How to Hire a Private Detective in South Dakota

South Dakota licensing at a glance

South Dakota does not issue a statewide private detective license. Local business requirements may still apply.

Step by step: hiring in South Dakota

1. Define your question. What do you need to know, and what decision depends on it?
2. Verify licensing. South Dakota doesn't have a statewide license to look up, so ask about local licensing where it applies, business registration, insurance and experience with matters like yours.
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. South Dakota generally allows a participant to record a conversation (one-party consent). Detectives shouldn't hack accounts, pretext for records, trespass or track phones.

What affects the cost of an investigation in South Dakota

South Dakota spans 66 counties. Surveillance in a dense area like Sioux Falls 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 South Dakota detective

• Are you licensed for work in South Dakota, and who will actually do the work?
• How often do you handle matters like mine in South Dakota?
• How do you handle recording and tracking under South Dakota 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 South Dakota

Mooney & Boland coordinates investigations throughout South Dakota, including Sioux Falls, Rapid City, Aberdeen, Brookings and Watertown. See private detective services in South Dakota for coverage and services.

Local pages for South Dakota communities:

Common questions

Sources

• Justia: Recording Phone Calls and Conversations, 50-State Survey

Reviewed November 2026.