A.   Purpose: Internal Accessory Dwelling Units (IADUs) in single-family residential zones are an important tool in the overall housing goals and needs of the city and allow for alternative and flexible housing options in owner-occupied single-family residences. The purposes of the IADU standards of this code are to:

      1.   Create new housing units while respecting the appearance, neighborhood character, and scale of single-family residential development.

      2.   Provide more housing choices in residential zones.

      3.   Allow more efficient use of existing housing and large underutilized yards.

      4.   Provide housing options for family caregivers, adult children, aging parents, and families seeking smaller households.

      5.   Offer a means for residents, particularly seniors, single parents, and families with grown children, to remain in their homes and neighborhoods, and obtain extra income, security, companionship, and services.

      6.   Broaden the range of affordable housing options throughout the City.

   B.   Definitions:

      OWNER-OCCUPANCY: Any one of the following individuals resides on the subject property for the entire time during which an accessory dwelling unit or principal dwelling is rented or otherwise occupied by:

         1.   An individual who is listed on a recorded deed as an owner of the property;

         2.   Any person who is related by blood, marriage or adoption to an individual who is listed on a recorded deed as an owner of the property; or

         3.   An individual who is a trustor of a family trust who possesses legal ownership of the property.

   C.   The occupants of an IADU shall be limited by one of the following family categories:

      1.   One (1) person living alone; or

      2.   Two (2) related or unrelated adults and their children.

      3.   Any of the above categories plus a temporary guest. A "temporary guest" is defined as a person who stays with a family for a period of less than ninety (90) days within any rolling one (1) year period and does not utilize the dwelling as a legal address for any purpose.

   D.   Local Requirements in accordance with Utah Code 10-9a-530-4, the city:

      1.   Zones - Within the R-1, R-3 and RT zones only, IADUs are allowed in single-family, not allowed in multi-family lots or lots that do not meet requirements (parking, setbacks, etc.)

      2.   Entire structure must be in compliance with all applicable codes, including building, health and fire codes. An initial building inspection and fire inspection must be completed prior to approval of and/or issuance of IADU permit.

      3.   IADUs may only be rented, not sold.

      4.   One IADU maximum per lot.

      5.   Lot size must be a minimum of six thousand (6,000) square feet.

      6.   Separate accessible entrance or stairway that must be located on the side or the back.

      7.   Same address number, but refer to the IADU as "Unit B." Addresses must be located in a visible location on the street frontage side of the home.

      8.   An IADU must provide living areas for eating, sleeping and full bathroom, including kitchen, bathroom sink, toilet, shower/bath, separate from the principal dwelling unit.

      9.   The owner of the property shall occupy either the IADU or the primary dwelling where the IADU is located as their place of primary residence.

      10.   Separate utility connections shall not be permitted for IADUS. Owners of lots with an IADU shall be charged for two (2) city utility connections, regardless of shared connection. Owner will be responsible for meter and payment.

      11.   IADU'S may only be rented for long-term rentals of thirty (30) consecutive days or longer. No rentals less than thirty (30) days will be allowed.

      12.   No home occupation business shall be established within an IADU without the express written permission of the property owner, and approval from the city Business License Official.

      13.   For The Owner: Yearly rental license from the city will be required for all IADUs. If the unit is being rented as a long-term rental, a rental license from the city must be obtained by the owner prior to renting out the unit.

   E.   Parking Requirements:

      1.   A single-family dwelling with an IADU shall provide at least one (1) additional off- street parking space for the IADU. In no case shall the number of off-street parking spaces be less than the number of vehicles being maintained on the premises. This shall include covered parking, garages and tandem parking in driveways. Tandem parking within a driveway is allowed to meet the parking requirement. No parking spaces may be located within the front or side yard setbacks adjacent to a street, except for within an approved driveway. At a minimum, all parking areas and driveways shall be paved with concrete, asphalt, masonry, or concrete pavers. Permitted accessory parking standards must meet minimum parking requirements. No IADU may be allowed on any lot that cannot satisfy the parking requirements.

      2.   Any parking spaces contained within a garage or carport should be replaced if an IADU is created within that space.

   F.   IADU Permit Required: All IADUs must be fully permitted and licensed before being occupied. Citations shall be issued after ninety (90) days if land use has not been permitted.

      1.   Application must include detailed floor plans and payment of initial permit fee.

      2.   Before permit will be issued, evidence of payment of all other required fees and certificates of inspections must be submitted. (Ord. 2024-06, 11-19-2024)