ADUs are allowed in BurrillvilleTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Burrillville, RI
Is your property eligible for an ADU?
# of Properties
5,221
Owner-occupied
78%
Zoning districts
15
Avg Home Value
$320,046
Median Lot Size
0.77 acres
Avg Income
$122,909
Residential Types:
5,221 housing units
Single Family
84%
2-3 Family
13%
Other
4%
Zoning Districts:
6,935 parcels · 15 districts
F5
40%(2,770)
R20
21%(1,459)
R12
18%(1,219)
F2
8%(534)
Other
14%(953)
ADU Rules
What can you build in Burrillville, RI?
Burrillville, RI 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 ADU size: studio/one-bedroom capped at 900 sq ft or 60% of the principal dwelling’s floor area (whichever is less); two-bedroom capped at 1,200 sq ft or 60% (whichever is less). For multifamily principals, an additional cap of two-thirds of the largest unit applies.
Detached ADU Size Limits
- –Maximum building area of 900 sq ft for a studio or one-bedroom ADU, or 1,200 sq ft for a two-bedroom ADU.
- –Maximum building area of 60% of the principal dwelling’s floor area.
Max Units
- –1 ADU per lot (single-family or multifamily; attached/internal or detached)
Owner Occupancy
- –Owner must occupy principal or ADU, except large lots or footprint-only ADUs.
Parking
- –1 space per ADU bedroom + principal dwelling’s required spaces; no waivers; no max
Rental Restrictions
- –Short-term/transient rentals prohibited; minimum 1-year lease.
- –Renting both units simultaneously allowed only if lot >= 20,000 sq ft or ADU within existing footprint (no expansion).
ADU State Law
What can you build in Rhode Island?
- –On an owner-occupied property as a reasonable accommodation for family members with disabilities;
- –On a lot with a total lot area of twenty thousand square feet (20,000 sq. ft.) or more for which the primary use is residential;
- –Where the proposed ADU is located within the existing footprint of the primary structure or existing accessory attached or detached structure and does not expand the footprint of the structure.
- –Subject to applicable dimensional requirements of the municipality
- –As per §45-24-38 of the RI Zoning Enabling Act, if an existing lot is smaller than the minimum lot size required by zoning, its setback requirements are reduced in proportion to the lot's size, and its maximum lot coverage is increased by the inverse proportion.
- –One ADU per lot
- –No short term rentals
- –Studio or 1 bedroom ADU may be up to 900 sq ft or 60% of the Gross Floor Area of the principal dwelling, whichever is less
- –2 bedroom ADU may be up to 1200 sq ft or 60% of the Gross Floor Area of the principal dwelling, whichever is less
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 Rhode Island municipalities
Rules change at the town line. Check the municipality your property is actually in.
Providence County