Bejars Investigations Services
“This agency is very professional and a wealth of experience”
Best Private Investigators near National City, CA
These agencies serve National City from nearby bases in San Diego and Chula Vista.
15 agencies listed · 5 open 24/7 · 10 open weekends · 10 rated 4.5+ · 6 show a license
Data verified October 15, 2026
Westcoast Security & Investigative Agency
“They are an amazing firm responding quickly to our needs and providing professional, well trained staff.”
Harman Investigations
“He constantly impresses us with his reliability, attention to detail and wonderful work ethic.”
The Special Investigations Unit
“Lawrence Hamilton is one of the best investigators out there.”
Western Investigations
“If you are looking for the best private detective agencies, I suggest you should visit Western Investigations in Saint Diego, as they are quite helpful in providing better services for anyone.”
John Ballard Polygraph
“John explained everything about the polygraph and adminstered the test objectively and professionally.”
The 15 agencies on this page are the private investigators listed for National City, 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: National City, CA
12 of the 15 agencies on this page have a rating, from 4.0 to 5.0 across 134 reviews; 10 are rated 4.5 or higher. 5 are open around the clock; 9 are open on Saturdays and 9 on Sundays. 6 show a license on their websites and 2 have a BBB rating of A or A+. 8 have ten or more years of experience, the longest 41 years. 5 offer urgent consultations; 1 offers payment plans; 3 offer a free initial consultation; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 13 of the agencies on this page; 12 publish a contact page; 8 list a public email and 1 takes 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.
Which investigators listed for National City describe their work online?
13 of the 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.
Private Investigator Offices
The Taylor Group
“Great services and wonderful to work with!”
Quinn & Associates Confidential Investigations
“We contacted him and he was able to provide same day service for us and follow up, even after hours.”
Forefront Investigations San Diego
“Forefront Investigations is my go-to private investigator from everything from simple background checks, to comprehensive surveillance and detailed investigations.”
GRI Investigations
“He has worked on many cases for us, some of them very difficult to track down or find witnesses, but he has always come through for us.”
San Diego Digital Forensics
Cal Kik Investigations
“He has never failed to get me the information that I need and he does it quickly.”
Batza & Associates
Santoni Investigations - San Diego Private Investigator
Why these companies made our list
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