ADUs are allowed in Unincorporated ShelbyTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Shelby, TN
Is your property eligible for an ADU?
# of Properties
38,325
Owner-occupied
72%
Zoning districts
29
Avg Home Value
$343,101
Median Lot Size
0.24 acres
Avg Income
$96,485
Residential Types:
38,325 housing units
Single Family
99%
Apts (4+ units)
1%
Zoning Districts:
43,947 parcels · 29 districts
CA
48%(21,183)
R-8
16%(7,121)
R-6
13%(5,516)
R-10
12%(5,100)
Other
11%(5,027)
ADU Rules
What can you build in Unincorporated Shelby, TN?
Unincorporated Shelby, TN 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
- –Internal or attached ADUs are prohibited; maximum size is 0 sq ft
Detached ADU Size Limits
- –Maximum detached ADU living area based on lot size: 0 sq ft on lots under 7,000 sq ft; otherwise the smaller of 700 sq ft or one-third of the principal dwelling’s gross floor area on lots under 1.5 acres, or 50% of gross floor area on lots 1.5 acres or more; in all cases not exceeding the principal dwelling’s living area.
- –With administrative deviation, the maximum detached ADU size above may be increased by up to 10%, but never beyond the principal dwelling’s living area.
Owner Occupancy
- –Owner-occupancy not required
Parking
- –0 spaces per ADU; 1 additional space is required only if ADU would reduce existing parking below underlying zoning; the extra space must be on the same premises and located in the side or rear yard or on the ground floor of the ADU.
Rental Restrictions
- –Short-term rentals (<30 days) prohibited
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 Tennessee municipalities
Rules change at the town line. Check the municipality your property is actually in.
Shelby County