Best Private Investigators near Eastvale, CA

These agencies serve Eastvale from nearby bases in towns including Riverside, Rancho Cucamonga and Tustin.

24 agencies listed · 2 open 24/7 · 11 open weekends · 18 rated 4.5+ · 11 show a license

Data verified October 16, 2026

Clete Security Services, Esq.

Clete Security Services, Esq.

(12)
  • Patrols
  • Company
“Currently, Clete Security Services, provides our Church/Preschool with early morning and evening patrols, primarily to provide a safe environment for our staff & volunteers as they begin/end their day.”
Coupons & Offers
In Business Since 2020
154-A W Foothill Blvd #370, Upland, CA
i
Bosco Legal Services

Bosco Legal Services

(18)
  • Job
  • Company
  • Asset
“Not only did they go way above and beyond, they also were very understanding of my newbie and clueless status, very helpful and very accommodating to my communication needs.”
Family Business
Licensed
In Business Since 2005
Free Initial Consultation
4651 Brookhollow Cir Suite C, Riverside, CA
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Southern California Private Investigations

Southern California Private Investigations

(2)
“I recommend Southern California Private Investigations Inc 100%”
Licensed
In Business Since 1992
Emergency Services
310 W First St, Tustin, CA
i
Tag Force Security & Patrol Services

Tag Force Security & Patrol Services

(3)
“This company is so great the supervisor is someone who will do the most for you and asks for a tiny return just show up and do your job I am so greatful and so blessed to be there thank you Tagforce”
Licensed
In Business Since 2007
Free Initial Consultation
Serving Eastvale Area
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R.H. Young

R.H. Young

(6)
  • Process Server
“I can say without reservation that NTIS has been the most responsive to my needs and they have provided affidavits admissible in court to prove that we did our due diligence in notifying the tenants, thus protecting our clients and their estates.”
Licensed
In Business Since 2013
Free Initial Consultation
Serving Eastvale Area
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RJN Investigations

RJN Investigations

(1)
“Extremely knowledgeable, pointed me in the right direction.”
Remote Consultations Available
30+ Years Experience
Serving Eastvale Area
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The 24 agencies on this page are the private investigators listed for Eastvale, 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: Eastvale, CA

21 of the 24 agencies on this page have a rating, from 3.8 to 5.0 across 137 reviews; 18 are rated 4.5 or higher. 2 are open around the clock; 10 are open on Saturdays and 6 on Sundays. 11 show a license on their websites and 2 have a BBB rating of A or A+. 17 have ten or more years of experience, the longest 62 years. 2 offer urgent consultations; 1 offers remote or virtual consultations; 5 offer a free initial consultation; 2 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 22 of the agencies on this page; 15 publish a contact page and 10 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 Eastvale describe their work online?

22 of the 24 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.

GET BIT Investigations

GET BIT Investigations

“During Luis's career with the Riverside County District Attorney's office, Luis was honored with nominations for “Riverside County District Attorney's Investigator of the Year” and “California Latino Investigator of the year.” Luis also received a no...”
Licensed
In Business Since 2008
3380 La Sierra Ave suite 104 284, Riverside, CA
i
Ci&s Investigations

Ci&s Investigations

(9)
“The results were beyond expected and due to the diligence and investigative methods of CIS investigation firm I was able to present the findings to the court in my favor winning me sole custody of my child.”
Free Initial Consultation
In Business Since 2018
Serving Eastvale Area
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Blumenthal & Moore

Blumenthal & Moore

(12)
  • Constitution
  • Law Firm
  • Case
“If you are looking for top level professional legal representation and a positive resolution to your legal matter, The Blumenthal Law Office is your best option.”
BBB Rating: A+
In Business Since 1980
Accepts All Major Credit Cards
3993 Market St, Riverside, CA
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AIB

AIB

(2)
“POV: You Searched This”
Licensed
In Business Since 1980
161 Fashion Ln #200, Tustin, CA
i
Pyrocop

Pyrocop

(1)
“Called for sprinkler products, which they don't sell, but unlike most other places I called, he used his expertise answering a few questions and helped me find them.”
In Business Since 2005
9431 Haven Ave suite 210, Rancho Cucamonga, CA
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Stone Investigation Services

Stone Investigation Services

(2)
“Has made a big difference in our cases.”
Free Initial Consultation
In Business Since 2023
Family Business
16155 Sierra Lakes Pkwy #160-126, Fontana, CA
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Inland Professional Investigations

Inland Professional Investigations

(4)
“Organized, professional, and efficient.”
Licensed
In Business Since 2023
Serving Eastvale Area
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PAX Investigations

PAX Investigations

(4)
  • Attention
  • Team
“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.”
Licensed
In Business Since 2022
Serving Eastvale Area
i
Pac Rim Investigative Services Group

Pac Rim Investigative Services Group

(1)
“Good people”
Licensed
In Business Since 1999
Serving Eastvale Area
i
Smarthire

Smarthire

(1)
“Back ground checks and private investigating”
In Business Since 1964
2250 Lindsay Way, Glendora, CA
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Fugitive Recovery Agent

Fugitive Recovery Agent

(1)
“No fuss”
Upland, CA
i
Integrity Legal Support Services

Integrity Legal Support Services

(7)
  • Documents
“In the past, I had been disappointed several times by other vendors in the Inland Empire, but since I found Integrity Legal Services, I have been blown away by their extraordinary customer service.”
Accepts All Major Credit Cards
In Business Since 2000
Transparent Fees & Pricing
Serving Eastvale Area
i
XPD Investigations

XPD Investigations

“XPD Investigations conducts background checks of applicants for the positions of Police Officer, Deputy Sheriff, Firefighter, Private Security, Dispatcher, as well as Civilian positions within Southern California.”
Licensed
In Business Since 2014
7349 Milliken Ave Ste. 140-111, Rancho Cucamonga, CA
i
Silva Investigations

Silva Investigations

“SILVA INVESTIGATIONS INC is owned and operated by Mr. Vincent Silva, a respected professional licensed Private Investigator in the industry. He has provided successful investigations for the private sector, law firms, self-insured employers, third pa...”
Emergency Services
In Business Since 2010
360 E 1st St #191, Tustin, CA
i
Joe Mar Polygraph & Investigation Services

Joe Mar Polygraph & Investigation Services

(4)
“Remember have integrity be honest and you will do fine.”
Licensed
In Business Since 2019
Serving Eastvale Area
i
Michael Whedon Investigations

Michael Whedon Investigations

(1)
“He is my father-in-law .”
In Business Since 2004
16453 Sun Summit Dr, Riverside, CA
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Cobalt Consulting and Investigations

Cobalt Consulting and Investigations

“Our Investigators expertise include; Anti-piracy, Computer Forensics, Corporate Investigations, Employment Backgrounds, Litigation Support Services & Strategies, Threat Assessment, Executive Protection, Work Place Violence, Workers Compensation Inves...”
Accepts Paypal
In Business Since 2014
Serving Eastvale Area
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Streamline Investigations

Streamline Investigations

“Find out how an insurance fraud investigation is conducted and learn about types of insurance fraud, including car, health, home, life, insurance company, and workers compensation fraud.”
In Business Since 2003
6649 Amethyst Ave #9094, Rancho Cucamonga, CA
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Private Detective Services in Eastvale, CA Cost Estimates

Minimum cost
$326
Maximum cost
$10304
National Average
$1302
Avg Per Hour Rates
$136
$760
$2170
Average price range is based on 512 cost profiles
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Average Cost $1302
Minimum cost $326
Maximum cost $10304
Avg Per Hour Rates $136

Average range $760 to $2170 is based on 512 cost profiles.

Why these companies made our list

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