New Hampshire Private Investigator License Requirements

New Hampshire’s State Police take individual and employee applications in person at its Concord licensing office, and mail is accepted only for agency applications.

New Hampshire PI license at a glance

Item	Detail
Regulator	New Hampshire State Police, Permits and Licensing
Law	RSA 106-F; Saf-C 2200
Forms	Individual DSSP 259; employee DSSP 247; agency DSSP 258; renewals DSSP 157 and 221; bond DSSP 55
Filing	In person at 33 Hazen Drive, Room 106, Concord; do not mail (agency applications are the exception)
Armed applicants	Call (603) 223-3873 to schedule fingerprinting before arrival
Bond	A bond form (DSSP 55) is part of the licensing packet

What’s different here: armed applicants must book a fingerprint appointment before they show up.

New Hampshire PI license FAQ

Can I mail my application?

Not for individual or employee forms.

Where do I file?

33 Hazen Drive, Concord.

Verified against: NH State Police Permits and Licensing page. Fees, term and experience were not published there. Reviewed October 13, 2026.

Who regulates private investigators in New Hampshire

The Permits and Licensing Unit of the New Hampshire State Police licenses private investigative agencies, investigators and security services under RSA 106-F. A 2024 comparison for the Nebraska Legislature lists a $150 application fee ($500 for an agency license), plus record check fees.

New Hampshire PI license types

License or credential	Who it is for
Private investigator license	Individuals or agencies providing investigative services
Employee license	Individuals working for a licensed agency (separate application)

How to get licensed in New Hampshire: step by step

1. Confirm your qualifying route with the State Police.
2. Complete the application and background checks.
3. File the surety bond.
4. Pay the application fee ($150 individual or $500 agency, per the 2024 comparison) and record check fees.
5. Apply for employee licenses for anyone you hire.
6. Report employee terminations and other changes within 10 business days.

Carrying a firearm as a New Hampshire investigator

Armed investigators must meet firearms proficiency requirements set by the State Police, according to industry guides.

What a private investigator in New Hampshire can and can’t do

A PI license is a business license, not police authority. In New Hampshire, as everywhere in the U.S., private investigators generally cannot:

• Impersonate law enforcement or claim official authority.
• Trespass on private property to watch or photograph someone.
• Obtain bank, phone or other protected records by pretexting, which federal law prohibits.
• Hack accounts, read someone else’s email or install spyware.
• Place a tracking device on a vehicle where state law forbids it.
• Detain or arrest anyone beyond the citizen’s arrest rights every person has.

Recording is a particular trap in New Hampshire. A 2024 legal summary by the law firm Kilpatrick lists New Hampshire among the states that require the consent of all parties for at least some recordings of conversations. Never record a conversation you are not part of, and get legal advice before recording calls or private conversations.

How to build qualifying experience in New Hampshire

Most new investigators get their start in jobs that teach investigative skills and, in licensing states, count toward experience requirements. Common routes in New Hampshire include:

• Working for a licensed private investigation agency, often doing surveillance or records research.
• Insurance claims or special investigations unit (SIU) work.
• Retail loss prevention; see our loss prevention officer guide.
• Law enforcement, corrections or military police service.
• Investigative roles for attorneys, public defenders or government agencies.

Keep records as you go: dates, hours, duties and a supervisor who can verify them. Regulators often ask for signed employer statements, and reconstructing years of work later is painful.

Choosing a niche as a New Hampshire investigator

Most successful investigators specialize. The most common niches are insurance work (workers’ compensation and liability surveillance), legal support for civil and criminal defense attorneys, background and pre-employment screening, corporate investigations (fraud, theft, misconduct), domestic cases, and online research. Each needs different skills and tools. Surveillance requires patience, a reliable vehicle and a good camera; legal work rewards interviewing and writing; background work depends on databases and records access; corporate work favors people with loss prevention, audit or HR experience.

Look at who hires investigators where you live. In larger metro areas, law firms and insurers generate steady work; in smaller communities, a general practice that takes a mix of cases is more realistic. Whatever you choose, your reputation with a handful of repeat clients will matter far more than advertising.

A realistic first year

• Months 1 to 3: learn the rules, shadow experienced investigators and master report writing.
• Months 3 to 6: handle routine surveillance or records work under supervision.
• Months 6 to 12: take on cases independently, build a portfolio of clean reports and keep a log of your hours for future licensing upgrades.
• Throughout: invest in training on privacy law, interviewing and online research.

Writing reports New Hampshire clients trust

Your report is the product your client pays for, and in court it may be the only part of your work a judge ever sees. Strong investigative reports share a few habits: they are chronological, time-stamped and factual; they describe what you saw and heard rather than what you concluded; they identify every photo and video clip by time and location; and they note anything that interrupted your observation. Write notes as events happen, using a notebook or a voice recorder, and turn them into the report the same day while details are fresh.

Our daily activity report guide covers note-taking habits that carry straight over to investigations, and our AI report-writing guide explains how to use AI tools to organize notes without adding details you didn’t observe or exposing confidential information.

Writing reports New Hampshire clients trust

Your report is the product your client pays for, and in court it may be the only part of your work a judge ever sees. Strong investigative reports share a few habits: they are chronological, time-stamped and factual; they describe what you saw and heard rather than what you concluded; they identify every photo and video clip by time and location; and they note anything that interrupted your observation. Write notes as events happen, using a notebook or a voice recorder, and turn them into the report the same day while details are fresh.

Our daily activity report guide covers note-taking habits that carry straight over to investigations, and our AI report-writing guide explains how to use AI tools to organize notes without adding details you didn’t observe or exposing confidential information.

Why applications get delayed

• Missing or unsigned employer verification of experience.
• Fingerprints rejected as unclassifiable, which means a new set and a new wait.
• Undisclosed criminal history, even old or minor offenses. Disclose everything; see our criminal record guide.
• Bond or insurance certificates that don’t match the business name on the application.
• Business registration not completed before the agency application.
• Outdated forms; always download the current version from the regulator.

Pay and job outlook

The U.S. Bureau of Labor Statistics (BLS) reports a national median pay of $51,220 a year for private detectives and investigators in May 2025, about 39,500 jobs, and 5% growth from 2025 to 2035. Pay in New Hampshire depends on local demand, your specialty and whether you work for an agency or run your own. Insurance, legal and corporate work usually pays better than general surveillance, and established independent investigators bill hourly rates well above employee wages.

Gear and books for New Hampshire investigators

New investigators don’t need much to start. These are the tools we recommend first; each button shows the current price.