. We have a website on file for all 15 of the agencies on this page; 9 publish a contact page and 7 list a public email. We count these figures across the agencies on this page; hours and prices change, so confirm the details with the agency before you book.
Which investigators listed for Rowland Heights describe their work online?
All 15 agencies on this page have a website on file. Those pages are where an agency states its license, the kinds of investigation it takes on, and whether it works mainly for attorneys, for companies or for private clients. That last point changes how a report gets written.
Schubert Investigations
“Every time I asked him for help, he will surprised me back, he is the best of the best!”
Discreet Services
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Elevate Investigations
“I needed to get more information on a caretaker than the general background check, and Hannah went above and beyond!”
Logic Investigations
“He shared his knowledge and expertise regarding our case and stayed in close communication with me providing frequent updates.”
A Pineda Polygraph Services
“Even though I gave him a hard time due to stress was extremely helpful and he possibly saved my marriage of 8 years.”
PAX Investigations
“I have utilized their services on multiple occasions and each time I have been throughly impressed with the professionalism and attention to detail their team has brought.”
Kale Investigation Agency
“Very good answers and rates forbthe services needed in my divorce case”
Smarthire
Professional Solutions
Why these companies made our list
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