How to Get a Private Investigator License in Maryland



In this article, I’ll explain how to get a Private Investigator license in Maryland. First, I’ll explain how the government department handles the licensing process. Then, I’ll suggest joining an industry association and where to get training and education.

Maryland Private Investigator Licensing Requirements

The Maryland State Police, PI Licensing Division, handles Private Investigator Licensing in Maryland.  The Licensing Division is responsible for administering the law and conducting investigations concerning the licensing of Private Detectives, Private Detective Agencies, Security Guards and Security Guard Agencies, Security Systems Technicians, and Security Systems Agencies.

Following is the mailing address for the division:

Maryland Department of State Police
Support Services Bureau
Licensing Division
1111 Reisterstown Road
Baltimore MD 21208

Please note that requirements may change, so please visit the website for the most up-to-date instructions related to the licensing application process. Other special licensing requirements such as education, experience, examinations, and insurance may be required.

The Private Investigator’s Licensing Handbook: How to Get a Private Investigator License in any State
Considering a career as a private investigator? Dive into this book to explore services offered, learn about the work environment, career prospects, and salaries. Discover state-specific licensing requirements, training resources, and industry associations. Already a PI? Use it to learn about licensing in other states. Also, agencies can guide new hires through the licensing process. This edition includes enhanced training recommendations, suggestions for starting a new business, how to join an association, and updated state information. It’s your essential starting point on the path to becoming a private investigator.

Maryland Private Investigator Associations

Professional Investigators Alliance of Maryland – Professional Investigators Alliance of Maryland (P.I.A.M.) was formed in 1994 by a group of professionals with common interests, goals, and needs.

The Alliance advances the profession of certified investigators, representing the profession before the legislature, working to eliminate unreliable, incompetent, and unlicensed individuals, promoting and maintaining the highest ethical standards, and offering resources for continuing education. P.I.A.M represents private eye interests in the investigative industry in the State of Maryland.

Maryland Investigators and Security Association – An association of investigative and security professionals.

Additional Information

Private Investigator Training Resources – Improve your chances of getting licensed by completing a private investigator degree program, training course, or home study course. Learn what options are available to get the private investigation knowledge necessary to get licensed.

Find a Private Investigation Agency in Maryland – To find a private investigator in Maryland, visit our directory of private eyes and private investigation agencies. Our directory may also help you find a private investigation agency to sponsor you as a beginning private investigator.


If you have any questions about how to get a private investigator’s license in Maryland, please post a comment below.

Michael Kissiah is the owner of Brandy Lane Publishing, LLC, which owns and operates a small portfolio of websites, including Michael created more than 20 years ago after working as a private investigator in the state of Florida. Since that time, he has become an expert at how to find information online and has written over 1000 articles on topics related to the investigation industry. In addition, he is the author of the "Private Investigator Licensing Handbook", available at


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