ADU rules in East Providence, RI — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
East Providence adopted ADU regulations in September 2025 conforming to RIGL 45-24-73. One ADU per lot, max 800 sq ft or 40% of primary dwelling. Detached ADUs allowed on lots as small as 5,000 sq ft. Owner occupancy required. No STR use.
The East Providence City Council unanimously approved ADU regulations on September 2, 2025, conforming to state law. One ADU per single-family residential lot is permitted. The local ordinance allows detached ADUs on lots of 5,000+ sq ft (more permissive than state's 20,000 sq ft threshold). Maximum size: 800 sq ft or 40% of primary dwelling's floor area, whichever is smaller. Owner must reside in either the primary residence or the ADU. ADUs may be inside the existing home, attached, or in a separate structure. Short-term rental use is prohibited. ADUs cannot be offered on hosting platforms. HOA restrictions on ADUs are void per state law.
Unpermitted ADU: stop-work order. ADU as STR: violation of state and local law. Non-owner-occupied: zoning violation.
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Side-by-side rule comparisons with other cities in Providence County.
See how other cities in Providence County handle adu rules.
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