Private Investigator / Maryland
2026 data Maryland board official source

Maryland Private Investigator License Requirements

Compiled from official source data by PlainCredential

Official regulator records behind the requirements, fees, and renewal cycle for this license.

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Conducts investigations for private clients and attorneys.

What the Maryland data shows for Private Investigators

Maryland's path to private investigator licensure runs through 3,986 hours of approved instruction, 3 years of supervised work experience, and a passing score on State Private Investigator Exam, plus a criminal history screening before applicants younger than 18 can be licensed. Maryland folds the credential into its broader occupational licensing statute, which classifies the training track as "Training or Experience".

Upfront cost is $282, with renewal running $249 on a 2-year cycle. Maryland doesn't require continuing education for this license, so upkeep costs stay confined to the renewal fee itself.

For private investigators, the reciprocity picture is: Not typically reciprocal — state-specific.

Licensing Requirements in Maryland

Education / Training Hours
Training or Experience
3,986 hours
Exam Requirement
State Private Investigator Exam
Required
Initial License Fee
$282
Renewal Fee
$249
Renewal Cycle
Every 2 years
Continuing Education
Not required
Criminal History Check
Required
Minimum Age
18 years
Work Experience Required
3 years

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Compare all states for Private Investigator All Maryland licenses
Data sources: NCSL Occupational Licensing Database, Institute for Justice, state licensing boards. Verify current requirements with Maryland licensing authorities before making career decisions.

Frequently Asked Questions

What license do I need for Private Investigator in Maryland? ▼
Maryland requires 3986 education/training hours, passing an exam (State Private Investigator Exam), and an initial fee of $282. A criminal background check is also required.
How do I get certified as a Private Investigator in Maryland? ▼
Maryland licenses private investigators who complete its requirements (3986 education hours, 3 years of experience) and a passing exam. Verify the latest details with the Maryland licensing board.
Can I transfer my Private Investigator license to Maryland from another state? ▼
For private investigators, the reciprocity landscape looks like this: Not typically reciprocal — state-specific. Many professions are also covered by interstate licensing compacts that facilitate portability between states. Contact the Maryland licensing board to confirm how it applies to your specific credential.
Does Maryland require a background check for Private Investigator licensing? ▼
Yes, Maryland requires a criminal background check as part of the private investigator licensing process. Disqualifying offenses and review criteria are determined by the state licensing board.

Related Guides

Source: NCSL Occupational Licensing Database, Institute for Justice License to Work (3rd Ed.), state licensing board websites NCSL Occupational Licensing Database, Institute for Justice License to Work (3rd Ed.), state licensing board websites

Read our methodology - how this data is sourced, computed, and verified.