ADUs are allowed in MorristownTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Morristown, TN
Is your property eligible for an ADU?
# of Properties
10,101
Owner-occupied
60%
Zoning districts
20
Avg Home Value
$223,102
Median Lot Size
0.34 acres
Avg Income
$54,690
Residential Types:
10,101 housing units
Residential
100%
Zoning Districts:
12,840 parcels · 20 districts
R2
47%(6,091)
R1
25%(3,168)
IB
8%(1,020)
R3
4%(476)
Other
16%(2,085)
ADU Rules
What can you build in Morristown, TN?
Morristown, 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 800 sq ft for an internal or attached accessory dwelling unit.
- –Maximum size limited to 30% of the principal residence’s gross floor area for an internal or attached accessory dwelling unit.
Detached ADU Size Limits
- –Maximum size is the lesser of 800 sq ft or 30% of the principal residence’s gross floor area.
Max Units
- –1 accessory residential dwelling per lot
Owner Occupancy
- –Owner-occupancy is not required.
Parking
- –1 space/ADU (in addition to principal-residence parking); maximum 2 spaces/ADU; no ADU-specific reductions or waivers
Rental Restrictions
- –ADU cannot be rented as a separate unit from the principal residence
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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Learn the key rules and size limits for ADUs