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
16,907
Owner-occupied
88%
Zoning districts
26
Avg Home Value
$560,539
Median Lot Size
0.34 acres
Avg Income
$150,253
Residential Types:
16,907 housing units
Single Family
98%
Apts (4+ units)
2%
Zoning Districts:
19,006 parcels · 26 districts
R-1
64%(12,208)
R-2
16%(3,032)
R-3
8%(1,440)
R-L1
2%(326)
Other
11%(2,000)
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 lots under two acres, ADU area cannot exceed 30% of the principal building’s gross floor area (combined accessory-structure cap)
Max Units
- –1 per lot (Accessory residential with a principal dwelling; CUP in CB/NC/MU/TN districts)
Owner Occupancy
- –No on-site owner-occupancy required.
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
- –30-day minimum lease; no more than 11 different individuals per calendar year; short-term rentals prohibited town-wide.
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.
Check my propertyHow can we help you?
Get matched with trusted local builders
Understand what's allowed on your property
Learn the key rules and size limits for ADUs
Is your property eligible for an ADU?
ADU rules in other Tennessee municipalities
Rules change at the town line. Check the municipality your property is actually in.
Shelby County