Garage conversion rules in Ewa Gentry, HI — sometimes called garage-to-ADU or accessory living unit conversions — govern permits, ceiling height, egress, and parking replacement.
A garage conversion in Ewa Gentry is generally treated as creating an accessory dwelling unit under ROH Sec. 21-5.720 and requires a building permit plus replacement parking on the lot.
When an Ewa Gentry homeowner converts a garage into a bedroom, studio, or full living unit, the work falls under the ADU provisions of ROH Sec. 21-5.720 and the building permit rules of ROH Sec. 18-3.2. The converted space must satisfy the same size, setback, parking, and occupancy rules as a new ADU, including replacing the required off-street parking stalls that the garage used to provide. Conversions done before September 14, 2015 without permits may qualify for an after-the-fact permit. Because most Ewa Gentry subdivisions require two off-street stalls per home under both code and HOA standards, converting the only garage without replacing the parking is typically denied.
Unpermitted garage conversions can result in stop-work orders, fines, and mandatory restoration to legal condition.
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Side-by-side rule comparisons with other cities in Honolulu County.
See how other cities in Honolulu County handle garage conversions.
See how Ewa Gentry's garage conversions rules stack up against other locations.
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