ADUs are allowed in ColliervilleTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Collierville, TN
Is your property eligible for an ADU?
# of Properties
16,905
Owner-occupied
88%
Zoning districts
26
Avg Home Value
$560,545
Median Lot Size
0.34 acres
Avg Income
$150,255
Residential Types:
16,905 housing units
Single Family
98%
Apts (4+ units)
2%
Zoning Districts:
19,086 parcels · 26 districts
R-1
64%(12,205)
R-2
16%(3,033)
R-3
8%(1,444)
R-L1
2%(326)
Other
11%(2,078)
ADU Rules
What can you build in Collierville, TN?
Collierville, TN 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
- –Maximum size of 800 sq ft
- –Maximum size of 50% of the principal dwelling’s gross floor area
Detached ADU Size Limits
- –Maximum ADU size is the lesser of 800 sq ft or 50% of the principal dwelling’s gross floor area
- –On residential lots under 2 acres, all accessory structures combined may not exceed 30% of the principal building’s gross floor area; the ADU is limited to the remaining share
Parking
- –1-2 off-street spaces per ADU (in addition to the principal dwelling’s parking); ADUs allowed only in Special Areas 3, 4, 5, 6, 8, 9 and must be accessory to an existing principal dwelling.
Rental Restrictions
- –Short-term rentals prohibited town-wide (no STRs).
- –ADUs cannot be leased for fewer than 30 days or to more than 11 individuals per year; deed restrictions must be recorded before permits.
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