Garage conversion rules in Adams County, CO — sometimes called garage-to-ADU or accessory living unit conversions — govern permits, ceiling height, egress, and parking replacement.
Adams County has no separate garage-conversion ordinance, but converting a garage into living space is a building-permit-required change. If it creates a second dwelling it must meet the county's ADU standards, and off-road parking still has to be provided.
There is no standalone garage-conversion rule in the Development Standards and Regulations; a conversion is regulated through the building permit and zoning process. Turning a garage into habitable or rental space is treated as either finishing living area or creating an accessory dwelling unit. If the result is a separate living unit, the ADU standards (Sec. 4-03-03-02-01) apply, including the 500 sq ft minimum and permit requirement. Because county residential standards require off-road parking, removing garage parking may trigger a requirement to provide replacement paved parking. Always secure a building permit; incorporated cities regulate conversions separately.
Converting a garage without a permit is a code violation; the county can require permits, inspections, or restoration of required parking.
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