ADUs are allowed in Unincorporated ClayTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Clay, MO
Is your property eligible for an ADU?
# of Properties
1,774
Owner-occupied
53%
Zoning districts
18
Avg Home Value
$320,692
Median Lot Size
13.82 acres
Avg Income
$115,312
Residential Types:
1,774 housing units
Single Family
24%
2-3 Family
11%
Other
66%
Zoning Districts:
8,535 parcels · 18 districts
AG
44%(3,741)
R-1
34%(2,924)
R-1A
11%(938)
R-1B
5%(425)
Other
6%(507)
ADU Rules
What can you build in Unincorporated Clay, MO?
Unincorporated Clay, MO follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum size is the greater of 33% of the principal dwelling’s footprint or 1,200 sq ft.
Detached ADU Size Limits
- –Maximum detached ADU building area is the greater of 33% of the principal dwelling’s footprint or 1,200 sq ft.
Owner Occupancy
- –No owner-occupancy requirement
Parking
- –1 space/ADU; on-site parking required; conversions may not reduce the principal dwelling's 2-space requirement; off-site parking cannot satisfy residential spaces; detached ADUs may have at most a 1-car garage.
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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ADU rules in other Missouri municipalities
Rules change at the town line. Check the municipality your property is actually in.
Clay County