

ADUs are allowed in Unincorporated WarrenTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Warren, NC
Is your property eligible for an ADU?
# of Properties
8
Zoning districts
26
Zoning Districts:
21,884 parcels · 26 districts
AR
54%(11,762)
R
22%(4,731)
RL
17%(3,678)
R-20
2%(490)
Other
6%(1,223)
ADU Rules
What can you build in Unincorporated Warren, NC?
Unincorporated Warren, 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 for an internal in-home apartment is 25% of the primary dwelling’s size.
Detached ADU Size Limits
- –Maximum detached ADU size: 50% of the primary dwelling size.
Owner Occupancy
- –Owner occupancy is not required for ADUs.
Parking
- –2 spaces per dwelling unit; ADU counts as a dwelling unit; no maximum; off-site parking allowed within 400 feet on land under same ownership if on-site parking cannot be reasonably provided; spaces for one use may not be assigned to another; limited shared parking exceptions for churches/theaters.
Rental Restrictions
- –Detached ADU: short-term rentals prohibited; only weekly-or-longer terms allowed.
- –Attached/internal ADU: efficiency apartment within the primary dwelling may not be rented; attached ADU must follow weekly-or-longer terms.
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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