

ADUs are allowed in WindsorTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Windsor, VA
Is your property eligible for an ADU?
# of Properties
1,063
Owner-occupied
58%
Zoning districts
18
Avg Home Value
$220,521
Median Lot Size
0.45 acres
Avg Income
$72,002
Residential Types:
1,063 housing units
Single Family
74%
Other
26%
Zoning Districts:
1,470 parcels · 18 districts
R-1
45%(657)
MHP
13%(193)
RAC
12%(180)
A-1
11%(155)
Other
19%(285)
ADU Rules
What can you build in Windsor, VA?
Windsor, VA follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: Not addressed in the local bylaw
Interior / Attached ADU Size Limits
- –Maximum size of one-third of the primary dwelling's gross floor area; conditional use approval required for an immediate family member apartment.
Max Units
- –R-1/LDR: 1 ADU per lot inside the primary dwelling; max 1/3 of the primary dwelling floor area.
Parking
- –2 spaces per ADU; no max. Off-site parking within 300 ft allowed if on-site spaces aren’t reasonably provided; spaces for one use may not be assigned to another use.
Rental Restrictions
- –Accessory apartment in R-1/LDR can only be used for an immediate family member and may not exceed one-third of the primary dwelling; renting to non-family members 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.
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