ADUs are allowed in ThomastonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Thomaston, GA
Is your property eligible for an ADU?
# of Properties
3,489
Owner-occupied
40%
Zoning districts
20
Avg Home Value
$149,493
Median Lot Size
0.27 acres
Avg Income
$59,849
Residential Types:
3,489 housing units
Residential
100%
Zoning Districts:
4,389 parcels · 20 districts
R-1
37%(1,632)
R-2
36%(1,561)
C-2
9%(374)
PD
3%(132)
Other
16%(690)
ADU Rules
What can you build in Thomaston, GA?
Thomaston, 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 heated floor area for an internal accessory dwelling unit (in-home apartment): 864 sq ft.
- –Maximum combined heated + unheated ADU area cannot exceed the principal dwelling's heated floor area (parcel HABITABLE_SQFT). Applies to internal/attached ADUs.
Detached ADU Size Limits
- –Maximum heated floor area for a detached ADU is 864 sq ft.
- –Total ADU floor area (heated + unheated, including integral garage) may not exceed the principal dwelling’s heated floor area.
Max Units
- –1 ADU per lot on single-family detached (ES-1, ES-2, R-1, R-2); ADUs not permitted on duplex, triplex, quadruplex or multifamily.
Owner Occupancy
- –Owner-occupancy not required.
Parking
- –1 space/ADU (in addition to 2 spaces for the principal dwelling; total at least 3 on the lot); existing ADUs prior to the effective date exempt; deviations may be approved case-by-case by the building official
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.
Upson County