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How to become a private investigator in New Hampshire

New Hampshire private investigators are licensed by the New Hampshire Department of Safety, Division of State Police, Permits and Licensing Unit. Here is what it takes to work as a licensed private investigator in New Hampshire, from official sources checked November 4, 2026.

Part of the state's website could not be reached when we checked, so some details come from New Hampshire law and official forms. Confirm them on the official page before you apply.

Who can become a private investigator in New Hampshire?

New Hampshire private investigator license requirements

State licenseYes. Private investigators need a license from the State Police Permits and Licensing Unit: an individual license to offer services, or an employee license to work for an agency.
Licensed byNew Hampshire Department of Safety, Division of State Police, Permits and Licensing Unit
License namePrivate Investigator (individual or employee license)
ExperienceExcept for employees: 4 years as a full-time law enforcement officer or licensed investigator, or a criminal justice or fire service degree plus at least 2 years as a full-time investigator, or other listed options.
License term2 years; To renew: armed investigators must requalify with firearms at least once a year.

How much does it cost?

Individual license$150.00
Employee license$5.00
Agency license$350.00
Background investigation$10.00
Fingerprint fee (armed applicants)$10

Fees as listed by the state. Schools, courses, exam prep, insurance and equipment cost extra and vary by provider.

Steps to become a private investigator in New Hampshire

  1. Meet the experience requirement, or get hired by a licensed agency (employee license).
  2. Complete form DSSP 259 (individual) or DSSP 247 (employee) with at least three references.
  3. Get a $50,000 surety bond if applying as an individual or agency.
  4. Pay the license and background fees and pass the background investigation.
  5. If armed, complete FBI fingerprinting and firearms qualification.
  6. Renew at least 15 days before the 2-year license expires.

How do you check a private investigator's license in New Hampshire?

Questions people ask

Do you need a license to be a private investigator in New Hampshire?

Yes. New Hampshire requires a Private Investigator (individual or employee license) from the New Hampshire Department of Safety, Division of State Police, Permits and Licensing Unit.

How much does a private investigator license cost in New Hampshire?

The fees the state lists include individual license $150.00, employee license $5.00, agency license $350.00, background investigation $10.00. Schools, courses, exam prep and insurance cost extra and vary by provider.

How long does a private investigator license last in New Hampshire?

2 years; To renew: armed investigators must requalify with firearms at least once a year.

How to become a private investigator in other states

Sources: https://gc.nh.gov/rsa/html/VII/106-F/106-F-3.htm · https://gc.nh.gov/rsa/html/VII/106-F/106-F-5.htm · https://gc.nh.gov/rsa/html/VII/106-F/106-F-6.htm · https://gc.nh.gov/rsa/html/VII/106-F/106-F-7.htm · https://gc.nh.gov/rsa/html/VII/106-F/106-F-10.htm · https://gc.nh.gov/rules/state_agencies/saf-c2200.html. Expert Helper is not a government agency; rules change, so confirm with the state before you apply.