Directory of Plumbers

Licensing · Missouri

Plumber licensing in Missouri

68 plumbing businesses from Missouri are listed on this directory, all labelled Unclaimed unless a business has joined and passed checks. This page states who licenses plumbers in Missouri and where that license is verified.

Who licenses plumbers in Missouri

Missouri does not issue a statewide plumber license. Cities and counties, including St. Louis and St. Louis County with its Board of Plumbing Examiners, license plumbers locally, and a license from one jurisdiction does not automatically cover another.

How to verify a license

  1. Ask the business for its license number and the exact name the license is issued to.
  2. Search your city or county licensing office and match the name to the business you are hiring.
  3. Confirm the classification covers your type of work, the status is active, and the expiration date is in the future.
  4. Check insurance separately: ask for a certificate of insurance. A license and insurance are different checks.

Missouri metros on this directory

Questions about plumber licensing in Missouri

Who licenses plumbers in Missouri?

City and county boards of examiners (no state license). The model in Missouri is: local licensing.

How do I verify a plumber's license in Missouri?

Ask the business for its license number and the exact name on the license, then confirm in the official register that the name matches, the classification covers your work, the status is active, and the expiration date is in the future.

Does a license in another state count here?

No. A plumbing license authorizes work only in the jurisdiction that issued it. In local-licensing states, it may not cover the next city.

Method and cautions: plumber licensing by state (guide) · how we verify · Get matched free