Weber County · about 11,200

Pleasant View

Detached permitted over 11,000 sf

Ordinance 2026-24, adopted September 22, 2026 by a 5–0 vote and posted September 24, replaced the attached-apartment chapter with Chapter 18.66. Internal, attached, and detached units are a permitted use on a lot greater than 11,000 square feet in a zone that allows a single-family house.

Internal ADU: Permitted on a lot greater than 11,000 square feet. Not less than 400 square feet, and not more than 50% of the main dwelling. The street face of the house should not give the unit away.
Detached ADU: Permitted in the rear yard on a lot greater than 11,000 square feet. Permanent foundation. Not in a recorded easement, and not larger than the primary dwelling. Not more than 25% of the rear yard. No basement. Not a mobile home, RV, or shipping container. It cannot be sold off unless a subdivision would allow it.
Lot: Greater than 11,000 square feet for an internal, attached, or detached unit. The state floor is 11,000 or larger; Pleasant View wrote the threshold as greater than 11,000. Confirm a lot that sits exactly on the line.
Size: Table 18.66.040-1: a detached unit may not exceed the footprint of the primary dwelling, and it may not exceed 25% of the rear yard. Height 24 feet at the peak. Side and rear setbacks 10 feet.
Parking: One additional space, not on the front lawn or in a landscaped area. A garage converted to an attached unit must replace the parking it removes.
Owner occupancy: The owner lives in the house or the unit, except a bona fide absence of three years or less for military, a temporary job, or voluntary service, or placement in a care facility. A deed restriction is recorded. It does not run with the land: a sale voids the permit, and the new owner applies again. The permit is reviewed every three years.
Rental: 90 consecutive days or more.
Design: Similar in appearance to the house. Separate entrance that does not face the street and does not make the lot read as a duplex. Shared utility meters, addressed as Unit B. No part of the building may sit more than 150 feet from a public road unless a fire-apparatus access road is built and maintained.

Notes

Source: Ordinance 2026-24, Chapter 18.66, signed by Mayor Steve Gibson and attested by the recorder.

One ADU per lot. The city can deny an application when sewer, water, or other infrastructure does not have capacity.

The same ordinance puts an internal unit on a lot greater than 11,000 square feet. The internal-ADU statute has long let a city use 6,000. Confirm that point if the lot is between the two.

Statewide floor

Senate Bill 284, Utah Code §10-21-304, has been in effect since October 1, 2026. Every city on this list must allow a detached ADU as a permitted use — not a conditional use — on a lot of 11,000 square feet or larger that already has a permitted single-family house. A city may also allow one on a smaller lot. It may still set size, height, coverage, setbacks, and owner occupancy, and it may require that the unit not be larger than the house, not sit in the front yard, and not be rented for fewer than 90 days. Parking may not exceed one stall under 650 square feet, or two stalls at 650 square feet and above. A printed ban, or a conditional-use requirement, on a qualifying lot conflicts with the statute even if the code book is late. Confirm the city’s ordinance before anyone draws.

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