| 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 |