Brush Clearance: Mililani Mauka vs Urban Honolulu
How do brush clearance rules compare between Mililani Mauka, HI and Urban Honolulu, HI?
Mililani Mauka has fewer restrictions than Urban Honolulu.
Mililani Mauka, HI
Honolulu County
Mililani Mauka owners with lots bordering gulches or open brush must keep firebreaks under ROH Chapter 20's adoption of NFPA 1, commonly 30 to 100 feet from structures.
View full Mililani Mauka rules →Urban Honolulu, HI
Honolulu County
Urban Honolulu parcels adjoining hillsides or open space may lie within Hazardous Fire Areas under ROH Chapter 20, requiring 30-foot defensible space and possibly more when HFD orders.
View full Urban Honolulu rules →Key Facts Comparison
| Fact | Mililani Mauka | Urban Honolulu |
|---|---|---|
| - | - | |
| Standard | - | NFPA 1 Sec. 10.18 |
| Base clearance | - | 30 feet |
| Extended clearance | - | Up to 100 feet |
| Typical zones | - | Makiki, Manoa slopes |
| Authority | - | Honolulu Fire Chief |
Highlighted rows indicate differences between cities.
Mililani Mauka FAQ
Are gulches public land exempt from clearance?
Public gulches may be managed by the City or State, but private lots bordering them still owe firebreak duties.
Can I burn cleared brush on site?
No. Open burning rules and air-quality rules effectively prohibit backyard disposal burning.
Urban Honolulu FAQ
Does brush clearance apply to flat downtown Urban Honolulu lots?
Usually no. The rules target parcels in or adjoining designated Hazardous Fire Areas, typically hillsides or open-space borders. Flat downtown urban lots generally fall outside these designations.
What happens if I ignore an HFD brush clearance order?
The Honolulu Fire Department can abate the hazard and bill the owner, attach a lien to the property, and impose civil penalties under Chapter 20 for continuing violations.
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