The Accessory Dwelling Unit (ADU) zoning laws in Cranston, Rhode Island, are designed to provide flexibility and support for homeowners seeking to add secondary dwelling units to their properties. Here are the key points regarding ADU regulations:
Number of Units Allowed: Typically, one ADU is permitted per single-family lot. ADUs can be either attached or detached from the primary residence.
Building Size: The size of the ADU is generally limited to a percentage of the main dwelling’s size or a specific maximum square footage, often around 800 square feet.
Building Height: ADUs are usually restricted to a height that is compatible with the surrounding neighborhood. For detached units, this might be a single story or a maximum height of 15-20 feet.
Setback Requirements: ADUs must comply with standard setback requirements, which can vary but typically include minimum distances from property lines (e.g., 5 feet from side and rear property lines).
Parking: Cranston generally requires one additional parking space for the ADU. However, this can vary based on the specific location and availability of street parking.
Owner-Occupancy: The property owner is usually required to live in either the main house or the ADU. This is to ensure that properties with ADUs maintain a level of owner oversight.
Rental Requirements: ADUs can often be rented out, providing a source of additional income. However, rental terms might be regulated to ensure they meet local housing standards and fair housing laws.
Additional Requirements: ADUs must adhere to all relevant building codes and obtain the necessary permits before construction. There may also be restrictions on the use of ADUs for short-term rentals to ensure they contribute to the local housing supply.
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