Davis County · about 13,000

West Point

Detached allowed on 10,000 sf lots

West Point publishes a dedicated ADU chapter. Internal and attached units start at 6,000 sf lots. Detached units start at 10,000 sf, with size, setback, height, and fire-access rules written in the code.

Internal ADU

Permitted on lots of 6,000 sf or larger. No local cap on habitable area. Must meet Utah Code §10-9a-530.

Detached ADU

Permitted on lots of 10,000 sf or larger, on a permanent foundation, similar in appearance to the house. No basement. Not a mobile home, RV, or shipping container.

Lot

Internal / attached: 6,000 sf. Detached: 10,000 sf. Statewide floor of 11,000 sf still applies from October 1, 2026.

Size

Detached: 650 sf maximum on lots under 12,000 sf; 800 sf on lots 12,000 sf and larger. Attached: 50% of the primary habitable footprint, not more than 800 sf. After October 1, 2026, a fixed cap may have to yield on qualifying lots except that the ADU cannot exceed the primary dwelling.

Parking

Internal and attached: one off-street stall. Detached: two off-street stalls — watch the 2026 state parking cap.

Owner occupancy

Owner must live in the principal or accessory unit, with written exceptions for temporary absence (military, job, sabbatical, up to three years) and medical placement.

Rental

Thirty consecutive days or more. Short-term rental is not the path.

Design

Side or rear entrance. One bedroom and a three-quarter bath minimum, plus a kitchen. Same utility lines as the house. Ten-foot side and rear setbacks for a detached unit. Not taller than the primary dwelling. Fire hydrant within 500 feet of the front entrance; building not more than 150 feet from the public road.