ADUs are allowed in LebanonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Lebanon, TN
Is your property eligible for an ADU?
# of Properties
13,973
Owner-occupied
74%
Zoning districts
34
Avg Home Value
$429,835
Median Lot Size
0.29 acres
Avg Income
$91,812
Residential Types:
13,973 housing units
Residential
100%
Zoning Districts:
17,599 parcels · 34 districts
RD9
22%(3,906)
RS20
22%(3,834)
RS12
12%(2,033)
RXH
7%(1,274)
Other
37%(6,552)
ADU Rules
What can you build in Lebanon, TN?
Lebanon, 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 internal accessory dwelling unit size is 700 square feet.
Detached ADU Size Limits
- –Maximum detached ADU size is 700 sq ft of conditioned area.
- –Maximum detached ADU building footprint is 700 sq ft.
Max Units
- –1 ADU per lot (in addition to the primary building).
- –1 ADU per parcel (UC, RPI, RXH)
Owner Occupancy
- –No owner-occupancy requirement.
Parking
- –No numeric ADU parking requirement; setbacks only (Residential Infill Overlay District): street behind street-facing facade; side 2.5 ft; rear 2.5 ft; Off-Street Parking table has no ADU rate
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.
Wilson County