Best Private Investigators in San Jose, CA

24 agencies listed · 10 in San Jose · 6 open 24/7 · 10 open weekends · 14 rated 4.5+

Data verified October 21, 2026

VP Security Services

VP Security Services

(50)
  • Patrol
  • Period
  • Property
“I also recommended his patrol officers to walk to other areas of our complex perimeter to better add security (North and East side of building; all entry gates (many); and our pool area at nighttime.”
Accepts All Major Credit Cards
PPO #120532
In Business Since 2016
888 N First St Suite 222, San Jose, CA
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Atlas Investigations

Atlas Investigations

(24)
  • Information
  • Stars
  • Communication
“Frank Estrella, owner and CEO does exemplary work and my clients have nothing less than happy with his wirk, results, ethics, integrity and ability to do the job right.”
Emergency Services
Free Initial Consultation
Licensed
In Business Since 2005
888 N First St Suite 323, San Jose, CA
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Direct Legal Support

Direct Legal Support

(2)
“Fast, affordable and friendly staff.”
Accepts All Major Credit Cards
Transparent Fees & Pricing
Licensed
In Business Since 1965
1155 N First St #100, San Jose, CA
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Avery & Associates Investigations

Avery & Associates Investigations

(1)
“Avery & Associates conducted an internal investigation for us and were very thorough and professional!”
Emergency Services
In Business Since 2015
111 N Market St Ste 300, San Jose, CA
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San Jose Detective Agency

San Jose Detective Agency

(3)
“Discrete, Honest, Thorough, Very Personable, Extremely Knowledgeable and Tenacious Investigator, In Depth Expertise in ALL types and forms of human behavior, Body Guarding, Executive & Asset Protection, Surveillance/Counter Surveillance, with over ...”
In Business Since 2009
4750 Almaden Expy Ste 124-229, San Jose, CA
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Dietz Associates

Dietz Associates

(2)
“Experienced professionals that get the job done.”
PPO # 16739
In Business Since 1993
1155 Meridian Ave #117, San Jose, CA
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The 24 agencies on this page are the private investigators listed for San Jose, 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: San Jose, CA

10 of the 24 agencies we list are based in San Jose; the other 14 serve San Jose from towns including Campbell (6 mi), Santa Clara (8 mi) and Fremont (17 mi). 17 of the agencies on this page have a rating, from 4.2 to 5.0 across 486 reviews; 3 have 50 or more reviews and 14 are rated 4.5 or higher. The topics that come up most in reviews of the agencies on this page are "communication" and "price". 6 are open around the clock; 10 are open on Saturdays and 9 on Sundays. 7 show a license on their websites and 1 has a BBB rating of A or A+. 19 have ten or more years of experience, the longest 61 years. 6 offer urgent consultations; 3 offer a free initial consultation and 1 is family- or locally-owned. We have a website on file for 23 of the agencies on this page; 20 publish a contact page and 15 list a public email. We count these figures across the agencies on this page; distances are straight-line, and hours and prices change, so confirm the details with the agency before you book.

Why are investigation agencies outside San Jose shown here?

10 of the 24 agencies have an address in San Jose. The others come from other towns. Investigators travel to the subject, so an office one county over is rarely the issue. State licensing is the thing to check.

Conroy and Associates

Conroy and Associates

Free Initial Consultation
Transparent Fees & Pricing
In Business Since 2002
111 N Market St #362, San Jose, CA
i
Jane Doe Investigations

Jane Doe Investigations

Licensed
In Business Since 2018
111 N Market St Suite 300, San Jose, CA
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SCV Security & Investigations

SCV Security & Investigations

In Business Since 2018
1177 Branham Ln, San Jose, CA
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Nero & Associates

Nero & Associates

In Business Since 2009
2033 Gateway Pl #500, San Jose, CA
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Rivera & Associates Private Investigators

Rivera & Associates Private Investigators

(43)
  • Communication
  • Fee
  • Email
“As part of my law practice, I was looking for an investigator to assist me with a very complex Felony criminal case and Roberto has exceeded my expectations.”
Emergency Services
Accepts All Major Credit Cards
In Business Since 2001
Santa Clara, CA · 8 mi from San Jose
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The Freel Agency

The Freel Agency

(1)
“Private Investigation Agency”
Licensed
In Business Since 2005
Morgan Hill, CA · 16 mi from San Jose
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Stryker Investigation Services

Stryker Investigation Services

(1)
“Friendly staff good prices”
Licensed
In Business Since 2014
Campbell, CA · 6 mi from San Jose
i
Robert Ferris Investigations

Robert Ferris Investigations

(2)
“I had a bad experience with another guy, but Robert is more professional and nice.”
In Business Since 2014
5 mi from San Jose
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Infortal Worldwide

Infortal Worldwide

Accepts Check, Paypal
In Business Since 1987
Campbell, CA · 6 mi from San Jose
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Right On Investigations

Right On Investigations

In Business Since 2012
Santa Clara, CA · 8 mi from San Jose
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D&R Legal Process Service

D&R Legal Process Service

(49)
  • Job
  • The Future
  • Company
“Their team of legal support professionals is fast, honest, dependable and responsible, and they provided me with the service that I needed in a timely manner.”
Family Business
In Business Since 2005
Fremont, CA · 17 mi from San Jose
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Western Limited

Western Limited

Accepts All Major Credit Cards
Transparent Fees & Pricing
BBB Accredited
In Business Since 1994
Capitola, CA · 24 mi from San Jose
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S.C. Confidential

S.C. Confidential

(1)
“Fast, reliable, detailed and friendly!”
Emergency Services
In Business Since 2017
Santa Cruz, CA · 25 mi from San Jose
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Di Vita Investigations

Di Vita Investigations

(1)
“He knows what facts are important and relevant to a successful case and has a laser focus on getting the job done.”
In Business Since 2005
Redwood City, CA · 25 mi from San Jose
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Assets Locators

Assets Locators

In Business Since 2017
Fremont, CA · 17 mi from San Jose
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San Francisco & Bay Area Investigations

San Francisco & Bay Area Investigations

(20)
“He's very friendly, kind, patient, and spent time not only suggesting options that best works for me, but educating me on different routes I can take to resolve my matter.”
Free Initial Consultation
Emergency Services
In Business Since 2020
San Francisco, CA · 45 mi from San Jose
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Gotcha Legal Services

Gotcha Legal Services

(24)
  • Information
  • Small Claims Court
  • Questions
“He help walk me through what I needed to do to get the ball rolling and kept in contact with me through the next day which is when the person was served.”
Emergency Services
Accepts All Major Credit Cards
In Business Since 2006
San Francisco, CA · 45 mi from San Jose
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Hollister Process Service

Hollister Process Service

(12)
“I needed help to amend a document that was 5 years old and they helped me out and responded so quickly.”
Accepts Check, Paypal
Transparent Fees & Pricing
BBB Accredited
In Business Since 1995
Hollister, CA · 41 mi from San Jose
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Private Detective Services in San Jose, CA Cost Estimates

Minimum cost
$375
Maximum cost
$11845
National Average
$1497
Avg Per Hour Rates
$156
$873
$2494
Typical price range is based on 548 cost profiles
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Average Cost $1497
Minimum cost $375
Maximum cost $11845
Avg Per Hour Rates $156

Typical range $873 to $2494 is based on 548 cost profiles.

Why these companies made our list

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