Plumber License Requirements in Missouri
No Statewide License Required
Missouri does not require a statewide plumber license. Missouri plumber licensing is handled at the city and county level. Cities with populations over 15,000 are required by state statute to license plumbers. Each jurisdiction sets its own exam, fee, and experience requirements. Typical local fees: application $80-$120, license $114-$227.
Trades that DO require a state license in Missouri:
Frequently Asked Questions
Do I need a plumber license in Missouri?
No, Missouri does not require a statewide plumber license. However, local permits or registrations may be required. Missouri plumber licensing is handled at the city and county level. Cities with populations over 15,000 are required by state statute to license plumbers. Each jurisdiction sets its own exam, fee, and experience requirements. Typical local fees: application $80-$120, license $114-$227.
What do I need to work as a plumber in Missouri?
While no statewide license is required, you may need local business licenses, building permits, or contractor registration depending on your city or county.
Does Missouri require insurance for plumbers?
General liability insurance is recommended for plumbers in Missouri. Workers compensation is required if you have employees.
What trades DO require a state license in Missouri?
Missouri requires statewide licensing for: electrician. Each has its own licensing authority, fees, and requirements.
Data last verified: 2026-04-02 | Source: No state licensing authority