FB-UN1 FORM BASED URBAN NEIGHBORHOOD 1 DISTRICT
Salt Lake City Code § 21A.24.160
in effect21A.24.160: FB-UN1 FORM BASED URBAN NEIGHBORHOOD 1 DISTRICT:
A. Purpose Statement: The purpose of the FB-UN1 district is to provide areas for a mix of housing types that are generally up to two and one-half stories in height, on relatively small lots. Reuse of existing residential structures is encouraged. Development regulations are based on the building type.
B. Uses: Uses in the FB-UN1 district as specified in Section 21A.33.020 “Table of Permitted and Conditional Uses for Residential Districts” of this title are allowed subject to all regulations that are applicable to the FB-UN1 district.
C. FB-UN1 Building Form Standards:
TABLE 21A.24.160.C
FB-UN1 BUILDING FORM STANDARDS
Building Regulation | Building Form
Urban House | Two-Family Dwelling | Cottage Development | Row House
Building height and placement: | | | |
Height | 2.5 stories, maximum of 30', measured from established grade
Front and corner side yard setback | Equal to average setback of block face, where applicable, otherwise minimum of 10' and maximum of 20'
Interior side yard | Minimum 4'
Rear yard | Minimum of 20% lot depth up to 25' | 4' minimum | Minimum of 20% lot depth up to 25'
Minimum lot size | 3,000 sq. ft.; not to be used to calculate density | 1,500 sq. ft.; not to be used to calculate density | 1,500 sq. ft.; not to be used to calculate density
Minimum lot width | 30' | 15' per unit | 15' per unit facing a street | 15' per unit. Side orientation allowed provided building configuration standards are complied with.
Maximum dwelling units per building form | 2 units in main building plus 1 unit detached | 2 units in main building plus 1 unit detached | 1 unit per cottage, multiple cottages per lot | Minimum of 3; maximum of 4
Number of building forms per lot | 1 building form permitted for every 3,000 sq. ft. of lot area | 1 cottage for every 1,500 sq. ft. of lot area | 1 building form permitted for every 1,500 sq. ft. of lot area
Design Standards | See Section 21A.37.060 for applicable design standards.
Parking: |
Surface parking in front and corner side yards | Not permitted
Vehicle access | If off street parking is provided, vehicle access from an alley is required when property is served by a public or private alley with access rights. Vehicle access from the street is only permitted when no alley access exists. If pull through parking is required by fire or other code, ingress shall be from street and egress onto alley.
Parking on separate lots | Not permitted | Parking may be provided on an adjacent lot or in a common area associated with the development
Attached garages and carports | Attached garages and carports are required to be accessed from the rear yard where the rear yard is accessible by an alley with access rights to the subject property. If there is no access to the rear yard, an attached garage may be accessed from the front or corner side yard provided the garage door (or doors) is no wider than 50% of the front facade of the structure and set back at least 5' from the street facing building facade and at least 20' from the property line. Side loaded garages are permitted.
D. Additional Development Standards for Cottage Building Forms:
1. Setbacks Between Individual Cottages: All cottages shall have a minimum setback of eight feet from another cottage.
2. Footprint: No cottage shall have a footprint in excess of eight hundred fifty (850) square feet.
3. Building Entrance: All building entrances shall face a public street or a common open space area.
4. Open Space Area: A minimum of two hundred fifty (250) square feet of common, open space area is required per cottage. At least fifty percent (50%) of the open space area shall be contiguous and include landscaping, walkways, or other amenities intended to serve the residents of the development. (Ord. 47A-25, 2025: Ord. 56-24, 2024: Ord. 12-17, 2017)
Source: Salt Lake City, Utah, City Code (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/saltlakecityut/latest/saltlakecity_ut/0-0-0-64583Fetched: 11/1/2026