How to Hire a Private Detective in Minnesota

Minnesota licensing at a glance

Minnesota licenses private detectives through the Board of Private Detective and Protective Agent Services, supported by the Department of Public Safety (Minn. Stat. §§ 326.32–326.339).

Step by step: hiring in Minnesota

1. Define your question. What do you need to know, and what decision depends on it?
2. Verify licensing. Look the detective up on the Minnesota Board of Private Detective and Protective Agent Services website rather than relying on a license number shown in an ad. Confirm the license is active and check the agency license as well as the individual's where both exist.
3. Agree on scope and cost in writing. Know what will be done, for how long, and what you'll receive.
4. Share what you know. Names, addresses, photos, vehicles and schedules save billable hours.
5. Insist on lawful methods. Minnesota generally allows a participant to record a conversation (one-party consent), unless it's done with criminal or tortious intent. Detectives shouldn't hack accounts, pretext for records, trespass or track phones.

What affects the cost of an investigation in Minnesota

Minnesota spans 87 counties. Surveillance in a dense area like Minneapolis may call for two detectives to keep a subject in view, while work in rural counties can involve more travel time. Records research that requires courthouse visits in several counties takes longer than searches available online.

Most surveillance is billed hourly plus expenses such as mileage; defined research tasks are often flat-fee. Our cost guide explains pricing in detail.

Questions to ask a Minnesota detective

• Are you licensed for work in Minnesota, and who will actually do the work?
• How often do you handle matters like mine in Minnesota?
• How do you handle recording and tracking under Minnesota law?
• Which county courts or records will you need, and how long will that take?
• What will the report include, and could you testify if needed?

More questions are in our list of 15 questions to ask before hiring.

Where we coordinate work in Minnesota

Mooney & Boland coordinates investigations throughout Minnesota, including Minneapolis, St. Paul, Rochester, Duluth and Bloomington. See private detective services in Minnesota for coverage and services.

Local pages for Minnesota communities:

Common questions

Sources

• Minnesota Board of Private Detective and Protective Agent Services (official regulator)
• Justia: Recording Phone Calls and Conversations, 50-State Survey

Reviewed November 2026.