Private Investigator Licensing by State (2025 Edition)

Always verify with your state’s official licensing board for the most current information.
State Requirement 1 Requirement 2 Requirement 3
Alabama Minimum age 21 Background check required License issued by Alabama PI Board
Alaska No statewide license Local municipalities may regulate Business license required
Arizona Minimum age 21 3 years experience or equivalent Exam & license required
Arkansas Minimum age 21 Background check & fingerprints Exam required
California Minimum age 18 3 years investigative experience Exam & BSIS license required
Colorado No statewide license Local regulation applies Business license required
Connecticut Minimum age 25 5 years law enforcement/PI experience License from Commissioner of Emergency Services
Delaware Minimum age 21 Sponsored by law enforcement agency License from State Police
Florida Minimum age 18 40 hours state-approved training Class C license required
Georgia Minimum age 18 Employed by licensed agency License issued by Georgia Board
Hawaii Minimum age 18 4 years investigative experience License issued by Board of Detectives
Idaho No statewide license Business license required Check local regulations
Illinois Minimum age 21 3 years experience or criminal justice degree Exam required, licensed by IDFPR
Indiana Minimum age 21 Background check required License issued by State Board
Iowa Minimum age 18 Background check & insurance required License from Dept. of Public Safety
Kansas No statewide license Business license required Local regulations apply
Kentucky Minimum age 21 Background check required License from Kentucky Board of Licensure
Louisiana Minimum age 18 Background check required License from Louisiana State Board
Maine Minimum age 21 Background check required License issued by Chief of State Police
Maryland Minimum age 25 5 years law enforcement/PI experience License from Secretary of State Police
Massachusetts Minimum age 18 3 years experience or law enforcement background License from State Police
Michigan Minimum age 25 3 years PI/law enforcement experience License from Michigan Dept. of Licensing
Minnesota Minimum age 18 Pass background check License from Board of Private Detective Services
Mississippi No statewide PI license Business license required Local regulations may apply
Missouri Minimum age 21 Background check required License from Board of Private Investigator Examiners
Montana Minimum age 21 3 years investigative experience License from Board of PI & Security
Nebraska Minimum age 21 Background check & fingerprints License issued by Secretary of State
Nevada Minimum age 21 5 years experience or equivalent License from Private Investigator Licensing Board
New Hampshire Minimum age 18 2 years experience License from State Police
New Jersey Minimum age 25 5 years investigative experience License from NJ State Police
New Mexico Minimum age 21 6000 hours investigative experience License issued by NM Regulation Board
New York Minimum age 25 3 years experience or law enforcement License from Department of State
North Carolina Minimum age 18 3 years experience or training License from Private Protective Services Board
North Dakota Minimum age 18 Pass background check License issued by ND PI Board
Ohio Minimum age 21 2 years investigative experience License from Private Investigator & Security Board
Oklahoma Minimum age 18 CLEET training required License from CLEET Board
Oregon Minimum age 18 1500 hours investigative experience License from Department of Public Safety
Pennsylvania Minimum age 25 Background check required License issued by County Court
Rhode Island Minimum age 18 Background check required License issued locally by city/town council
South Carolina Minimum age 18 Background check required License issued by State Law Enforcement Division
South Dakota No statewide PI license Business license required Local regulation may apply
Tennessee Minimum age 21 Training & exam required License from Tennessee PI Board
Texas Minimum age 18 3 years experience or degree License from Texas Department of Public Safety
Utah Minimum age 21 2000 hours investigative experience License from Bureau of Criminal ID
Vermont Minimum age 18 2 years experience or training License from Department of Public Safety
Virginia Minimum age 18 60 hours state-approved training License from Dept. of Criminal Justice Services
Washington Minimum age 18 2000 hours investigative experience License from Department of Licensing
West Virginia Minimum age 18 Background check required License from State PI Licensing Board
Wisconsin Minimum age 18 Pass exam & background check License from Dept. of Safety & Professional Services
Wyoming No statewide PI license Business license required Local regulations may apply