Who licenses contractors in Missouri instead?
General contracting is licensed locally, so check with the city or county where the job is.
The electrical contractor license has the most published detail; its hours, exam and fees are on the electrical page.
City licensing in Missouri
These are the rules in Missouri's largest cities. Other cities and counties set their own, so check with the one where the job is.
Missouri · city rules
Kansas City
Licensing rules: check with Kansas City City Planning and Development, Development Services. Kansas City City Planning and Development, Development Services
Missouri · city rules
St. Louis
- Who
- Construction contractors working in St. Louis need a Construction Industry Contractor Graduated Business License from the License Collector. General contractors must give the License Collector a list of the subcontractors on each job.3
- Licenses
- One Construction Industry Contractor Graduated Business License, with a separate license for each business location or trade name.3
- Insurance
- Proof of workers' comp coverage, or a signed affidavit that the business is exempt.3
Exam, bond, fees and renewal: check with St. Louis License Collector. St. Louis License Collector
Electrical, plumbing and HVAC licenses in Missouri
- General contractorAsk the boardLocal
- ElectricalAsk the boardOffice of Statewide Electrical Contractors (Div. of Professional Registration)
- PlumbingLicensed by cities or countiesCity or county
- HVACLicensed by cities or countiesCity or county
- RoofingAsk the boardLocal
Sources
- Office of Statewide Electrical Contractors (Div. of Professional Registration): who needs a license (pr.mo.gov, 2026-10-27)
- Office of Statewide Electrical Contractors (Div. of Professional Registration): fees (pr.mo.gov, 2026-10-27)
- St. Louis: who (stlouis-mo.gov, 2026-10-28)