Weber County · about 39,000

Roy

Confirm detached with the city

Internal accessory dwellings are permitted. Detached standards should be confirmed in the current Roy code. Long-term occupancy and an extra parking stall are the usual local extras.

Internal ADU

Permitted. Rental licensing may apply if the unit is leased.

Detached ADU

Confirm with Roy Community Development. From October 1, 2026, lots of 11,000 sf or larger with a house must be able to take a detached ADU as a permitted use.

Lot

Confirm. 11,000 sf is the statewide detached floor from October 1, 2026.

Size

Per ordinance. The ADU cannot exceed the primary dwelling under the 2026 state floor.

Parking

Typically one additional space.

Owner occupancy

Owner occupancy is required.

Rental

Thirty days or more. Roy licenses rentals — plan for that paperwork.

Design

Setbacks, height, and coverage remain local.