ADUs are allowed in MarvinTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Marvin, NC
Is your property eligible for an ADU?
# of Properties
2,240
Owner-occupied
88%
Zoning districts
13
Avg Home Value
$1,145,645
Median Lot Size
0.72 acres
Avg Income
$234,435
Residential Types:
2,240 housing units
Residential
100%
Zoning Districts:
2,392 parcels · 13 districts
SFR-2
46%(1,100)
SFR-3
21%(510)
SFR-1
12%(289)
RR
11%(257)
Other
10%(236)
ADU Rules
What can you build in Marvin, NC?
Marvin, 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 900 sq ft or 40% of the principal dwelling’s gross floor area, whichever is less.
- –By variance: maximum size of 1,200 sq ft or 50% of the principal dwelling’s gross floor area, whichever is less.
Detached ADU Size Limits
- –Maximum ADU size of 900 sq ft or 40% of the principal dwelling's gross floor area, whichever is less.
- –With a granted variance, maximum ADU size of 1,200 sq ft or 50% of the principal dwelling's gross floor area, whichever is less.
Max Units
- –Single-family lots: 1 ADU/lot (attached/internal or detached)
- –Duplex or multifamily lots: 0
- –Heritage District: 0
Parking
- –Min 1 space/ADU; max 2 spaces/ADU. On-street parking cannot count toward the minimum. 12% reduction allowed with fully enclosed bicycle lockers (except for single-family detached). One ADU parking space may be provided and, if provided, must be with the principal dwelling’s parking unless a corner/through lot provides a separate drive.
Rental Restrictions
- –Two-night minimum for short-term ADU rentals in SFR-1/SFR-2; occupancy cap: two per bedroom plus two
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.
Union County