Building Permits in Kansas City, MO

Check permit requirements for home improvement projects in Kansas City. Select a project type below to see local requirements, estimated fees, and how to apply.

112 Permit Rules
28 Project Types
$25 – $5,000 Permit Fee Range
IRC 2018 Building Code
13 Lookups (90 days)

Key Exemptions in Kansas City

These projects typically don't require a building permit in Kansas City:

Cosmetic bathroom renovations (paint, tile, fixtures in same location) do not require a permit in Kansas City, MO.

Small at-grade patio slabs under 120 square feet are typically exempt from building permits per IRC R105.2 (extended via local amendment). The slab must be at-grade (not more than 30 inches above adjacent grade) and not part of an accessible route.

Freestanding decks not exceeding 30 inches above grade do not require a building permit in Kansas City, MO.

Replacing an existing driveway in the same footprint with no changes to the curb cut is generally exempt from permit requirements.

Replacing a light fixture or outlet in-kind does not require an electrical permit in Kansas City, MO.

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Kansas City Building Department

NameCity Planning & Development - Permits & Inspections
Address414 E 12th St, Kansas City, MO 64106
HoursMon-Fri 8am-5pm
Disclaimer: Always confirm with your local building department before starting your project. PermitMint provides general guidance, not legal advice.