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ADUs are allowed in Unincorporated Henrico
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Unincorporated Henrico, VA

Is your property eligible for an ADU?

# of Properties
113,513
Owner-occupied
78%
Zoning districts
59
Avg Home Value
$462,953
Median Lot Size
0.29 acres
Avg Income
$110,986
Residential Types:
113,513 housing units
Single Family
85%
Condos
6%
Other
9%
Zoning Districts:
124,188 parcels · 59 districts
R-3
21%(26,036)
R-4
14%(17,378)
A-1
8%(9,680)
RTHC
6%(7,403)
Other
51%(63,691)

ADU Rules

What can you build in Unincorporated Henrico, VA?

Unincorporated Henrico, VA follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Interior / Attached ADU Size Limits

  • –Maximum size of 800 sq ft
  • –Maximum size of 35% of the principal dwelling’s finished floor area

Detached ADU Size Limits

  • –Maximum ADU size of 800 sq ft
  • –Maximum ADU size of 35% of the principal dwelling’s finished floor area

Max Units

  • –Single-family detached: 1 ADU/lot
  • –Duplex/townhouse/multifamily/manufactured: 0 ADUs/lot

Parking

  • –1 space/ADU in addition to spaces required for the principal dwelling; must use the same driveway as the principal dwelling unless accessed from a different right-of-way (rear alley or separate street on a corner/through lot)

Rental Restrictions

  • –Short-term rentals (<30 days) prohibited; ADU must not be offered, leased, or rented for tenancies of less than 30 days.

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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Is your property eligible for an ADU?

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