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City of Newport
City of Newport Zoning Ordinance
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§ 17.79.030

Development standards

  • A. Number of ADUs on a property: no more than one ADU shall be allowed per lot.

  • B. Size: A studio or one-bedroom ADU is allowed to be up to nine hundred (900) square feet, or sixty (60) percent of the floor area of the principal building, whichever is less; and a two-bedroom ADU is allowed to be up to one thousand two hundred (1,200) square feet, or sixty (60) percent of the floor area of the principal building, whichever is less. Minimum sizes are determined by the building code. ADUs are limited to a maximum of two bedrooms.

  • C. Ingress and egress: The ADU shall have separate ingress and egress from the principal unit, either from the exterior of the principal building or from a common interior area.

  • D. A footprint expansion of an existing structure is allowed up to one hundred (100) square feet demonstrated to be exclusively for the purposes of ingress and egress. Such expansions shall be compliant with the setbacks established for the applicable zoning district.

  • E. Setbacks and Height: ADUs shall be subject to the setback and height requirements in Chapter 17.78, Accessory Uses, Buildings, and Structures.

  • F. Parking: One parking space is required for an ADU, which shall be located on the same lot. Any parking spaces removed due to the ADU must be offset on site.

  • G. Density: Accessory dwelling units shall not be subject to density requirements.

  • H. Ownership: For any lot on which an ADU is located, all structures on the lot, and all areas of all structures on the lot shall be held in single, joint, common or otherwise undivided ownership.

  • I. Infrastructure Improvements: The city will only require infrastructure improvements in connection with the ADU, including, but not limited to, separate or upgraded water or sewer service lines or expanded septic system capacity, if necessary to comply with building code requirements, or to address capacity or upgrades necessary to accommodate the ADU.

  • J. ADUs shall not be offered or rented for guest house or transient use or through a hosting platform, as such terms are defined in R.I.G.L. §42-63.1-2.

(Ord. No. 2024-27, § 1, 8-28-2024)