Best Private Investigators in Fullerton, CA

The highest-rated Private Investigator & Detective agencies out of 235 vetted & reviewed in the Fullerton area.

Pelican Research

Pelican Research

(1)
“De Sales and his team have done for my family and I, over the course of the last 30 years.”
Emergency Services
13+ Years Experience
Transparent Fees & Pricing
Serving Fullerton Area
i
Martin Investigative Services

Martin Investigative Services

(29)
Bug Sweep Services, Workers Compensation Surveillance, Asset Search Investigations
“Thomas took the time to walk me through every line of the report and had suggestions on how i could gather even more intelligence on my selected target.”
Licensed
In Business Since 1998
Free Initial Consultation
Emergency Services
620 Newport Center Dr Suite 1400, Newport Beach, CA
i
Confidential Controls - Private Investigator

Confidential Controls - Private Investigator

(30)
Background Investigations, Child Custody Investigations, Surveillance Investigation
“Although I am SO happy that I was able to get the person of interest served with his court orders, I am so sad to no longer be working with Jason, because he is just that awesome.”
Emergency Services
In Business Since 2014
Serving Fullerton Area
i
Armando Zatarain Investigations

Armando Zatarain Investigations

(20)
Cheating Spouses, Attorney Testimonials, Asset Checks
“He assigned Amy, his top PI, and she quickly did a background search on this person and found him to be a career "Criminal" with an astounding number of felonies and a considerable number of convictions and jail time.”
Transparent Fees & Pricing
In Business Since 2005
Free Initial Consultation
369 San Miguel Dr # 165, Newport Beach, CA
i
New World Investigations

New World Investigations

(6)
Attorney Services, Asset Investigations, Private Investigations
“Before contacting New World Investigations I was treated poorly by a man (RAFFI) at Super Eye Investigations; he was extremely disrespectful and had a middle eastern accent and appeared not to like Americans.”
Emergency Services
Se Habla Español
In Business Since 2013
Free Initial Consultation
Serving Fullerton Area
i
JPL Process Service

JPL Process Service

(20)
  • Job
  • Phone
  • Priced
“Really appreciated the aftercare when the recipient of the documents tried to dispute the service, JPL continued to support and the court ultimately found that service had been completed properly.”
Accepts Paypal, Check, All Major Credit Cards, Debit
In Business Since 2001
Transparent Fees & Pricing
14482 Beach Blvd Ste X, Westminster, CA
i
DBM Private Investigator

DBM Private Investigator

(9)
Executive Protection, Background Check, Vehicle Investigations
“He was fast and did his job in a very professional manner, I couldn't be happier with the results of the the job he did for me, and best of all, it didn't cost me an arm and a leg.”
Emergency Services
In Business Since 2018
17941 Sky Park Cir, Irvine, CA
i
Excaliber Investigations

Excaliber Investigations

(1)
“Reliable, trustworthy and highly recommended investigated service.”
Licensed, BBB Rating: A+
In Business Since 1994
1440 W Hillandale Ave, La Habra, CA
i
Gomez Investigations Unit- Detective Privado

Gomez Investigations Unit- Detective Privado

(3)
“Whether you're going through a divorce, suspect a cheating spouse of infidelity, need a background check, or any need for investigations, Nestor and his well experienced team will go above and beyond to help you.”
PILICENSE#2877
Se Habla Español
In Business Since 2004
Free Initial Consultation
14311 Newport Ave g280, Tustin, CA
i
H. L. Bales Investigations

H. L. Bales Investigations

(1)
Skip Trace, Surveillance, Marriage Index Search
“If you want your case to be perfectly done , I would recommended him.”
Emergency Services
In Business Since 2020
Free Initial Consultation
Serving Fullerton Area
i
Behavior Analysis Investigations

Behavior Analysis Investigations

(19)
Business Investigations, Insurance Investigations, Investigative Profiling
“Both Edward Gonzalez, Administrative Services Manager and Investigator Steve O'Connor from BAI were professional and accommodating to our work schedules.”
Free Initial Consultation
In Business Since 2020
Serving Fullerton Area
i
Blue Systems International Private Investigator

Blue Systems International Private Investigator

(29)
Locations Served
“I am so glad that we are able to handle my legal case without any problems, investigator is wonderful and helped me understand the legal system which is really calming.”
Licensed
In Business Since 2005
Free Initial Consultation
Serving Fullerton Area
i
OC Confidential Investigations

OC Confidential Investigations

(3)
“Her rates are very reasonable and she went above and beyond what was expected to fulfill the task which wasn't easy because she was dealing with slippery people.”
Licensed
In Business Since 2016
Free Initial Consultation
Emergency Services
170 E. Yorba Linda Blvd., Placentia, CA,
i
Southern California Private Investigations

Southern California Private Investigations

(2)
Later Stage Case Services, Locating People, Insurance Defense Investigation
“I recommend Southern California Private Investigations Inc 100%”
Licensed
In Business Since 1992
Emergency Services
310 W First St, Tustin, CA
i
A.N. Investigations

A.N. Investigations

(25)
  • Work
  • Professional
  • Investigative Journalism
“Investigations company takes pride in being the premier private investigations and surveillance agency in Los Angeles that took my case seriously, put my mind at ease and assured me that they'll work diligently on bringing my case to a close.”
Licensed
In Business Since 2019
201 E Center St #112, Anaheim, CA
i
California Labor Solutions

California Labor Solutions

(9)
Workplace Investigations, HR Consulting & Regulatory Compliance, Training & Professional Development
“With California being one of the most challenging states for employers, I am thankful to have CLS on my team, with friendly and knowledgeable staff that keeps up with California's latest rules and regulations.”
In Business Since 2006
30262 Crown Valley Pkwy Ste. B470, Laguna Niguel, CA
i
Fullcircle Investigations INC

Fullcircle Investigations INC

(1)
“They helped me with filing court documents, properly serving court documents, and the correct representation of the materials they helped with in their investigations.”
POST Certified
In Business Since 2019
63 Via Pico Plz, San Clemente, CA,
i
Point Blank Private Investigations

Point Blank Private Investigations

(2)
Asset Recovery, Security & Protection Services, Technical – Forensic Services
“Patrick and his team got the video we needed for our case.”
Emergency Services
In Business Since 2015
Free Initial Consultation
Serving Fullerton Area
i
C Jackson Investigations

C Jackson Investigations

(9)
“Cameron saved us a ton of possible future headaches and issues - he does really great work and have suggested him to other business owners and attorneys.”
In Business Since 2013
4340 Von Karman Ave STE 370, Newport Beach, CA
i
Schubert Investigations

Schubert Investigations

(19)
  • Professional
“I would like to thank him individually and the entire company for delivering such outstanding and professional service for their clients and know that this brief review cannot encompass the full experience of being helped when so many other people ha...”
Serving Fullerton Area
i
GA Tucker PI Investigative Services

GA Tucker PI Investigative Services

(4)
Custom
“Due to the nature of the hearing, we had a shortened service window in which Greg made three attempts to serve the other party and sent proof of service and declaration to the court within the time frame.”
Licensed
In Business Since 2018
Emergency Services
Serving Fullerton Area
i
Orange Detective Agency

Orange Detective Agency

(3)
“As a practicing attorney in California, I trusted Ali and his team to help collect on a difficult judgment.”
Free Initial Consultation
In Business Since 2008
100 Spectrum Center Dr 9th floor, Irvine, CA
i

Private Detective Services in Fullerton, CA Cost Estimates

Minimum cost
$359
Maximum cost
$11357
National Average
$1435
Avg Per Hour Rates
$150
$837
$2391
Average price range is based on 388 cost profiles
Click to copy
Successfully copied!
Average Cost $1435
Minimum cost $359
Maximum cost $11357
Avg Per Hour Rates $150

Typical range $837 to $2391 is based on 388 cost profiles.

Why these companies made our list

Is this page useful? Yes
No
Is there anything wrong with this page?
Back To Top