

ADUs are allowed in Unincorporated ClaytonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Clayton, GA
Is your property eligible for an ADU?
# of Properties
68,580
Owner-occupied
64%
Zoning districts
72
Avg Home Value
$234,067
Median Lot Size
0.30 acres
Avg Income
$74,110
Residential Types:
68,580 housing units
Single Family
94%
2-3 Family
1%
Apts (4+ units)
1%
Other
4%
Zoning Districts:
72,683 parcels · 72 districts
RS110
46%(33,566)
RS180
21%(15,162)
PUD
12%(8,469)
RG75
4%(3,061)
Other
17%(12,425)
ADU Rules
What can you build in Unincorporated Clayton, GA?
Unincorporated Clayton, GA follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: Conditional Use Permit
Interior / Attached ADU Size Limits
- –In the RT Overlay, maximum ADU size is the lesser of 800 sq ft or 75% of the primary dwelling’s living area.
Detached ADU Size Limits
- –RT Overlay: Maximum of 800 sq ft or 75% of the primary dwelling’s living area, whichever is less.
- –Single- and two-family districts: Maximum detached ADU size is 50% of the primary dwelling’s finished/livable floor area.
Max Units
- –AG/ER/RS-180: max 1 ADU per lot (detached or internal)
- –RT Overlay: max 1 ADU per primary dwelling
Owner Occupancy
- –Owner must occupy the premises, can live in ADU or main unit
Parking
- –0 spaces for ADUs in RT TOD overlay; 1 space per ADU in AG/ER/RS-180 (internal or freestanding).
Rental Restrictions
- –Detached ADU: short-term/vacation rentals allowed only for a legally established guest house; only one transient rental per parcel; parcels with multiple residences may only be used as vacation rentals with a conditional use permit.
- –Internal/attached ADU: vacation rentals not allowed; only one transient rental per parcel applies; long-term rentals have no stated limits.
ADU State Law
What can you build in Georgia?
- –Georgia does not have a statewide ADU mandate; ADU rules are set by individual municipalities.
- –Building/fire codes are set statewide, but whether an ADU is allowed is local zoning.
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 Georgia municipalities
Rules change at the town line. Check the municipality your property is actually in.
Clayton County