Plumber license in Missouri
Missouri does not require a state-level plumber license; many municipalities license locally.
Required license type
Missouri does not license general contractors, electricians, plumbers, or HVAC at the state level. All trade licensing is handled by individual cities and counties.
Missouri delegates plumbing licensing to municipalities.
Application requirements
Missouri does not require a state-level credential to perform plumber work, but many cities and counties license locally. Check the municipality where the job is performed before bidding.
- Proof of relevant trade experience or apprenticeship hours
- Passing score on the state trade exam(s)
- General liability insurance + workers' comp
- Surety bond filed with the board (when required)
- Business entity registration with the Secretary of State
- Background check + license fee submitted with packet
This is the standard packet most U.S. state boards require. Verify the exact list with the Missouri Division of Professional Registration before applying — requirements change by trade classification.
Fees and renewal cycle
Total cost to become a licensed plumber in Missouri ranges from $150 to $6,500 (typical $1,100). The range covers application + exam fees, bond + insurance premiums, and the first year of business registration.
Most state boards renew on a 1-3 year cycle and require continuing education credits. Verify the exact renewal window and CE requirement with the Missouri Division of Professional Registration — late renewal typically triggers a reinstatement fee.
Reciprocity with neighboring states
Missouri borders 8 other launched states ProFix Directory tracks. Reciprocity is set by each state board individually — check the destination state for the current rule before relying on it.
Where to apply
Missouri Division of Professional Registration
Board phone: +1-573-751-0293
Missouri does not license general contractors, electricians, plumbers, or HVAC at the state level. All trade licensing is handled by individual cities and counties.
Why ProFix verifies every plumber
Every pro we list in Missouri is matched against the Missouri Division of Professional Registration record, the Secretary of State business registry, and OSHA inspection data. We surface license status, revocation history, and bond filings on every profile so homeowners can shortlist verified pros without trusting a single review-platform score.
Common questions
- Do I need a plumber license in Missouri?
- Missouri does not require a state-level plumber license, but many municipalities license locally. Check the city or county where the work is performed and confirm scope with the Missouri Division of Professional Registration before bidding. Typical local registration ranges $150-$6,500, with most filings around $1,100.
- Which board handles plumber licensing in Missouri?
- Missouri Division of Professional Registration is the relevant authority shown in the Missouri licensing seed for this page. The verification or application URL in the loader is https://pr.mo.gov/.
- How much does a plumber license cost in Missouri?
- The recorded licensing cost range is $150-$6,500, with a typical total around $1,100. That range comes from the page loader and covers application, exam, bond, insurance, or registration costs where they apply.
- What requirements should Missouri plumber applicants verify?
- Missouri delegates plumbing licensing to municipalities.
- Are Missouri plumbers state-licensed?
- No. Plumbing licensing is handled by individual cities (St. Louis, Kansas City) and counties.
Hand the question to your preferred assistant — it will use ProFix Directory's open MCP server and llms.txt as context.
Get the ProFix homeowner newsletter
One short email a month with cost guides, seasonal repair tips, and license / recall alerts in your state. No spam, unsubscribe anytime.