

ADUs are allowed in GarnerTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Garner, NC
Is your property eligible for an ADU?
# of Properties
10,494
Owner-occupied
80%
Zoning districts
22
Avg Home Value
$473,061
Median Lot Size
0.29 acres
Avg Income
$89,995
Residential Types:
10,494 housing units
Single Family
98%
2-3 Family
1%
Other
1%
Zoning Districts:
12,047 parcels · 22 districts
R4
36%(4,348)
R4-C
27%(3,196)
R2
14%(1,656)
MF-A
9%(1,068)
Other
15%(1,779)
ADU Rules
What can you build in Garner, NC?
Garner, 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 of 800 sq ft
- –Maximum size of 50% of the principal dwelling’s floor area
Detached ADU Size Limits
- –Maximum size of 800 square feet
- –Up to 50% of the main home's floor area
- –In non-RA districts, accessory structures together are limited to 50% of the main home's heated area; the ADU cannot exceed that amount
Max Units
- –RA/R2/R4: 1 ADU/lot (R2 ≤175% of district standard; R4 ≤150%)
- –Other zones: none specified
Owner Occupancy
- –There is no owner-occupancy restriction.
Parking
- –2 off-street spaces per ADU, in addition to the principal dwelling's parking; first garage space does not count; ADU must be accessible from an existing driveway; no transit-based reductions
Rental Restrictions
- –Short-term rentals (<30 days) prohibited; long-term rentals permitted
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.
Wake County