Building Permits in Kansas City, Missouri

Kansas City, Missouri requires a building permit for most construction, alteration, and repair work that affects structural, electrical, plumbing, or mechanical systems. Permits are issued by the City Planning & Development Department — Development Services Division, which also administers plan review, inspections, zoning, and the city's online permitting system.

Important: Kansas City, Missouri is a distinct jurisdiction from Kansas City, Kansas. The two cities are entirely separate governments in different states. This guide covers Kansas City, MO only.

Kansas City has locally adopted the International Codes (IBC, IRC, IMC, IPC, IECC) and the National Electrical Code (NEC), with Kansas City-specific amendments codified in the Kansas City Code of Ordinances. Missouri has no statewide residential building code — Kansas City's code adoption is entirely local.

When You Need a Permit

You generally need a Kansas City building permit for:

• New construction, additions, and accessory structures (including ADUs)
• Structural alterations, load-bearing wall changes, and foundation work
• Electrical, plumbing, and mechanical (HVAC) system changes
• Reroofing and exterior wall openings for windows or doors
• Swimming pools, spas, and retaining walls above applicable height thresholds
• Demolition of any habitable structure
• Fences and accessory structures above certain size or height thresholds

Minor cosmetic work (painting, floor coverings, cabinetry without plumbing or electrical changes) is typically exempt. When in doubt, contact the Development Services Division before starting work.

Compass KC — The Online Portal

Compass KC (compasskc.kcmo.org) is Kansas City's unified online permitting and licensing system operated by the City Planning & Development Department. Through Compass KC you can:

• Create an account and submit permit applications
• Upload construction documents for electronic plan review
• Track application status and respond to review comments
• Pay permit fees online
• Schedule and track required inspections

The portal is the primary submission path for most residential and commercial permit applications. For questions, contact the Development Services Division at (816) 513-1500 or visit the department at Kansas City City Hall.

Permit Costs

Kansas City building permit fees are established by the City and calculated based on project valuation, with separate fees for plan review, inspections, and trade permits (electrical, plumbing, mechanical). Typical fee components include:

• Building permit fee — scales with project valuation
• Plan review fee — a percentage of the building permit fee
• Trade permit fees — electrical, plumbing, mechanical
• Impact and utility fees — for new construction or added square footage

Do not rely on third-party fee estimates. Consult the current fee schedule published by the Development Services Division at kcmo.gov or contact (816) 513-1500 for exact amounts.

Typical Timeline

Plan review timelines fluctuate with workload and project complexity. Contact the Development Services Division or check the Compass KC portal for current estimates.

Second and subsequent correction cycles are typically shorter than the initial review if the applicant fully addresses all review comments.

The Process

1. Pre-submittal: Confirm zoning, overlays, and applicable codes for your parcel through Kansas City Planning & Development
2. Plans: Prepare construction drawings stamped by a licensed Missouri architect or engineer where required
3. Submit via Compass KC: Create an account at compasskc.kcmo.org and upload documents for electronic plan review
4. Plan review: Development Services disciplines (building, structural, electrical, mechanical, plumbing, zoning, fire) review the plans
5. Corrections: Respond to review comments in Compass KC and resubmit revised documents
6. Permit issuance: Pay remaining fees and receive the approved permit
7. Inspections: Schedule required inspections at each construction phase through Compass KC
8. Final: Pass final inspection and, where applicable, receive a Certificate of Occupancy

Inspections

Typical inspection stages for a residential project include:

• Footing and foundation
• Underground plumbing and electrical
• Framing
• Rough plumbing, electrical, and mechanical
• Insulation
• Drywall
• Final building and trade inspections

Schedule inspections through the Compass KC portal at compasskc.kcmo.org or by calling the Development Services Division at (816) 513-1500.

Common Reasons for Denial or Corrections

• Plans do not meet the locally adopted International Codes or Kansas City amendments
• Missing structural calculations, energy compliance documentation, or licensed design-professional stamps
• Zoning conflicts (setbacks, height limits, lot coverage, permitted use)
• Missing utility clearances (water, sewer, stormwater)
• Historic district, overlay zone, or neighborhood plan review not completed
• Incomplete submittal or missing documents in Compass KC

Official Sources

Always verify current requirements with the City of Kansas City, MO Planning & Development Department and the Compass KC portal before starting your project. See the sources in the frontmatter for direct links to the Development Services Division, Compass KC, and the Kansas City Code of Ordinances.

Disclaimer: This guide summarizes publicly available information from official City of Kansas City, Missouri sources and is provided for general orientation only. It does not constitute legal or engineering advice. Building code and permitting requirements change — always confirm current rules with the City Planning & Development Department — Development Services Division before submitting plans or starting construction.