Best Private Investigators near Clarkstown, NY

These agencies serve Clarkstown from nearby bases in towns including Pearl River, White Plains and New City.

15 agencies listed · 2 open 24/7 · 9 open weekends · 11 rated 4.5+ · 2 show a license

Data verified October 27, 2026

Cop Call Private Investigations

Cop Call Private Investigations

4.8 28 reviews
“It was impressive and appreciated, i not only give a good review, i respect this company, and i highly, HIGHLY, recommend it.”
Free phone consultationNew York PI license #11000188552Responds within 24 hoursServes NY, NJ +5Since 2004Open 24 hours
Pearl River, NY · 6 mi from Clarkstown
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Fletcher Recovery Group

Fletcher Recovery Group

4.1 47 reviews
“They were able to get my funds back to me easily and quickly.”
Since 2007
Mt Kisco, NY · 13 mi from Clarkstown
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Compass Investigators Adjstrs

Compass Investigators Adjstrs

4.6 7 reviews
“They quickly and professionally resolved all issues in the most advantageous manner to my clients.”
Serves Tri-State areaLicensedSince 2002
White Plains, NY · 13 mi from Clarkstown
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MJS Investigations,llc

MJS Investigations,llc

5.0 12 reviews
“Great staff, very knowledgeable and were able to help with backgrounds and process service.”
Since 2015
White Plains, NY · 13 mi from Clarkstown
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C J Security Services

C J Security Services

4.7 9 reviews
Since 1987
Nanuet, NY · 4 mi from Clarkstown
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Janco Security

Janco Security

5.0 3 reviews
“Explained how to use the system until I felt comfortable with use.”
Coupons & offersFree consultationSince 2010
New City, NY · 2 mi from Clarkstown
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The 15 agencies on this page are the private investigators listed for Clarkstown, NY. 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: Clarkstown, NY

14 of the 15 agencies on this page have a rating, from 3.7 to 5.0 across 221 reviews; 2 have 50 or more reviews and 11 are rated 4.5 or higher. 2 are open around the clock; 8 are open on Saturdays and 7 on Sundays. 2 show a license on their websites. 12 have ten or more years of experience, the longest 39 years. 2 offer urgent consultations; 3 offer a free initial consultation and 1 lists coupons or special offers. We have a website on file for 14 of the agencies on this page; 13 publish a contact page and 13 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 Clarkstown describe their work online?

14 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.

Trinity Investigative Group

Trinity Investigative Group

5.0 3 reviews
“He quickly tracked down an individual who owed me money.”
Serves NYC, Westchester +2Since 2018
White Plains, NY · 13 mi from Clarkstown
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Bauer Trial Preparation & Investigations

Bauer Trial Preparation & Investigations

5.0 1 review
“The Best in the Business !!!!”
LICENSE #1100016176Since 2009
Montvale, NJ · 8 mi from Clarkstown
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RGA Investigations and Security

RGA Investigations and Security

Since 1998
New City, NY · 2 mi from Clarkstown
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Elite Investigations

Elite Investigations

3.9 17 reviews
“They are the number 1 agency in security companies.”
Since 1980
Yonkers, NY · 14 mi from Clarkstown
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Goldrick and Desmond Investigative

Goldrick and Desmond Investigative

Since 1996
Pearl River, NY · 6 mi from Clarkstown
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Heathcote Investigations

Heathcote Investigations

Free consultationServes North America, South America +2Open 24 hours25+ years
14 mi from Clarkstown
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Northern Investigator Services,llc

Northern Investigator Services,llc

5.0 5 reviews
“The team at Northern Investigator Services conducted a thorough investigation on my behalf and promptly delivered a comprehensive summary of their findings”
Yonkers, NY · 14 mi from Clarkstown
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Safeline Investigation & Security Corp.

Safeline Investigation & Security Corp.

Serves Westchester, Putnam +4Since 2020
Thornwood, NY · 10 mi from Clarkstown
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Legacy Estate Organizing & Investigation

Legacy Estate Organizing & Investigation

3.7 2 reviews
“Legacy Estate Organizing efficiently handled my disorganized mess of my parents' accounts, and saved me time and money by interfacing with my estate attorneys.”
Free consultationSince 2016
Pearl River, NY · 6 mi from Clarkstown
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Why these companies made our list

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