Lie Detector Test Maryland
Professional, confidential polygraph testing from Baltimore through the DC suburbs to Annapolis. Examiners trained to APA standards, controlled-environment offices, same-day results.
Maryland Testing Locations & Prices
All-inclusive rates, listed by office. Search above to sort by distance from you.
Maryland's polygraph services centre on the Baltimore-Washington corridor, one of the nation's most densely populated regions. Our examiners trained to APA standards operate in professional offices serving clients from across the state — from Baltimore's urban core to the DC suburbs and Maryland's Eastern Shore.
A lie detector test in Maryland costs between $900 and $900 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.
Browse Maryland by county
Polygraph
Statutes
Admissibility in Maryland courts
Maryland courts exclude polygraph evidence in criminal proceedings. Polygraphs are used in probation compliance and sex offender management. Federal agencies in the DC-Maryland area are significant users of polygraph testing.
Workplace polygraph law (EPPA)
Federal EPPA applies to private employers. Maryland has state-level restrictions under Labor & Employment §3-702 prohibiting employers from requiring polygraph tests.
References: Admissibility by State Guide · EPPA Guide · Fraud alerts · Our standards of practice
Polygraph Organizations & Examiner Standards in Maryland
These are the professional bodies that set and police examiner standards in Maryland. Membership is voluntary — which is exactly why it matters: it binds an examiner to a code of ethics, continuing education, and peer accountability.
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 →Every Examiner We Assign in Maryland Meets All of These Criteria
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.
Frequently Asked Questions — Maryland
Q.01How do I book a lie detector test in Maryland?
Q.02How much does a polygraph test cost in Maryland?
Q.03How many testing locations do you have in Maryland?
Q.04Are polygraph results admissible in Maryland courts?
Q.05Are your examiners in Maryland certified?
Q.06How long does a polygraph examination take?
Book Your Test in Maryland
Only a $100 deposit — select your location, date, and time. Confirmation sent instantly.