

ADUs are allowed in Unincorporated WilsonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Wilson, TN
Is your property eligible for an ADU?
# of Properties
28,184
Owner-occupied
75%
Zoning districts
36
Avg Home Value
$495,414
Median Lot Size
1.06 acres
Avg Income
$106,334
Residential Types:
28,184 housing units
Other
100%
Zoning Districts:
33,500 parcels · 36 districts
R-1
50%(16,887)
A-1
46%(15,249)
R-2
2%(545)
CXU
1%(233)
Other
2%(586)
ADU Rules
What can you build in Unincorporated Wilson, TN?
Unincorporated Wilson, 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
- –Maximum size of 600 sq ft of total heated area for an internal in-home apartment.
Detached ADU Size Limits
- –Maximum size of 1,000 sq ft for a detached accessory dwelling unit (total heated area).
Max Units
- –1 ADU per lot; 1 IADQ per lot; combination: 1 detached ADU + 1 internal accessory dwelling quarters on the same lot
Owner Occupancy
- –No owner-occupancy requirement.
Parking
- –2 off-street spaces per dwelling unit; on-street parking prohibited countywide; parking for Internal Accessory Dwelling Quarters must occur on private property; Planning Commission may approve alternate parking arrangements for single- and two-family properties.
Rental Restrictions
- –No ADU may be used as a Bed and Breakfast/Inn or Short-term Rental without approval from the Board of Zoning Appeals; short-term rentals are defined as stays under 30 days.
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.
Wilson County