Missouri Contractor License Classifications

Legal Citation: Kansas City Building Code Chapter 18 § 18-340

Municipal building contractor license authorizing the construction, remodeling, alteration, and repair of any commercial, industrial, or residential structure without height or area restrictions.

Notes: Requires passing the standard ICC Class A Contractor exam and carrying $1,000,000 liability insurance.

Legal Citation: Kansas City Building Code Chapter 18 § 18-342

Municipal contractor license authorizing the construction, addition, and repair of residential structures up to 3 stories in height.

Notes: Requires ICC Residential Contractor examination and liability insurance.

Legal Citation: St. Louis County Electrical Code Title XI § 1102

Countywide trade license authorizing a contractor to plan, lay out, and supervise the installation of electrical wiring, equipment, and apparatus across St. Louis County.

Notes: Requires designated Master Electrician, trade exam, and $10,000 county surety bond.

Legal Citation: St. Louis County Plumbing Code Title XI § 1103

Countywide plumbing license required to contract for, pull permits for, and oversee the installation of water, drainage, and gas piping systems.

Notes: Requires trade exam, 5 years journeyman experience, and county surety bond.

Legal Citation: St. Louis County Mechanical Code Title XI § 1108

Countywide license required to install, alter, and service HVAC equipment, refrigeration systems, and ductwork.

Notes: Requires trade exam, EPA certification, and county bonding.

Legal Citation: Mo. Const. art. VI, § 19; Local Municipal Charters

Local contractor credential issued by Missouri municipalities and counties to regulate building construction and enforce local code compliance in the absence of a statewide licensing board.

Notes: Governed entirely at the municipal level.