Grading & Drainage: Kailua vs Kapolei
How do grading & drainage rules compare between Kailua, HI and Kapolei, HI?
Kailua has fewer restrictions than Kapolei.
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 →Kapolei, HI
Honolulu County
Kapolei grading, grubbing, stockpiling, and drainage work is regulated by ROH Chapter 18A, which requires permits, bonds, and inspections for qualifying land-disturbing activity.
View full Kapolei rules →Key Facts Comparison
| Fact | Kailua | Kapolei |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
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.
Kapolei FAQ
Do I need a permit for a retaining wall and regrade in Kapolei?
Yes, if the project meets the thresholds in Chapter 18A, you need a grading permit and often an erosion and sediment control plan.
What if I find my contractor graded without a permit?
Sec. 18A-2.4A treats this as a violation, and the Department of Planning and Permitting can issue penalties and require corrective measures.
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