ADUs are allowed in Unincorporated StaffordTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Stafford, VA
Is your property eligible for an ADU?
# of Properties
40,990
Owner-occupied
83%
Zoning districts
23
Avg Home Value
$485,400
Median Lot Size
0.35 acres
Avg Income
$147,560
Residential Types:
40,990 housing units
Single Family
98%
2-3 Family
1%
Apts (4+ units)
1%
Zoning Districts:
61,077 parcels · 23 districts
R1
37%(22,330)
A1
22%(13,225)
R2
13%(8,222)
A2
10%(6,327)
Other
18%(10,973)
ADU Rules
What can you build in Unincorporated Stafford, VA?
Unincorporated Stafford, 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 is 25% of the principal dwelling’s gross floor area; in T3 it is further capped at 500 sq ft.
Detached ADU Size Limits
- –Maximum 450 sq ft building footprint for a detached ADU (Carriage House) in UD districts
Max Units
- –1 ADU per lot
Owner Occupancy
- –No owner-occupancy required.
Parking
- –1.5 spaces/ADU in P-TND T4–T6; on-street spaces within 150 ft may count; transit credit up to 10%; shared parking credits apply
Rental Restrictions
- –Renting is effectively prohibited for an attached ADU; it is limited to a family member apartment, guest house (for occasional visits by family or friends), or maid's quarters and must share the same address as the principal dwelling.
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.
Check my propertyHow can we help you?
Get matched with trusted local builders
Understand what's allowed on your property
Learn the key rules and size limits for ADUs