ADUs are allowed in ButnerTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Butner, NC
Is your property eligible for an ADU?
# of Parcels
2,771
Zoning districts
21
Avg Parcel Value
$396,983
Median Parcel Size
0.47 acres
Zoning Districts:
2,773 parcels · 21 districts
RT
52%(1,455)
RS
22%(605)
RR
9%(259)
HB
4%(114)
Other
12%(340)
ADU Rules
What can you build in Butner, NC?
Butner, 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 50% of the gross habitable floor area of the principal structure
Detached ADU Size Limits
- –Maximum size of 50% of the principal dwelling's habitable floor area
- –Maximum aggregate area of accessory structures limited to 10% of lot area (applied here as an absolute cap for a detached ADU)
- –With a Special Use Permit on single-family lots over 2 acres, maximum aggregate accessory-structure area up to 150% of the principal structure (applied here as a ceiling for the detached ADU)
Max Units
- –1 ADU per lot
Parking
- –1 space/ADU; max 2 spaces/ADU; in addition to the required off-street parking serving the principal use
Rental Restrictions
- –Short-term rentals (<1 month) prohibited; minimum rental term is month-to-month or longer
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.
Granville County