Grading & Drainage: Ewa Gentry vs Kailua
How do grading & drainage rules compare between Ewa Gentry, HI and Kailua, HI?
Kailua has fewer restrictions than Ewa Gentry.
Ewa Gentry, HI
Honolulu County
Ewa Gentry grading, grubbing, stockpiling, and drainage work is regulated under ROH Chapter 18A, which requires permits, bonds, and inspections for qualifying land-disturbing activity.
View full Ewa Gentry 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 | Ewa Gentry | Kailua |
|---|---|---|
| - | - |
Highlighted rows indicate differences between cities.
Ewa Gentry FAQ
Do I need a grading permit to regrade my Ewa Gentry backyard?
If the work exceeds the volume or slope thresholds in Chapter 18A, a grading permit is required along with any needed erosion control plan.
What happens if I grade without a permit?
Sec. 18A-2.4A treats grading without a permit as a violation, which can lead to stop work orders, penalties, and required remediation.
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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