ADUs are allowed in KnightdaleTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Knightdale, NC
Is your property eligible for an ADU?
# of Properties
6,661
Owner-occupied
81%
Zoning districts
26
Avg Home Value
$472,335
Median Lot Size
0.19 acres
Avg Income
$112,641
Residential Types:
6,661 housing units
Single Family
99%
Zoning Districts:
7,976 parcels · 26 districts
GR8
65%(5,211)
UR12
12%(943)
GR3
7%(535)
NMX
6%(474)
Other
10%(813)
ADU Rules
What can you build in Knightdale, NC?
Knightdale, 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 ADU size is 1,000 sq ft (internal ADU).
- –Maximum ADU size is no more than the primary dwelling’s square footage (internal ADU).
Detached ADU Size Limits
- –Detached ADU maximum size: 1,000 sq ft cap.
- –Detached ADU maximum size: cannot exceed the primary dwelling unit's square footage.
Max Units
- –Single-family: 1 ADU per lot (attached or detached).
- –Duplex/multifamily: 0 ADUs.
Parking
- –1 space/ADU; extra space waived if total parking for the property meets Chapter 7 minimums; on-street substitutions allowed for one- and two-family uses when on-street space abuts the property
Rental Restrictions
- –Short-term rentals (<1 month) prohibited.
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