Kansas City's Zoning and Development Code limits the percentage of a lot that may be covered by structures and impervious surfaces. Maximum lot coverage varies by zoning district and is designed to ensure adequate open space, drainage, and neighborhood character.
Maximum lot coverage in residential districts typically ranges from 30% to 60% depending on district density. Lower-density residential districts (R-1, R-2.5) allow less coverage while higher-density districts permit more. Lot coverage calculations include the building footprint, detached garages, and other accessory structures but may exclude open porches and decks below a certain height. Commercial and mixed-use districts often allow 80-100% lot coverage, particularly in urban core areas. Impervious surface coverage may have separate limits tied to stormwater management requirements. Exceeding lot coverage limits requires a variance from the Board of Zoning Adjustment.
Exceeding maximum lot coverage is a zoning violation. Building permits will be denied for projects that exceed allowable coverage. Unpermitted structures that push coverage over the limit may need to be removed. Additional impervious surface beyond limits may require stormwater mitigation.
Kansas City, MO
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Side-by-side rule comparisons with other cities in Jackson County.
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