Georgia ADU Laws & Rules (2026)

Compare ADU zoning rules across 2 Georgia cities. Average ADU score: 5.5/10.

Avg Score: 5.5/102 Cities

Key Georgia ADU Laws

Georgia ADU Overview

  • 2 cities currently covered with detailed ADU zoning data
  • Average ADU-friendliness score: 5.5/10
  • Rules vary by city — check individual city pages for details
  • We're actively expanding coverage in Georgia

Georgia Cities ADU Comparison

CityMax SizeSetbacksPermit FeesBuild Cost1BR RentScore
Atlanta 750 sq ft (allowed by-right in R-4, R-4A, R-5 zones) 4-15 ft (varies by zone: 4 ft in R-5; 15 ft in R-4/R-4A) $2,400-$4,000 $120,000-$240,000 $1,300-$1,750/mo 6/10
Savannah 800 sq ft or 40% of the principal dwelling's heated floor area (whichever is less) 4 feet (detached accessory; Confirm with Savannah Planning for your zone) $2,800-$4,500 $130,000-$260,000 $1,300-$1,800/mo 5/10

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