Grading & Drainage: East Honolulu vs Kailua
How do grading & drainage rules compare between East Honolulu, HI and Kailua, HI?
Kailua has fewer restrictions than East Honolulu.
East Honolulu, HI
Honolulu County
East Honolulu hillside lots in Mariner's Ridge, Kamilo Iki, and Kuliouou Valley require grading permits under ROH Chapter 18A when land disturbance exceeds permit thresholds.
View full East Honolulu rules →Kailua, HI
Honolulu County
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.
View full Kailua rules →Key Facts Comparison
| Fact | East Honolulu | Kailua |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
East Honolulu FAQ
Does a small retaining wall need a grading permit in Hawaii Kai?
Retaining walls and associated excavation typically require grading and building permits when they exceed minor thresholds in Chapter 18A, so confirm with the Department of Planning and Permitting before starting.
What happens if I grade without a permit?
Sec. 18A-2.4A imposes penalties for grading without a permit, and enforcement may include stop-work orders, restoration requirements, and fines.
Kailua FAQ
Does landscaping need a grading permit?
Minor landscaping is usually exempt, but significant cut or fill, retaining walls, or driveway regrading typically require a permit.
Can I stockpile fill on my lot?
Extended stockpiling can trigger Chapter 18A Article 3 requirements, including erosion controls and potentially a permit.
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