Garage conversion rules in Gresham, OR — sometimes called garage-to-ADU or accessory living unit conversions — govern permits, ceiling height, egress, and parking replacement.
Garage conversions in Gresham require building permits and must meet building code for habitable space. Converting a garage to living space may be treated as an ADU under Oregon law.
Converting a garage to habitable living space in Gresham requires a building permit. The conversion must meet building code requirements for insulation, ventilation, egress windows, ceiling height, and electrical. If the conversion creates an independent living unit, it may be treated as an ADU under Oregon law and the Development Code. Parking requirements may apply—verify with Development Services whether loss of garage parking triggers additional off-street parking needs. All work must pass inspections.
Unpermitted conversions face code enforcement. The space may need to be restored or properly permitted.
Gresham, OR
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Gresham, OR
Gresham permits construction activities between 7 AM and 10 PM per GRC §7.20. Construction noise outside these hours is prohibited in residential areas.
Gresham, OR
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Gresham, OR
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Gresham, OR
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Gresham, OR
Gresham restricts commercial vehicle parking in residential zones. Large commercial vehicles and heavy equipment may not be stored in residential areas.
Side-by-side rule comparisons with other cities in Multnomah County.
See how other cities in Multnomah County handle garage conversions.
See how Gresham's garage conversions rules stack up against other locations.
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