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ADUs are allowed in Unincorporated Effingham
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Accessory Dwelling Unit (ADU) Rules for Unincorporated Effingham, GA

Is your property eligible for an ADU?

# of Properties
14,534
Owner-occupied
75%
Zoning districts
34
Avg Home Value
$205,820
Median Lot Size
0.59 acres
Avg Income
$99,332
Residential Types:
14,534 housing units
R
100%
Zoning Districts:
27,178 parcels · 34 districts
AR-1
41%(11,234)
R-1
25%(6,847)
PD
12%(3,246)
AR-2
11%(2,998)
Other
10%(2,853)

ADU Rules

What can you build in Unincorporated Effingham, GA?

Unincorporated Effingham, GA follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Size Limits

  • Maximum size of 75% of the principal dwelling’s gross floor area

Max Units

  • AR-1/2/3, R-1, R-6: 1 ADU per lot
  • R-2 (duplex/townhome/narrow-lot): 1 ADU

Owner Occupancy

  • Owner-occupancy not required for ADUs

Parking

  • 0 spaces required for ADUs; no maximum stated; general dwelling parking rules apply (on the same lot as the principal building; no front-yard parking beyond driveways)

ADU State Law

What can you build in Georgia?

  • Georgia does not have a statewide ADU mandate; ADU rules are set by individual municipalities.
  • Building/fire codes are set statewide, but whether an ADU is allowed is local zoning.

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 Georgia municipalities

Rules change at the town line. Check the municipality your property is actually in.

Effingham County