

ADUs are allowed in MiltonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Milton, GA
Is your property eligible for an ADU?
# of Properties
13,882
Owner-occupied
78%
Zoning districts
37
Avg Home Value
$977,705
Median Lot Size
1.00 acres
Avg Income
$206,198
Residential Types:
13,882 housing units
Single Family
92%
Other
7%
Zoning Districts:
14,839 parcels · 37 districts
AG-1
46%(6,851)
CUP
13%(1,946)
T5-L
12%(1,735)
TR
9%(1,361)
Other
20%(2,946)
ADU Rules
What can you build in Milton, GA?
Milton, 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 habitable area of 440 sq ft for an internal/attached ADU in the Crabapple and Deerfield Form-Based Code areas (parking excluded).
Detached ADU Size Limits
- –Maximum size of 1,500 sq ft citywide; in Crabapple and Deerfield form-based code areas, maximum 440 sq ft of habitable area (parking excluded).
Max Units
- –Crabapple & Deerfield FBC (Restricted/Limited Residential): 1 ADU per lot
Parking
- –2 spaces/ADU; no max stated; on-street parking credits 1-for-1; 5% reduction for transit within 1,500 ft; shared/admin reductions to 90% of base; form-based codes may count frontage street parking toward residential parking.
Rental Restrictions
- –Renting is prohibited for the detached ADU; occupancy as a guesthouse is allowed only for relatives, guests, or employees without payment for rent.
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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ADU rules in other Georgia municipalities
Rules change at the town line. Check the municipality your property is actually in.
Fulton County