Garage conversion rules in Kootenai County, ID — sometimes called garage-to-ADU or accessory living unit conversions — govern permits, ceiling height, egress, and parking replacement.
Kootenai County has no ordinance specifically titled 'garage conversion.' Converting a garage into living space is regulated as new habitable area under the building code and, if it creates a second dwelling, as an accessory living unit under LUDC 8.4.301.
There is no standalone garage-conversion rule in the Kootenai County Land Use and Development Code. Converting a garage into habitable space is treated as adding living area, so a building permit under Title 7 applies. Notably, LUDC 8.4.301 counts a garage as habitable space in an accessory living unit only if the garage lacks a door at least eight feet wide; converting a garage into a full independent dwelling triggers the accessory living unit standards (one per parcel, size cap, accessory-building setbacks, ALU permit). Any converted space must meet the setbacks of the underlying zone. Confirm requirements with the Community Development Building Division before starting work.
Occupying converted garage space without required building/occupancy permits, or creating an unpermitted second dwelling, is a code violation subject to enforcement under Article 8.6.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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