Delaware — Polygraph TestingLocations & Pricing

Lie Detector Test Delaware

Wilmington

Professional, confidential polygraph testing in the Wilmington area and throughout the state. Examiners trained to APA standards, controlled-environment offices, same-day results.

Admissibility varies
1 office statewide
From $750 all-in
Same-day result
Examiners trained to APA standards Direct line: (844) 643-8916 Book online →
Locations & Prices

Delaware Testing Locations & Prices

All-inclusive rates, listed by office. Search above to sort by distance from you.

Wilmington 1000 N West St, Wilmington, DE 19801
$7501 examinee
$1,4002 examinees
$700per examinee
Overview

Delaware's polygraph testing service provides residents of the First State with convenient access to professional examinations. Our Wilmington-area offices serve clients from across Delaware, as well as those in nearby parts of Pennsylvania, Maryland, and New Jersey.

A lie detector test in Delaware costs between $750 and $750 depending on location. All prices are all-inclusive — covering the booking fee, an examiner trained to APA standards, private office, pre-test assessment, full polygraph examination, and a detailed written report. Only a $100 refundable deposit is required to book: refunded in full if we can’t book you, deducted from your total once your appointment is confirmed.

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Polygraph Law
Delaware
Polygraph
Statutes
Admissibility varies

Admissibility in Delaware courts

Delaware generally does not admit polygraph results in court proceedings. Results may be considered in probation and parole contexts at judicial discretion.

Workplace polygraph law (EPPA)

Federal EPPA applies to private employers. Delaware state agencies may use polygraph for law enforcement hiring.

References: Admissibility by State Guide · EPPA Guide · Fraud alerts · Our standards of practice

Examiner Standards

Polygraph Organizations & Examiner Standards in Delaware

These are the professional bodies that set and police examiner standards in Delaware. Membership is voluntary — which is exactly why it matters: it binds an examiner to a code of ethics, continuing education, and peer accountability.

National body — all our examiners American Polygraph Association (APA)
Est. 1966 · 118 Lee Parkway Dr., Chattanooga, TN 37421 (PO Box 8037, Chattanooga, TN 37414-0037)

The world's leading professional polygraph organization, representing more than 2,800 experienced polygraph examiners in private business, law enforcement, and government across 60+ countries.

Full profile →
Delaware association Delaware Polygraph Association
526 Cricket Lane, Hockessin, DE 19707-9257 (former)
Full profile →

Every Examiner We Assign in Delaware Meets All of These Criteria

APA-accredited trainingGraduate of a polygraph program accredited by the American Polygraph Association — a minimum of 400 hours of formal instruction.
Current professional membershipActive membership of the APA and, where one exists, the state polygraph association — verified when they join us and re-checked periodically.
Experience reviewedExamination history, references, and specialisms are reviewed before an examiner takes their first booking through us.
Professional liability insuranceOur examiners carry professional liability cover for their examination work — protection a private individual rarely thinks to ask about.
Validated techniques & calibrated instrumentsOnly scientifically validated formats on professionally calibrated digital instruments.
Bound by published rulesOur Code of Ethics, Standards of Practice, and Operating Framework — in writing, with a documented complaints route.
Ongoing monitoringPerformance, punctuality, and report quality are monitored across every booking — examiners who fall short leave the network.

Booking Through Us vs. Finding an Examiner on Your Own

On your own

  • You must confirm the training school is genuinely APA-accredited — many “certificates” come from unaccredited courses.
  • You must check that memberships are real and have not lapsed.
  • Few people think to ask about professional liability insurance.
  • A sole operator often has no published standards and no complaints route.
  • You may pay in full for a test your situation is not suitable for.

Booking through us

  • Training, accreditation, and credentials already verified.
  • Memberships checked and kept current.
  • Professional liability insurance in place.
  • Published Code of Ethics, Standards of Practice, and complaints procedure.
  • Every case reviewed first — if it’s unsuitable, your $100 deposit is refunded in full.
Book a vetted examiner →
FAQ

Frequently Asked Questions — Delaware

Q.01How do I book a lie detector test in Delaware?
Book online 24/7 through our secure booking system. Choose your preferred Delaware location, select a date and time, and pay the $100 booking fee. Confirmation is sent via SMS and email within 24 hours.
Q.02How much does a polygraph test cost in Delaware?
Prices in Delaware range from $750 to $750 depending on location. All prices are all-inclusive — booking, examination, pre-test consultation, and detailed written report. Only a $100 deposit is required upfront.
Q.03How many testing locations do you have in Delaware?
We currently operate 1 controlled-environment offices across Delaware in Wilmington. Each office is a professional, private testing environment.
Q.04Are polygraph results admissible in Delaware courts?
Delaware generally does not admit polygraph results in court proceedings. Results may be considered in probation and parole contexts at judicial discretion. We provide detailed written reports and expert testimony where required. See our admissibility guide.
Q.05Are your examiners in Delaware certified?
Every examiner is a member of the American Polygraph Association (APA) and is trained to their professional standards. Our five-step vetting process covers credentials, experience, ethics, equipment, and ongoing performance monitoring.
Q.06How long does a polygraph examination take?
A typical examination takes 90 minutes to 2 hours. This includes a pre-test interview, the polygraph examination (questions repeated minimum 3 times), and a post-test review. Results are provided same-day.

Book Your Test in Delaware

Only a $100 deposit — select your location, date, and time. Confirmation sent instantly.

Don’t see your city listed? We may be able to arrange a professional examiner near you — call (844) 643-8916 or contact us online.
Page last updated: June 10, 2026 at 11:14 PM

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