Missouri · Bathroom Remodel · Free 2026 licensing & permit checklist
Bathroom Remodel licensing & permits in Missouri
Before you sign that $bathroom remodel contract, here's the licensing authority, permits required, specialty trades, and verification steps for Missouri in 2026.
Licensing authority
No statewide GC license — Missouri licensing is municipal
Plumbing + electrical licensed at municipal level. General contracting licensed city-by-city; St. Louis & Kansas City require GC license.
Permits typically required
- Plumbing permit
- Electrical permit
- Building permit if walls move
Missouri permit fees typically run 1-3% of project cost. Don't sign a "no-permit" contract — it shifts every future inspection failure onto you.
Specialty trades required
- Licensed plumber
- Licensed electrician (any new circuit)
DIY risk: High — at least one trade-licensed step typically required. Specialty trades are typically state-licensed even in no-statewide-GC states.
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FAQ — Bathroom Remodel contractor licensing in Missouri
Do I need a licensed contractor for a bathroom remodel in Missouri?
Missouri has no statewide general contractor license — meaning the answer depends on your city/county. Plumbing + electrical licensed at municipal level. General contracting licensed city-by-city; St. Louis & Kansas City require GC license. For a bathroom remodel, you almost always need at least specialty-trade licenses (e.g., electrical, plumbing) which ARE typically state-issued. Check your city's building department for GC-specific requirements.
What permits does a Missouri bathroom remodel require?
Typical permits for a bathroom remodel in Missouri: plumbing permit; electrical permit; building permit if walls move. Permit fees in Missouri typically run 1-3% of project cost. Permits also lock in your inspections — without them, you'll fail any future resale inspection and may face retro-permitting fines.
Which specialty trades need their own license for a bathroom remodel?
For a bathroom remodel: Licensed plumber; Licensed electrician (any new circuit). These specialty licenses (electrician, plumber, HVAC tech) are typically issued at the state level — so even in no-statewide-GC states like Texas or New York, the electrician on your job still needs a state license. DIY risk for this project type: High — at least one trade-licensed step typically required.
How do I verify a Missouri contractor before I sign?
Missouri does not maintain a public statewide contractor lookup. Your three best verification steps: (1) check the BBB and Google reviews for at least 5+ recent reviews, (2) ask for a Certificate of Insurance (COI) and call the issuer to confirm it's current, (3) check city/county licensing if your jurisdiction issues GC licenses (most major metros do).
After you verify the license
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Disclaimer: This page is informational only and is not legal advice. State licensing rules and thresholds change — always verify against the official Missouri board before signing a contract.