How to Become a Private Investigator in Maine

Whether they work for independently, for an agency or for a large business, private investigators in Maine are responsible helping their clients gather important information. Like many states, Maine requires that its private investigators become licensed. The Main State Police has outlined very specific requirements for becoming a licensed private investigator (PI) that you will need to follow before entering this exciting career.

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Maine Private Investigator License Requirements

Minimum Requirements

  • Age: Private investigators in Maine need to be over the age of 21:
  • Provisional Requirements: A Maine private investigator must be citizens of the United States or a resident alien. You will also need to be certified to use a firearm.
  • Criminal Background Check: You will have to submit to criminal background check before you will be licensed as a private investigator.
  • Discharge from Military: You cannot have a dishonorable military discharge on your record to be a private investigator in Maine.
  • Financial History: Maine does not check the financial history of its private investigators.
  • Mental Health Check: You must sign a release to allow your application to be reviewed by the Dorothea Dix Psychiatric Center and the Riverview Psychiatric Center.
  • Insurance Needed: Maine private investigators are required to purchase a commercial general liability policy from a licensed insurer. The policy must have coverage amounts totaling $10,000 for property damage, $100,000 for each occurrence and a $200,000 general aggregate limit. A surety bond must also be filed with the Maine Chief of Police. These bonds are $10,000 for Maine residents and $50,000 for non-residents.
  • Automatic Disqualifications: Disqualifiers for PIs in Maine include three civil crime convictions in the past five years, three class D or E convictions in the last five years and failure to meet child support obligations.

how to become a private investigator in maine

Education and Experience

  • Degree and/or Accepted Experience: 60 college credits focused on private investigation and 1,200 in an investigative assistant program, three years of experience as an Armed Forces or federal agency investigator, three years’ employment as a law enforcement officer, or six years of experience comprised of at least two years in a criminal justice position and an associate’s degree or 60 credit hours in a PI related field.
  • Written Exams: Applicants must take and pass the Maine Professional Investigators Exam offered by the Maine State Police. The exam is 50 questions and covers laws related to private investigation and Maine criminal statutes. A passing grade is considered 76%.

PI Training Courses in Maine

Maine does not certify any training courses for becoming a private investigator. The majority of your training will take place on the job. However, education is helpful for every career, including private investigators. Many prospective PIs choose to pursue degrees in criminal justice, security management, investigation and other related disciplines.

Forms needed for Detective License in Maine

  • Fees: When you submit your application, you will need to pay a $50 application fee and a $21 record check fee. Also, once you’ve passed your exam, there is a final licensing fee of $450. Included in your application should be all documents necessary for licensure, such as educational records and work history. You also must provide three certification from people who have known you for three years.
  • Registration: If you are currently licensed private investigator in a state other than Maine, you can provide evidence of this to the Maine State Police to be licensed by reciprocity. However, the requirements for licensure in the other state must be similar to Maine.
  • Maintenance: There is no requirement to maintain your private investigator license in Maine.

Maine Private Detective Salaries – According to “U.S. Bureau of Labor Statistics”

Maine is one of the few states where the Bureau of Labor Statistics (BLS) does not provide state level information. The median salary for private investigators across the country as of 2015 was $45,610. Between 2014 and 2024, the profession is expected to experience a growth rate of 5%.

Links for Maine Private Detectives

Maine State Police PI Licensing Forms

Maine Licensed Private Investigator’s Association

Bureau of Labor Statistics Career Summary

Education Programs for Private Investigators in Maine

  • Bachelor of Science in Criminal Justice
  • Master of Science in Criminal Justice
South University, Online
  • Criminal Justice - Bachelor
Baker College Online
  • Criminal Justice, BA
  • Homeland Security, AA
  • Criminal Justice, AA
  • Homeland Security, BA
Keiser University eCampus
  • DEM - Emergency Management
Capella University
  • BS - Criminal Justice
Capella University
  • MS - Cybersecurity
Capella University
  • Master of Science in Criminal Justice – Public Administration
Liberty University - Online
  • General
  • General-Advanced
  • Online Teaching in Higher Education
  • Doctor of Business Administration (DBA) - Homeland Security
  • PhD in Criminal Justice - Emergency Management
  • PhD in Criminal Justice - Global Leadership
  • PhD in Criminal Justice - Homeland Security Policy and Coordination
  • PhD in Criminal Justice - Law and Public Policy
  • PhD in Criminal Justice - Public Management and Leadership
Walden University
  • Master of Science (M.S.) in Criminal Justice - Homeland Security Policy and Coordination
  • Master of Science (M.S.) in Criminal Justice - Law and Public Policy
  • Master of Science (M.S.) in Criminal Justice - Policy Analysis
  • Master of Science (M.S.) in Criminal Justice - Terrorism, Mediation, and Peace
  • Master of Science (M.S.) in Criminal Justice - Emergency Management
  • MS in Criminal Justice - Global Leadership
Walden University
  • DBA - Criminal Justice
  • DBA - Homeland Security: Leadership & Policy
Northcentral University
  • MPA - Criminal Justice
Kaplan University Online
  • BSCJ – Law Enforcement
  • BSCJ – Juvenile Justice
  • BSCJ – Homeland Security
  • BSCJ – Forensic Psychology
  • BSCJ – Crime Scene Investigation
  • BS in Criminal Justice
  • MSCJ - Corrections
  • MSCJ - Global Issues in Criminal Justice
  • MSCJ - Law
  • MSCJ - Leadership/Executive Management
  • Master of Science in Criminal Justice
  • Master of Science in Homeland Security and Emergency Management
  • Bachelor of Science in Fire Science
  • Associate of Applied Science in Criminal Justice and Criminology
  • Associate of Applied Science in Public Safety and Security
  • Associate of Applied Science in Fire Science
  • Bachelor of Science in Fire and Emergency Management
  • BS in Corrections
Kaplan University Online
  • A.S. Criminal Justice
  • B.S. Criminal Justice
  • B.S. International Relations and Security - Cybersecurity
  • B.S. International Relations and Security - Global Security
Indiana Wesleyan University - Online
  • Master of Science in Information Assurance
  • MS in Criminology
  • BS in Criminology
  • Graduate Certificate in Information Assurance and Cyber Security
  • Master of Science in Criminology - Cybercrime and Terrorism Focus
  • Master of Science in Criminology - Human Behavior Focus
  • Master of Science in Criminology - Leadership Focus
  • Master of Science in Information Assurance - Cybersecurity Specialization
Regis University- Online
  • Master of Science in Criminal Justice
  • MS in Computer Science - Cyber Security
Lewis University - Online
  • BS in Cybersecurity - Information Assurance
  • BS in Cybersecurity - Cybercrime and Fraud Investigation
  • BS in Cybersecurity - Network Forensics and Intrusion Investigation
  • BS in Cybersecurity - Cyber Operations
  • Masters in Financial Crime and Compliance Management
  • MBA Economic Crime and Fraud Management
  • MS Cybersecurity - Intelligence
  • MS Cybersecurity - Computer Forensics
  • MS Cybersecurity - Cyber Operations
  • Bachelor of Science in Cybersecurity
  • Bachelor of Science in Fraud and Financial Crime Investigation
  • BS in Criminal Justice - Cyber Criminology and Policy
  • Computer Forensics Certificate
  • Cyber Crime and Fraud Investigation Certificate
  • Cyber Network Defense Certificate
  • Cyber Operations Certificate
  • Cyber Policy Certificate
  • Cybersecurity Technologies Certificate
  • Financial Crime and Compliance Operations Certificate
  • Financial Crime Investigation Certificate
  • Master of Professional Studies in Cyber Policy and Risk Analysis
  • MBA - Cyber Policy
  • MBA - Cybersecurity
  • Monitoring, Surveillance, and Intelligence Operations Certificate
  • MS in Cybersecurity - Electronic Crime
  • MS in Cybersecurity - Malware Analysis
  • MS in Data Science: Cybersecurity
  • MS in Data Science: Financial Crime
  • Online Bachelor of Science in Fraud and Financial Crime Investigation - Financial Investigation
  • Online Bachelor of Science in Fraud and Financial Crime Investigation - Fraud Prevention and Detection
  • Online Master of Science in Cybersecurity
  • BS in Criminal Justice - General
  • BS in Criminal Justice - Homeland Security
  • BS in Criminal Justice - Legal Issues in Criminal Justice
  • BS in Criminal Justice - Public Policy and Leadership
  • BS in Criminal Justice - White Collar Crime
Utica College - Online
  • Master of Science Criminal Justice Critical Incident Mgt
  • Master of Science in Criminal Justice
  • Master of Science in Criminal Justice - Corrections
  • Master of Science in Criminal Justice - Criminal Investigation
  • Master of Science in Criminal Justice - Forensic Science
  • Master of Science in Criminal Justice - Legal Studies
Saint Leo University - Online
  • AA in Criminal Justice
  • BA in Criminal Justice
  • BA in Criminal Justice - Criminalistics Specialization
  • BA in Criminal Justice - Homeland Security Specialization
Saint Leo University - Online
  • BS - Criminal Justice and Law Enforcement Administration
  • Master - Criminal Justice and Law Enforcement Administration
  • CTU - Criminal Forensics
Colorado State University - Global