Accessory Dwelling Units

Accessory Dwelling Units (ADU)

An ADU is a self-contained dwelling that may be located within a single-family dwelling or in a permanent accessory structure. Single-family dwellings with an ADU shall not substantially alter the structure or appearance of the existing structure. Accessory Structures that house an ADU shall be architecturally compatible with the primary structure. ADUs are often called mother-in-law, basement, accessory apartments, cottage homes, accessory suites, or ancillary units.

Requirements

The following table outlines some of the ADU requirements.  The full list of requirements is listed in Title 15 of the municipal code (15.3.24.090(E)).

	Current Requirements
Owner Occupancy	Required
Units per Dwelling	Only one (1) ADU per single-family dwelling
Off-Street Parking	Minimum of four(4) off-street parking spaces for external ADUs. Minimum of three (3) off-street parking spaces for internal ADUs.
Permitted Zones	All residential zones except for A-E, R-4, R-5 and R-O
Minimum Lot Size	6,000 square feet
Building Code	Different requirements for different situations
Impact Fees	Not required
Separate Electric Meters	Not required
Secondary Address	ADUs are assigned a secondary address for public safety purposes. The address is not recognized by the USPS for mail delivery.
Registration	Register with Community Development Department

Registration

ADUs in Spanish Fork must be registered annually. Click here to submit an application. The annual registration fee is $60.

Questions?

For more information regarding ADUs in Spanish Fork City, please contact us:

Brandon Snyder
City Planner
801-804-4596
bsnyder@spanishfork.org

Kimberly Brenneman
Development Coordination Manager
Business Licensing Specialist
801-804-4582
kbrenneman@spanishfork.org

Jill Helt
Permit Technician
801-804-4547
jhelt@spanishfork.org

John Little
Chief Building Official 
801-804-4542 
jlittle@spanishfork.org