ADUs are allowed in Unincorporated RockinghamTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Rockingham, VA
Is your property eligible for an ADU?
# of Properties
4,006
Owner-occupied
67%
Zoning districts
33
Avg Home Value
$57,965
Median Lot Size
0.44 acres
Avg Income
$83,490
Residential Types:
4,006 housing units
Residential Lot
100%
Zoning Districts:
37,529 parcels · 33 districts
A2
52%(19,438)
A1
12%(4,560)
R2
9%(3,341)
R5
7%(2,500)
Other
20%(7,690)
ADU Rules
What can you build in Unincorporated Rockingham, VA?
Unincorporated Rockingham, 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 1,500 sq ft for an accessory dwelling unit, which also applies to internal or attached in-home apartments.
- –For an in-home apartment within a single-family dwelling, the maximum is 600 sq ft or 25% of the dwelling’s finished floor area, whichever is greater.
Detached ADU Size Limits
- –Maximum size of 1,500 sq ft of enclosed area for a detached accessory dwelling.
Max Units
- –1 ADU per parcel (all districts)
Parking
- –1 space per ADU; no max. On-street parking may count toward the minimum; if not provided, off-street spaces must be on the same lot or, if not feasible, on other off-street property within 150 ft of the property line. Shared parking may be approved by the zoning administrator.
Rental Restrictions
- –Internal/attached ADU: owner must reside in the dwelling; independent living quarters may be occupied only by immediate family or a caretaker; renting to the general public is prohibited.
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.
Rockingham County
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