How To Become a Licensed Private Investigator in Maryland

Private Investigator License Maryland
A bridge in Maryland

Maryland Private Investigator Licensing Requirements

Private Investigator Licensing in the State of Maryland is handled by the Maryland State Police, PI Licensing Division.  The Licensing Division is responsible for administering the law and conducting investigations concerning the Commissioning of Special Police and Railroad Police Officers, the licensing of Private Detectives, Private Detective Agencies, Security Guards and Security Guard Agencies, the licensing of Security Systems Technicians and Security Systems Agencies, the registration of Maryland Law Enforcement canine dogs, the registering of eavesdropping, wiretapping and electronic listening devices, issuance of Outdoor Musical Festival Safety Permits and Vessel Gaming Permits, issuance of State of Maryland Handgun Permits and Law Enforcement Officer Safety Act certifications, and the designation of State of Maryland Qualified Handgun Instructors.

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 requirements, experience requirements, examinations, and insurance may be required. If you need more help getting a Private Investigator License in Maryland, check the state licensing website for specific details or the Private Investigator’s Licensing Handbook.

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 who had common interests, goals and needs. The purpose of the Alliance included but were not limited to: Advancing the profession of certified investigators,Representing the profession before the legislature, working to eliminate unreliable, incompetent and unlicensed individuals in the profession, and to promote and maintain the highest ethical standards, offering resources for continuing education. P.I.A.M represents private eye interests in the investigative industry in the State of Maryland. There are troubling consequences of new laws and proposed legislation that threaten to cripple our industry. P.I.A.M. just might be the answer to helping you maintain your business and become more successful through education, information and networking.

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.

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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