Find a Licensed Private Investigator in Minnesota

01Why Minnesotans hire investigators

When a Minnesota matter needs a licensed investigator

Most calls begin with a question that has real consequences. A parent in a Dakota County custody case wants a record of what happens during the other parent's time. A Minneapolis distributor suspects an employee is diverting orders to a competitor. A family in Rochester has lost track of a relative who moved north toward the lakes. A defense attorney in Ramsey County needs a witness who has not answered calls since the incident. Each case needs facts gathered lawfully and written up so a lawyer or judge can use them.

Minnesota regulates that work through a dedicated state board. Under Minn. Stat. 326.338, a person who, for a fee or other consideration, investigates matters such as a person's identity, habits, conduct or whereabouts, lost or stolen property, or employee conduct on behalf of others is conducting private detective business. That work needs a license. So the first step is not choosing the most visible advertiser. It is confirming the investigator's business holds a current Minnesota license and has handled your kind of case.

• Family law: custody, parenting time and dissolution cases
• Civil litigation: witness locates, statements and records research
• Insurance and workers' compensation claim reviews
• Business concerns: employee theft, fraud and due diligence
• Personal safety: documenting harassment or stalking for counsel

02Licensing

How licensing works for a private investigator in Minnesota

Minnesota licenses investigators under Minn. Stat. 326.32 to 326.339, and the Board of Private Detective and Protective Agent Services oversees licensing and discipline. Section 326.3381 is unusually broad. It bars anyone from engaging in private detective business, or advertising or indicating in any verbal statement or written material that they are engaged in it or available to supply those services, without first obtaining a license.

A license can be held by an individual or by a business, and the license holder can employ others. Under section 326.336, a license holder may hire as many unlicensed employees as it needs, but it is accountable at all times for their conduct. Each new employee is fingerprinted and checked through the Bureau of Criminal Apprehension, cannot do detective work until that check clears, and must carry an identification card issued by the license holder.

For a client, that means two checks: confirm the business appears on the board's list of license holders, and ask the individual to show the ID card that ties them to that licensed business.

03Legal limits

What licensed Minnesota investigators can and cannot do

A Minnesota license does not grant police powers. Investigators cannot detain anyone, enter private property without permission or obtain records that need a subpoena or court order. They work from public places, public and commercial records, voluntary interviews and material a client lawfully provides. Evidence gathered by crossing those lines can be excluded and can expose the investigator, and possibly the client, to criminal charges or civil liability.

Recording is governed by Minn. Stat. 626A.02. Under subdivision 2(d), a person not acting under color of law may generally intercept a communication if they are a party to it or one party has given prior consent, unless the purpose is criminal or tortious. Recording a conversation you are not part of, without anyone's consent, is a serious offense. An attorney should review any recording plan, especially when calls involve people in all-party consent states.

Minnesota also regulates trackers directly. Section 626A.35 bars installing or using a mobile tracking device without a court order, with an exception when the owner of the object consents. Stalking is covered by section 609.749.

• Generally allowed: observing and recording in public places
• Generally allowed: searching court, property and business records
• Not allowed: impersonating police or claiming official authority
• Not allowed: tracking devices without a court order or owner consent
• Ask counsel first: recordings, social media access and pretext contacts

04Regions

Why local knowledge matters across Minnesota

More than half of Minnesotans live in the seven-county Twin Cities area. Hennepin and Ramsey counties each make up their own judicial district, while suburbs spread across Dakota, Anoka, Washington, Scott and Carver counties. A subject who lives in Woodbury may work in Saint Paul or across the St. Croix River in Wisconsin. When a case crosses that line, the Wisconsin investigator matching page explains how licensing works there.

Greater Minnesota is a different job. Rochester is built around a major medical center, St. Cloud and Mankato are regional hubs, and Moorhead faces Fargo across the Red River, so many cases there touch North Dakota. North of Brainerd the state turns to lakes, forest and the Iron Range, where distances are long, roads are few and winter weather affects surveillance. St. Louis County alone covers a huge area, with court locations in Duluth, Virginia and Hibbing.

Minnesota shares geography with 11 tribal nations. Some reservations, such as Red Lake, fall outside general state criminal jurisdiction, so an investigator will usually ask early whether tribal land or courts are involved.

05Pricing

How Minnesota investigators usually price their work

Each investigator sets and quotes their own fees, and Delator Group does not set or publish prices for Minnesota work. Most license holders bill surveillance, interviews and field time by the hour, often with a daily minimum. Mileage and travel time are usually separate, which matters when a case moves from the metro to the North Shore or the Red River Valley. Database searches, court record fees and copies are commonly passed through.

Retainers are standard for larger matters, with time billed against the deposit. Some businesses quote a set price for a narrow task, such as one records search or a single interview. Before you agree, ask for the hourly rate, any minimums, the mileage rate, expected expenses and how often you will receive written updates. Put those terms in a signed agreement so the scope does not expand without your approval.

06Before the first call

How to prepare for the first conversation with an investigator

A short, organized summary helps an investigator understand the case and give you a realistic estimate. Write down what you need to learn, why it matters and any deadline, such as a hearing date in district court. Name the county and city, because travel and local familiarity drive cost and results. If you have a lawyer, say so, since some work is best directed through counsel.

Gather what you already know, but hold sensitive documents until you have talked with the investigator and agreed how information will be handled. When you are ready, use the request form to describe the matter in a few sentences. The investigator you are matched with will ask follow-up questions and explain what can realistically be done.

• Full names, dates of birth if known and last known addresses
• Recent photos and vehicle descriptions for surveillance subjects
• Case numbers, hearing dates and your attorney's contact details
• A timeline of key events and what you have already tried
• Your budget range and preferred contact method

Cities

Top 20 cities in Minnesota for private investigator requests

These are the 20 largest Minnesota cities by the Census Bureau's 2025 population estimates, with the main county for each. Seventeen of them are in the Twin Cities metro, and a few, such as St. Cloud and Blaine, cross county lines. Include the street address or ZIP code in your request so it reaches an investigator who works that area.

Counties

Top 20 Minnesota counties for investigator requests

Minnesota has 87 counties, all served by a single statewide district court organized into 10 judicial districts. The 20 below are the most populous by recent Census Bureau estimates. Investigators who work these counties regularly know how each courthouse handles records requests and where hearings take place.

Investigation types

Investigations licensed Minnesota investigators handle

These are the request types Delator Group most often refers to licensed Minnesota investigators. Each license holder decides which matters to accept and how to handle them. The summaries below describe what the work generally involves in Minnesota, so you can explain your situation clearly when the investigator calls.

• SurveillanceAn investigator observes and records activity from public places, keeps a time-stamped log and writes a report. Minnesota investigators plan around trespass, stalking and the state's tracking device law.Learn more
• Child custody investigationsInvestigators document conditions during parenting time, a parent's conduct and who is present, giving a family lawyer lawful evidence on the child's best interests for a Minnesota district court.Learn more
• Infidelity investigationsMinnesota dissolves marriages on a no-fault basis, so infidelity evidence matters mostly for custody, finances or marital money spent on an affair. An investigator documents what can be lawfully observed.Learn more
• Locating peopleInvestigators find witnesses, heirs, debtors and missing relatives through public records, licensed data sources and field checks, within federal limits on phone, financial and motor vehicle records.Learn more
• Background researchInvestigators review court, property, business and public records on a person or company. Reports used for hiring, tenant or credit decisions fall under the federal Fair Credit Reporting Act.Learn more
• Asset searchesInvestigators trace real estate, business filings, vehicles, watercraft and liens through county and state records to support collections, property division or settlement talks.Learn more
• Insurance and workers' comp claimsFor carriers, employers and defense counsel, investigators compare claimed limits with observed activity, look for witnesses and document findings for a workers' compensation hearing or civil case.Learn more
• Criminal defense investigationUnder a defense attorney's direction, investigators interview witnesses, photograph scenes, review discovery and locate people the prosecution did not call, keeping the work inside attorney privilege.Learn more

How matching works

How investigator matching works in Minnesota

1. 01

   Send your request

   Use the contact form or call. Describe what you need to learn, the county and city, any deadline and how you prefer to be reached. Keep sensitive details brief until you speak with the investigator.

2. 02

   Request review

   Delator Group reviews the request for completeness and a lawful purpose, and may ask a follow-up question about location, timing or whether a court case is open.

3. 03

   Referral to a Minnesota investigator

   The request is referred to an independent investigator whose business holds a Minnesota license and who works in or near the county involved.

4. 04

   The investigator contacts you

   The investigator calls or emails, discusses scope and methods, quotes their own fee and, if you decide to proceed, signs a written agreement with you directly.

5. 05

   You verify and decide

   Before signing, find the business on the board's license holder list and ask to see the investigator's ID card. There is no obligation to hire, and the choice is yours.

Licensing

How Minnesota licenses private investigators

Minnesota licenses private detectives and their businesses through the Board of Private Detective and Protective Agent Services. A license holder may employ unlicensed staff, but it stays accountable for them, each one must clear a Bureau of Criminal Apprehension background check before doing detective work, and each must carry an ID card from the license holder. The board publishes a list of businesses with active licenses, which makes the first check quick.

Before you hire

What to check before you hire an investigator in Minnesota

FAQ

Frequently asked questions

Nationwide

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