ADU rules for Signal Mountain
Accessory Dwelling Unit (ADU) Rules for Signal Mountain, TN
Is your property eligible for an ADU?
# of Properties
3,407
Owner-occupied
81%
Zoning districts
8
Avg Home Value
$594,845
Median Lot Size
0.62 acres
Avg Income
$138,216
Residential Types:
3,407 housing units
Single Family
99%
Apts (4+ units)
1%
Zoning Districts:
3,561 parcels · 8 districts
LDR
89%(3,158)
R-E
5%(181)
HDR
3%(117)
MDR
2%(55)
Other
1%(50)
ADU Rules
What can you build in Signal Mountain, TN?
Signal Mountain, TN follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Not addressed in the local bylaw
- –Detached ADU: Not permitted
Max Units
- –Detached ADUs prohibited town-wide: 0 per lot.
- –RE District: 1 guest house/employee quarters per lot, in addition to 1 principal building per lot.
Owner Occupancy
- –No owner-occupancy requirement applies.
Rental Restrictions
- –Detached ADUs prohibited; no accessory building shall be used for living quarters, effectively banning creation or rental of a detached ADU.
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.
Hamilton County