ADUs are allowed in Unincorporated GreeneTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Greene, VA
Is your property eligible for an ADU?
# of Properties
2
Zoning districts
13
Zoning Districts:
11,662 parcels · 13 districts
A-1
52%(6,045)
R-1
28%(3,245)
C-1
8%(977)
PUD
7%(770)
Other
5%(625)
ADU Rules
What can you build in Unincorporated Greene, VA?
Unincorporated Greene, VA 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 for an internal/attached ADU (in-home apartment).
Detached ADU Size Limits
- –By-right detached ADU size cap in A-1, C-1, R-1 due to accessory structure threshold: 768 sq ft.
- –Maximum detached ADU size: 800 sq ft (countywide ADU cap).
- –With Special Use Permit in A-1, C-1, R-1, detached ADU size up to 800 sq ft allowed (769–800 sq ft requires SUP for accessory structure).
Max Units
- –1 ADU per parcel
Owner Occupancy
- –Owner must occupy one unit as permanent residence.
Parking
- –2 off-street spaces per ADU; no max stated. General residential parking requires 2 spaces per dwelling unit on the same lot, and ADUs must meet Article 16 design standards (all-weather surface, min 162 sq ft, typical stalls 9×18 ft with 24-ft aisle or 10×18 ft with 20-ft aisle); no transit-based reductions.
Rental Restrictions
- –Short-term/vacation rentals not permitted for ADUs (detached or internal); ADUs cannot be used for tourist lodging.
ADU State Law
What can you build in Virginia?
- –Virginia 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.
- –SB 304 would have mandated ADUs. It passed the Virginia Senate in 2024 but was continued/left in House committee (i.e., not enacted statewide)
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 Virginia municipalities
Rules change at the town line. Check the municipality your property is actually in.
Greene County