Kailua projects that cut, fill, stockpile, or trench earth generally need a grading permit under ROH Chapter 18A, with drainage controls reviewed as part of the permit.
Chapter 18A is the master chapter for grading permits in Honolulu. Article 2 covers permit applications, bonds, and inspections, with Sec. 18A-2.2 setting application requirements and Sec. 18A-2.4A addressing grading performed without a permit. Article 3 regulates grading, grubbing, and stockpiling activities. Kailua's mix of flat lowlands and sloped hillsides near Maunawili and Kalaheo Avenue means many home improvements, driveways, and retaining walls require review. Drainage design must ensure runoff does not damage neighboring properties or overload the storm sewer system draining to Kailua Bay.
Grading without a permit, unapproved fill, or off-site drainage discharge can result in fines and mandatory restoration.
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Kailua, HI
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Side-by-side rule comparisons with other cities in Honolulu County.
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