

ADUs are allowed in ColumbusTypes:DetachedInternal
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.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
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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