Private Investigator License Requirements in Missouri

Yes — to operate a private investigator business in Missouri, you need a Missouri Private Investigator License from Missouri Board of Private Investigator and Private Fire Investigator Examiners. The license costs approximately ~$500 total (application, exam, license); renewal lower and renews every 2 years. Key requirements include: Be at least 21 years old and Pass the Missouri private investigator examination.

Missouri Private Investigator License at a Glance

• License: Missouri Private Investigator License
• Regulator: Missouri Board of Private Investigator and Private Fire Investigator Examiners
• Estimated fee: ~$500 total (application, exam, license); renewal lower
• Renewal period: 2 years
• Processing time: 4-8 weeks
• Last verified: 2026-07-17

Key Requirements

• Be at least 21 years old
• Pass the Missouri private investigator examination
• Pass fingerprint-based state and FBI background checks
• Carry general liability insurance ($250,000 minimum)
• Complete continuing education for renewal
• Submit the application to the Board of Private Investigator Examiners

How to Apply for a Private Investigator License in Missouri

1. Confirm eligibility (21+, clean criminal record)
2. Pass the Missouri PI examination
3. Complete fingerprinting for state and FBI checks
4. Obtain the required liability insurance
5. Submit your application with fees and renew every 2 years

Frequently Asked Questions

Do I need a license to run a private investigator business in Missouri?

Yes. Private Investigator businesses in Missouri need a Missouri Private Investigator License issued by Missouri Board of Private Investigator and Private Fire Investigator Examiners before operating. Operating without it can result in fines, business closure, and legal liability.

How do I get a private investigator license in Missouri?

To obtain a private investigator license in Missouri, you must: Be at least 21 years old, Pass the Missouri private investigator examination, Pass fingerprint-based state and FBI background checks. The license is issued by Missouri Board of Private Investigator and Private Fire Investigator Examiners and typically costs ~$500 total (application, exam, license); renewal lower.

How much does a private investigator license cost in Missouri?

A private investigator license in Missouri costs approximately ~$500 total (application, exam, license); renewal lower. This fee covers the initial application. Renewal occurs every 2 years.

How long does it take to get a private investigator license in Missouri?

Processing time for a Missouri private investigator license is typically 4-8 weeks. Processing times may vary based on application completeness and background check requirements.

Who regulates private investigator businesses in Missouri?

Private Investigator businesses in Missouri are regulated by Missouri Board of Private Investigator and Private Fire Investigator Examiners. They oversee licensing, compliance, and enforcement for this industry.