Polygraph Testing Coverage

Lie Detector Test in New Castle County, Delaware

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

1Office in county

$750+All-inclusive from

WilmingtonCounty seat

257KPopulation

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Testing offices serving New Castle CountyAll prices in USD, all-inclusive

Wilmington 1000 N West St, Wilmington, DE 19801 · 5 mi from Wilmington

$750single

$1,400couple

$700group pp

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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 New Castle County

New Castle County is Delaware's most populous and economically significant county, home to roughly 257,000 residents and the state's largest city, Wilmington. Long recognized as a major hub for banking, corporate law, and financial services — owing in large part to Delaware's business-friendly legal environment — the county combines a dense urban corridor along the I-95 spine with suburban neighborhoods and rural stretches to the south. This concentration of corporate headquarters, legal professionals, and government institutions creates a steady demand for reliable polygraph services across personal, legal, and employment contexts.

Our examiners in New Castle County operate under binding professional obligations that govern every phase of the testing process. Our Code of Ethics requires strict impartiality, factual reporting of results, full respect for examinee rights, and a prohibition on any incentives that could influence outcomes. These ethical commitments are reinforced by our Standards of Practice, which mandate the use of validated questioning techniques, properly calibrated instrumentation, controlled testing environments, and secure retention of all examination records. Together, these documents establish a professional framework that prioritizes accuracy and fairness in every examination.

Consistency across our network is maintained through our Operating Framework, which defines examiner vetting criteria, ongoing quality assurance protocols, client data handling procedures, and standardized results communication. Whether a client schedules a test at our Wilmington office or at any of our 140+ locations across North America, they can expect the same rigorous standards and professional experience.

Our New Castle County testing center in Wilmington offers private polygraph examinations at an all-inclusive rate of $750 with no hidden fees. Couple and group testing options are available for situations involving multiple examinees. Contact our scheduling team or book online to arrange a convenient appointment time.

Every polygraph examination in New Castle 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 New Castle County

Infidelity & Relationship TrustThe most common reason for private polygraph testing in New Castle 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

New Castle County Coverage

Cities We Serve Near New Castle County

Nearby service areas ranked by population — showing the 1 largest.

NewarkPop. 34K · 12 mi from Wilmington

Polygraph Law in New Castle County

The federal Employee Polygraph Protection Act (EPPA) restricts most private employers in New Castle 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 Delaware’s polygraph statutes and regulations, visit our Delaware Polygraph Legal Guide.

Office Finder

Which office is closest to you?

The offices above are the ones serving New Castle 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 New Castle County

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

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

Delaware association Delaware Polygraph Association →

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 — New Castle County

How much does a polygraph test cost in New Castle County?

A single-person polygraph test in New Castle County ranges from $750 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 New Castle County?

We have 1 location across New Castle County: Wilmington. Each location offers a private, discreet office environment. All appointments must be booked online in advance.

Are polygraph results admissible in Delaware courts?

Court admissibility of polygraph results varies by state. For a detailed overview of Delaware's polygraph laws, see our Delaware 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 New Castle County?

All appointments are scheduled online through our secure booking system. Select your preferred New Castle 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 New Castle County

Choose any of our 1 New Castle County office — professional, discreet, and accurate. Only a $100 deposit to book.

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Page last updated: June 10, 2026 at 6:03 PM