Professional Examiners Trained to APA Standards
140+ Professional Testing Locations Across the U.S. & Canada
Trusted by 10,000+ Clients, Attorneys & Organizations
LieDetectorTest.com Private & Confidential Polygraph Provider
Polygraph Testing Coverage

Lie Detector Test in Westchester County, New York

Professional, confidential polygraph examinations across Westchester County — all-inclusive pricing, no hidden fees, and same-day results from examiners trained to APA standards.

10Offices in county
$600+All-inclusive from
YonkersCounty seat
922KPopulation
Testing offices serving Westchester CountyAll prices in USD, all-inclusive
Armonk 200 Business Park Drive, Armonk, NY, 10504 · 5 mi from Yonkers
$700single
$1,300couple
$475group pp
Briarcliff Manor 555 Pleasantville Road, Briarcliff Manor, NY, 10510 · 4 mi from Yonkers
$700single
$1,300couple
$475group pp
Harrison 500 Mamaroneck Avenue, Harrison, NY 10528 · 9 mi from Yonkers
$650single
$1,200couple
$565group pp
Hawthorne 7 Skyline Drive, 3rd Floor, Hawthorne, NY, 10532 · 1 mi from Yonkers
$700single
$1,300couple
$475group pp
New Rochelle 173 Huguenot St, New Rochelle, NY 10801 · 12 mi from Yonkers
$700single
$1,300couple
$475group pp
Purchase 287 Bowman Avenue, 2nd Floor, Purchase, NY, 10577 · 5 mi from Yonkers
$700single
$1,300couple
$475group pp
Rye 411 Theodore Fremd Ave South, Rye, NY 10580 · 9 mi from Yonkers
$700single
$1,300couple
$475group pp
Rye Brook 800 Westchester Avenue, Rye Brook, NY, 10573 · 7 mi from Yonkers
$700single
$1,300couple
$475group pp
Tarrytown 520 White Plains Road, Tarrytown, NY, 10591 · 4 mi from Yonkers
$700single
$1,300couple
$475group pp
Yonkers 73 Market Street, Yonkers, NY 10710 · 12 mi from Yonkers
$600single
$1,100couple
$475group pp
Only a $100 deposit secures any booking — refunded in full if we can’t book you, deducted from your total once your appointment is confirmed. Appointment required — no walk-ins.
About

Polygraph Testing in Westchester County

Westchester County is one of New York's most affluent and densely populated suburban counties, home to nearly 922,000 residents across a diverse mix of historic villages, commuter towns, and corporate centers stretching from the banks of the Hudson River to Long Island Sound. Its economy blends Fortune 500 headquarters, healthcare systems, higher education, and a robust professional services sector. We maintain ten testing locations throughout the county, including offices in Yonkers, New Rochelle, Harrison, Rye, Tarrytown, Rye Brook, Purchase, Armonk, Hawthorne, and Briarcliff Manor, giving residents and businesses convenient access regardless of where they are in the county.

Every examiner conducting polygraph sessions in Westchester County operates under binding professional obligations that govern the integrity of results. Our Code of Ethics mandates impartiality, factual reporting, full respect for examinee rights, and a prohibition on any incentive structure that could influence test outcomes. Our Standards of Practice further require the use of validated questioning techniques, properly calibrated instrumentation, controlled testing environments, and secure long-term record retention. Together, these documents form a comprehensive professional framework that clients can rely on for credible, defensible results.

Consistency across locations is maintained through our Operating Framework, which addresses examiner vetting, ongoing quality assurance reviews, client data handling protocols, and standardized results communication. Whether you schedule a session in Yonkers or at any of our 140+ locations across North America, the same rigorous procedures apply, ensuring that the quality of your examination never varies based on geography.

Polygraph testing in Westchester County starts at $600 in select locations, with all fees quoted on an all-inclusive basis and no hidden charges. Couple and group testing arrangements are available for situations involving multiple examinees. Contact us to book your appointment at the Westchester County location most convenient for you.

Every polygraph examination in Westchester County is conducted by a professionally trained examiner operating under our published Code of Ethics, Standards of Practice, and Operating Framework — impartial testing, validated techniques, complete confidentiality, and factual reporting on every case.
Why & How

Common Reasons for Testing in Westchester County

Infidelity & Relationship TrustThe most common reason for private polygraph testing in Westchester County. A lie detector test provides objective clarity where emotions run high.
False Accusation DefenseA polygraph examination provides independent, professional evidence of your truthfulness that can support your position in personal, workplace, or legal disputes.
Theft & Employee IntegrityBusinesses use polygraph examinations to investigate internal theft, fraud, and breaches of trust. EPPA guidelines permit specific investigation-related testing.
Personal Peace of MindMany clients schedule polygraph tests to resolve lingering doubts, confirm trust before major life decisions, or settle disputes that conversation alone cannot resolve.

What to Expect — Four Steps from Booking to Report

1Book onlineSelect your location, test type, and preferred dates through our secure booking system.
2Pre-exam formComplete a confidential questionnaire about the matter to be examined.
3ExaminationA thorough pre-test interview followed by the polygraph examination.
4Results & reportA detailed written report with the examiner’s professional opinion, typically same day.

Preparation tip: get a good night’s sleep, avoid excessive caffeine, and arrive 10 minutes early. The best preparation is simply to be well-rested and ready to answer questions honestly.

Coverage & The Law

Westchester County Coverage

Cities We Serve Near Westchester County

Nearby service areas ranked by population — showing the 6 largest.

Neighboring Counties

The federal Employee Polygraph Protection Act (EPPA) restricts most private employers in Westchester County from requiring lie detector tests for hiring or employment purposes. Narrow exceptions exist for security-related roles, pharmaceutical positions, and specific theft investigations with proper procedural safeguards.

For a complete breakdown of New York’s polygraph statutes and regulations, visit our New York Polygraph Legal Guide.

Office Finder

Which office is closest to you?

The offices above are the ones serving Westchester County. If you are nearer a county or state line the closest office may not be one of them — enter your zip code, town or address to see the nearest offices anywhere in our network, with distances, prices and real drive times.

Examiner Standards

Examiner Standards in Westchester County

New York does not license polygraph examinersAnyone can legally offer testing in New York — which makes an examiner’s training, professional membership, and published standards the only real guarantees. Here is what we verify for every examiner serving Westchester County.

Every Examiner We Assign Meets All of These Criteria

  • Graduate of an APA-accredited polygraph program (400+ hours)
  • Current membership of the APA and the state association
  • Experience & examination history reviewed
  • Professional liability insurance in place
  • Validated techniques on calibrated instruments
  • Bound by our Code of Ethics & Standards of Practice
  • Ongoing performance monitoring

Professional Bodies in New York

National body — all our examiners American Polygraph Association (APA) · Est. 1966 →

Membership binds an examiner to a code of ethics, continuing education, and peer accountability. Read about our examiners and our operating framework.

FAQ

Frequently Asked Questions — Westchester County

How much does a polygraph test cost in Westchester County?
A single-person polygraph test in Westchester County ranges from $600 to $700 depending on your chosen location. This is an all-inclusive price covering the examiner, private office facility, pre-examination assessment, the polygraph examination itself, and a detailed written report.
Where can I take a lie detector test in Westchester County?
We have 10 locations across Westchester County: Armonk, Briarcliff Manor, Harrison, Hawthorne, New Rochelle, Purchase, Rye, Rye Brook, Tarrytown, Yonkers. Each location offers a private, discreet office environment. All appointments must be booked online in advance.
Are polygraph results admissible in New York courts?
Court admissibility of polygraph results varies by state. For a detailed overview of New York's polygraph laws, see our New York Polygraph Legal Guide. Many clients use our services for private matters where court admissibility is not the primary concern.
How do I book a polygraph test in Westchester County?
All appointments are scheduled online through our secure booking system. Select your preferred Westchester County location, choose your test type, and pick available dates. Appointments are typically available within 3-7 days.
How long does a polygraph examination take?
A typical polygraph examination takes approximately 90 minutes to 2 hours. This includes a thorough pre-test interview, the polygraph examination itself (typically 3-5 relevant questions), and a post-test discussion. Results are usually communicated on the same day.
Can my employer require me to take a polygraph test?
Under the federal Employee Polygraph Protection Act (EPPA), most private employers cannot require employees or job applicants to take a polygraph test. Narrow exceptions exist for certain security, pharmaceutical, and specific theft investigation situations. Government employers are exempt from EPPA restrictions.

Book Your Test in Westchester County

Choose any of our 10 Westchester County offices — professional, discreet, and accurate. Only a $100 deposit to book.

Page last updated: June 10, 2026 at 7:09 AM
Need to book now? Our online booking system is open 24/7. Speak directly with our team about your test or booking.