Missouri Contractor License Requirements
infoNo State License — Local / County OnlyMissouri does not require a state-level general contractor license. St. Louis, Kansas City, and other municipalities handle all contractor licensing. Requirements vary significantly between jurisdictions.
gavelHow Contractor Licensing Works in Missouri
Missouri issues no state contractor licenses for general construction, and even electrical and plumbing licensing exists only where individual jurisdictions require it. St. Louis, Kansas City, and their surrounding municipalities each operate independent licensing programs, and the differences between them are substantial, from full exam-based licensing in some metro jurisdictions to simple business registration in rural counties. Contractors in the Kansas City metro straddle a two-state patchwork, since the Kansas side is equally local but separately administered. Compared to Arkansas next door, where the state licenses contractors above $50,000 with a real exam, Missouri's openness is striking, but the trade-off is that credentials never travel: every new city in your service area is a new application.
Missouri strategy starts with a jurisdiction inventory: list every municipality and county where you expect to pull permits, then work through their licensing offices, prioritizing St. Louis and Kansas City if they are in scope since their programs involve the most documentation. Business registration with the state and appropriate insurance form the base layer, and Missouri's workers compensation mandate begins at five or more employees, a higher trigger than most states use, though construction employers should verify their specific obligations rather than assuming exemption. The pattern that hurts contractors is metro sprawl: a job that drifts from Kansas City proper into an inner-ring suburb crosses a licensing boundary, and pulling the permit reveals the gap mid-project. Confirm the exact jurisdiction before pricing, not after signing.
account_balanceLicensing Board
Board Name
No state licensing board — local jurisdictions
Website
https://pr.mo.gov/Phone
(573) 751-0293
descriptionLicense Types
| Type | Threshold | Notes |
|---|---|---|
| Electrical | Varies | Some jurisdictions require state electrical licensing |
| Plumbing | Varies | Some jurisdictions require plumbing licensing |
checklistRequirements
- check_circleLocal business license
- check_circleLocal permits as required
paymentsFee Schedule
Application
Varies by city/county
Annual Renewal
Varies by city/county
Exam Fee
Varies
event_repeatRenewal Period
Varies by jurisdiction
shieldInsurance Minimums
General Liability
Varies by jurisdiction
Workers Compensation
Required if 5+ employees
swap_horizReciprocity
- arrow_forwardNot applicable — local licensing
helpFrequently Asked Questions
Do I need a contractor license in Missouri?
Not from the state. Missouri has no state-level general contractor license, and licensing is handled entirely by cities and counties, with St. Louis and Kansas City running the most developed programs. Requirements vary significantly between jurisdictions, from exam-based licenses to basic registration, and electrical and plumbing credentials likewise apply only where a given jurisdiction demands them.
How does licensing work in the St. Louis and Kansas City metros?
Each municipality in both metros administers its own contractor licensing, so a credential from Kansas City or St. Louis proper does not extend to neighboring suburbs, each of which verifies its own requirements at permit time. Metro contractors routinely hold several municipal licenses simultaneously, and Kansas City work adds the separate Kansas-side jurisdictions with their own programs.
What are the penalties for unlicensed contracting in Missouri?
Enforcement runs through local permit systems: jurisdictions with licensing requirements deny permits to unlicensed contractors and issue stop-work orders and municipal fines for violations. Because there is no state license, exposure depends entirely on local ordinance, but unpermitted work anywhere creates inspection, resale, and insurance liability that outlasts the project regardless of which city ordinance applied.
When is workers compensation required in Missouri?
Missouri's general trigger is five or more employees, a higher threshold than most states, though construction businesses should confirm how the rules apply to their specific operation before relying on an exemption. Local licensing jurisdictions may also impose their own insurance requirements as a condition of contractor registration, and general liability expectations vary city by city.
infoData sourced from state licensing board websites. Requirements change frequently — verify with your state board before applying. Last updated April 2026.