ADUs are allowed in SuwaneeTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Suwanee, GA
Is your property eligible for an ADU?
# of Properties
6,349
Owner-occupied
81%
Zoning districts
21
Avg Home Value
$645,190
Median Lot Size
0.28 acres
Avg Income
$118,578
Residential Types:
6,349 housing units
Single Family
97%
Other
3%
Zoning Districts:
7,300 parcels · 21 districts
PMUD
41%(2,969)
R-100
19%(1,390)
R-85
12%(882)
R-75
6%(414)
Other
23%(1,645)
ADU Rules
What can you build in Suwanee, GA?
Suwanee, GA follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum size of 800 sq ft of gross floor area for an internal or attached ADU (relative residence).
Detached ADU Size Limits
- –Maximum size of 800 sq ft of gross floor area for a detached accessory dwelling unit.
Owner Occupancy
- –No owner-occupancy requirement for ADUs.
Parking
- –2 spaces/ADU; max not specified; exceptions: ZBA may reduce minimum by up to 20%; shared/mixed-use reductions with a parking study; relative residence parking as-needed (no numeric amount).
Rental Restrictions
- –Detached ADU: no explicit rental limits or short-term rental prohibitions.
- –Internal ADU: occupancy limited to relatives; primary dwelling must be owner-occupied.
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.
Gwinnett County