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ADUs are allowed in Columbus
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Columbus, GA

Is your property eligible for an ADU?

# of Properties
66,170
Owner-occupied
63%
Zoning districts
28
Avg Home Value
$193,198
Median Lot Size
0.27 acres
Avg Income
$71,423
Residential Types:
66,170 housing units
Single Family
86%
2-3 Family
2%
Apts (4+ units)
3%
Condos
2%
Other
7%
Zoning Districts:
74,306 parcels · 28 districts
SFR3
30%(22,565)
SFR2
30%(22,022)
RMF1
10%(7,545)
RE1
7%(5,052)
Other
23%(17,122)

ADU Rules

What can you build in Columbus, GA?

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

Interior / Attached ADU Size Limits

  • Maximum size of 1,000 sq ft for attached or internal accessory dwellings, including enclosed garage/porch areas.

Detached ADU Size Limits

  • Maximum size of 1,000 sq ft for a detached accessory dwelling unit (includes enclosed garage, porch, or similar spaces).

Max Units

  • Guest Cottage & Employee Residence: 1 per lot
  • Groom’s Quarters: 1 per 5 stalls
  • Security Quarters (nonresidential): 1 per project/development

Owner Occupancy

  • Principal dwelling must be resident-occupied

Parking

  • 1 space/ADU; max 1; on same lot; driveway may count; CRD/UPT exemptions; changes via variance/waiver

Rental Restrictions

  • Rental of ADU prohibited; applies to attached and detached units.

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?