ADUs are allowed in BuchananTypes:Detached
Types:Detached
Accessory Dwelling Unit (ADU) Rules for Buchanan, VA
Is your property eligible for an ADU?
# of Parcels
883
Zoning districts
11
Avg Parcel Value
$152,227
Median Parcel Size
0.78 acres
Zoning Districts:
893 parcels · 11 districts
RL
53%(477)
RM
16%(141)
A
10%(91)
TR
8%(68)
Other
13%(116)
ADU Rules
What can you build in Buchanan, VA?
Buchanan, VA follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Not permitted
- –Detached ADU: By Right
Detached ADU Size Limits
- –RL district: Detached ADU maximum size 1,000 sq ft
Owner Occupancy
- –Owner must occupy either the principal or accessory dwelling
Parking
- –2 spaces/ADU; no ADU-specific exemptions; general residential parking rules apply.
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.
Botetourt County