South Kingston, RI ADU Laws

Number of Units Allowed:

• One ADU is allowed per property with a legally established single-family dwelling.

Building Size:

• The size of the ADU is typically limited to 800 square feet or 40% of the principal dwelling’s floor area, whichever is smaller.

Building Height:

• ADUs must comply with the height restrictions of the underlying zoning district, often not exceeding the height of the primary residence.

Setback Requirements:

• ADUs must meet the same setback requirements as the primary dwelling, which includes maintaining minimum distances from property lines.

Parking:

• At least one additional off-street parking space is required for the ADU.

Owner-Occupancy:

• The property owner must reside in either the primary residence or the ADU.

Rental Requirements:

• ADUs can be rented, but short-term rentals (such as those under 30 days) are generally restricted to ensure they contribute to long-term housing solutions.

Additional Requirements:

• ADUs must adhere to local building codes and obtain necessary permits.
• The ADU must be recorded in the land records at the town hall.
• Adequate sewage and water systems must be in place to support the additional unit.