

ADUs are allowed in LagrangeTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Lagrange, GA
Is your property eligible for an ADU?
# of Properties
11,811
Owner-occupied
42%
Zoning districts
21
Median Lot Size
0.28 acres
Avg Income
$59,006
Residential Types:
11,811 housing units
Residential
100%
Zoning Districts:
14,069 parcels · 21 districts
TN-R
44%(6,213)
SU-R
25%(3,453)
CR-MX
9%(1,275)
AC-MX
6%(854)
Other
16%(2,274)
ADU Rules
What can you build in Lagrange, GA?
Lagrange, 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
Detached ADU Size Limits
- –Maximum Backyard Cottage size of 1,000 sq ft
- –Citywide cap for accessory structures with floor area of 1,500 sq ft (also applies to ADUs)
Max Units
- –1 ADU per principal dwelling unit.
- –Duplex: up to 2 ADUs/lot (1 per unit).
- –Non-ag/non-industrial: max 3 accessory structures/lot; detached ADUs count.
Parking
- –1 space/ADU; DT-MX has no minimum (ADUs not permitted there); off-street mins may be reduced via shared parking; on-street credits may count toward off-street parking
Rental Restrictions
- –Short-term rentals: allowed by district (CR-MX/AC-MX/DT-MX by right; ES-R/SU-R/TN-R with SUP); prohibited in all other districts.
- –Requires a separate STR permit per structure; 2026 cap of 5 additional permits per year (no applications after Jan 10, 2025).
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.
Troup County