1. ADU (Internal). “Internal ADU” means an ADU created (a) within a primary dwelling unit; (b) within the footprint of the primary dwelling unit at the time the internal ADU is created; and (c) for the purpose of offering a long-term rental of 30 consecutive days or longer. Internal ADUs must meet the standards in Utah Code § 10-9a-530.

2. ADU (Detached). “Detached ADU” means an ADU located in an accessory building on the property and not attached to or within the principal dwelling unit.

3. ADU (Attached). “Attached ADU” means a new ADU is constructed as a physical expansion (i.e., addition) of the primary dwelling and is attached to the single-family dwelling unit by one or more common walls.

1. ADU permit application shall be required for all internal, attached, and detached units. Only applications deemed complete by the community development director or designee will be processed. Complete applications include appropriate application forms reflecting the standards of the city, plans, texts, and signatures as required on the form available in the community development department and on the city’s website. A letter or email confirming the completeness of the application may be requested by the applicant. All applications shall be accompanied by the appropriate fee as established from time to time by resolution of the city council.

2. Only one ADU per property is permitted.

3. ADUs shall meet all building codes and obtain all required permits prior to occupancy of the ADU.

4. The applicant shall have a fee simple title to the property.

5. The ADU shall have a separate entrance that faces away from the street and that does not disrupt the single-family appearance of the existing structure.

6. The ADU shall have a minimum of one bedroom and a three-quarter bath.

7. The ADU shall have a kitchen.

8. No vehicles shall be parked on the front lawn or other landscaped areas.

9. The property shall be neatly maintained and shall meet all current codes regarding property maintenance and public health standards.

10. The applicant has not been notified or fined by the city for any code violations relating to this property or any other property within the previous 12 months.

11. Owner Occupancy. The city shall only permit an accessory dwelling unit when an owner occupant lives on the property within either the principal or accessory dwelling unit. Owner occupancy shall not be required when:

12. The ADU must be rented for periods of 30 consecutive days or more.

13. All ADUs shall connect to the same (water, gas, sewer, etc.) utility lines as the primary dwelling.

1. Internal ADUs shall maintain the outward appearance of a single-family residence, so that the appearance is not altered in a manner to appear as a duplex with such features as two front doors and two garages or carports facing the street.

1. Attached ADUs shall maintain the outward appearance of a single-family residence, so that the appearance is not altered in a manner to appear as a duplex with such features as two front doors and two garages or carports facing the street.

2. The total area of an attached ADU shall not exceed 50 percent of the square footage of the habitable area of the building footprint of the primary residence and in no case exceed 800 square feet.

1. Detached ADUs shall be placed on a permanent foundation.

2. Detached ADUs shall have a similar appearance as the primary unit.

3. Detached ADUs may not be built within a recorded easement.

4. For detached ADUs, the maximum size limit shall be based on the minimum lot size as specified in Table 17.70.060-1.

5. Mobile homes, recreational vehicles, or shipping containers shall not be considered a detached ADU.

6. An ADU shall not be sold separately or subdivided from the principal dwelling unit or lot unless compliant with subdivision regulations.

7. Detached ADUs shall follow the same regulations for lot coverage as outlined in WPCC 17.70.030(A)(2).

8. No basements are allowed in detached ADUs.

9. Fire Regulations.