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ADUs are allowed in Kansas City
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Kansas City, MO

Is your property eligible for an ADU?

# of Properties
187,813
Owner-occupied
56%
Zoning districts
115
Avg Home Value
$550,024
Median Lot Size
0.19 acres
Avg Income
$80,655
Residential Types:
187,813 housing units
Single Family
51%
2-3 Family
22%
Apts (4+ units)
6%
Other
21%
Zoning Districts:
211,559 parcels · 115 districts
R-7.5
31%(65,960)
R-6
21%(44,506)
R-2.5
18%(38,540)
R-5
7%(14,464)
Other
23%(48,089)

ADU Rules

What can you build in Kansas City, MO?

Kansas City, MO follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Detached ADU Size Limits

  • Maximum ADU floor area of 800 sq ft or 90% of the principal dwelling’s floor area, whichever is smaller.

Owner Occupancy

  • Owner must reside in either principal dwelling or ADU

Rental Restrictions

  • One unit must be owner-occupied and deed-restricted; that unit may not be rented. Standard rentals must be 30+ days; short-term rentals under 30 days allowed only for resident STRs; non-resident STRs prohibited in all R districts.

What's allowed on your lot?

These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.

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Is your property eligible for an ADU?

ADU rules in other Missouri municipalities

Rules change at the town line. Check the municipality your property is actually in.

Jackson County