Sunset Blvd. Investigations
“He was patient, attentive and knowledgeable and give excellent advice on how to move forward.”
Best Private Investigators near Alhambra, CA
These agencies serve Alhambra from nearby bases in towns including Los Angeles, Monterey Park and Pasadena.
15 agencies listed · 5 open 24/7 · 10 open weekends · all 15 rated 4.5+ · 6 show a license
Data verified November 1, 2026
Paramount Investigative Service
“If you're looking for a Private Investigator in Los Angeles or just need a reliable private investigator near you, I would highly recommend Ken and his team”
L&B Services
“If you're looking for trustworthy people this is the place to go!!”
MCM Investigations
“Mike was the first person I contacted and he was quick to respond and take care of things.”
Heirfinders Research Associates
“They found money for me that I didn't even know I had.”
California Recovery Investigations
“Kevin did a very good job in quickly sorting out my needs.”
The 15 agencies on this page are the private investigators listed for Alhambra, 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: Alhambra, CA
The 15 agencies on this page are rated from 4.5 to 5.0 across 420 reviews; 4 have 50 or more reviews. 5 are open around the clock; 10 are open on Saturdays and 8 on Sundays. The services the agencies on this page list most often on their websites are background checks (2), missing persons (2) and surveillance (2). 6 show a license on their websites and 4 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 1997. 5 offer urgent consultations and 5 offer a free initial consultation. 1 has Spanish-speaking staff. We have a website on file for all 15 of the agencies on this page; 10 publish a contact page; 6 list a public email and 2 take bookings online. We count these figures across the agencies on this page; hours and prices change, so confirm the details with the agency before you book.
Do investigators listed for Alhambra 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.
Rush Intel Services
“I did not know the exact address for the defendant, however they not only found him they got him served in a timely manner and were very professional.”
Schubert Investigations
“He's able to locate individuals with minimal information and serve hostile and evasive persons with unbelievable speed.”
Trans West Investigations
Origin Investigations
“Eey professional and go above and beyond what would be expected to get the job done!”
Investigative Services Corporation
“Great detective agency in the Burbank area, seek his team for the most challenging inquiries.”
Confidential Matters
“Mustafa is great to work with.”
Applied Facts
Archer Investigations
Kale Investigation Agency
“Very good answers and rates forbthe services needed in my divorce case”
Why these companies made our list
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