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ADUs are allowed in Germantown
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Germantown, TN

Is your property eligible for an ADU?

# of Properties
14,502
Owner-occupied
91%
Zoning districts
21
Avg Home Value
$582,244
Median Lot Size
0.35 acres
Avg Income
$157,283
Residential Types:
14,502 housing units
Single Family
93%
Apts (4+ units)
7%
Zoning Districts:
15,783 parcels · 21 districts
R
55%(8,699)
R-1
16%(2,495)
R-T
11%(1,665)
RE-1
4%(607)
Other
15%(2,317)

ADU Rules

What can you build in Germantown, TN?

Germantown, TN follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Max Units

  • 1 in principal building + 1 in ancillary building (ancillary ≤ 500 sq ft)

Owner Occupancy

  • ADUs must share single ownership with the principal dwelling.

Parking

  • 1 space/ADU; principal dwelling requires 2 spaces in T3; 1.5 spaces/du in T4/T4R/T5R; 1.0 space/du in T5/T6; on-street frontage counts; no explicit residential max; >120% of min may require Justifiable Design Alternative; shared parking may reduce 1.5 in mixed-use areas.

Rental Restrictions

  • Short-term rentals (<30 days) prohibited in conventional residential districts; long-term rentals permitted

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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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

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