Garage conversion rules in Littleton, CO β sometimes called garage-to-ADU or accessory living unit conversions β govern permits, ceiling height, egress, and parking replacement.
Garage conversions in Littleton require building permits under Title 4 and must comply with ULUC parking requirements. Converting a garage to living space may create a parking deficiency if the property's required off-street parking is reduced below the minimum.
Converting a garage to habitable living space in Littleton requires a building permit and must meet building code requirements for residential occupancy including insulation, egress windows, electrical, plumbing, and fire separation. The ULUC (Title 10) establishes minimum off-street parking requirements by zone district, and converting a garage may reduce available parking below the required minimum, creating a zoning compliance issue. With the passage of Ordinance No. 09 (ADU ordinance) eliminating additional parking requirements for ADUs, some garage conversions to ADU use may be facilitated. All conversions must pass building inspections for structural integrity, energy code compliance, and life safety.
Unpermitted garage conversion: stop-work order and code violation. Occupancy without certificate: enforcement action. Parking deficiency: zoning violation.
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Side-by-side rule comparisons with other cities in Arapahoe County.
See how other cities in Arapahoe County handle garage conversions.
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