ADUs are allowed in GastoniaTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Gastonia, NC
Is your property eligible for an ADU?
# of Properties
27,263
Owner-occupied
66%
Zoning districts
63
Avg Home Value
$288,865
Median Lot Size
0.29 acres
Avg Income
$73,715
Residential Types:
27,664 housing units
Single Family
93%
2-3 Family
1%
Apts (4+ units)
4%
Condos
3%
Zoning Districts:
34,721 parcels · 63 districts
RS-12
36%(12,396)
RS-8
31%(10,751)
PD-PRD
12%(4,063)
RMF
3%(1,124)
Other
18%(6,387)
ADU Rules
What can you build in Gastonia, NC?
Gastonia, NC 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 is the lesser of 800 sq ft or 50% of the principal dwelling’s ground-floor area; no explicit maximum in the RRD.
Detached ADU Size Limits
- –Maximum size is the lesser of 800 sq ft or 50% of the principal dwelling’s ground-floor area.
- –For detached homes, duplexes, and townhomes, the combined floor area of all accessory structures (including a detached ADU) is capped at 600 sq ft on lots under 10,000 sq ft, 900 sq ft on 10,000–30,000 sq ft, or 1,200 sq ft on larger lots, further limited to 75% of the principal building footprint.
Owner Occupancy
- –Owner must live on site and own both units.
Parking
- –Min: not stated; Max: 1 space/ADU; Exceptions: provided parking must be with principal unit's parking unless corner/through lot with separate drive; if served by a rear lane/alley, ADU parking off the rear lane; access via the same drive unless corner/through lot or rear lane.
Rental Restrictions
- –ADUs shall not serve as rental units (except in a Traditional Neighborhood Development); applies to both detached and attached ADUs.
ADU State Law
What can you build in North Carolina?
- –North Carolina 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.
- –There is active proposed legislation (H627 / S495, "Regulation of Accessory Dwelling Units") that would create G.S. 160D-917 and require local governments to allow at least one ADU in certain single-family areas, but it is not enacted.
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 North Carolina municipalities
Rules change at the town line. Check the municipality your property is actually in.
Gaston County