Brush Clearance: Honolulu vs Mililani Mauka
How do brush clearance rules compare between Honolulu, HI and Mililani Mauka, HI?
Mililani Mauka has fewer restrictions than Honolulu.
Honolulu, HI
Honolulu County
Honolulu's Fire Code requires property owners in hazardous fire areas to maintain a 30-foot defensible space around structures by removing flammable vegetation and combustible growth at all times.
View full Honolulu rules →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 →Key Facts Comparison
| Fact | Honolulu | Mililani Mauka |
|---|---|---|
| Minimum clearance | 30 feet from structure | - |
| Extended clearance | Up to 100 feet if ordered by HFD | - |
| Applies to | Hazardous fire area properties | - |
| Enforcing agency | Honolulu Fire Department | - |
| - | - |
Highlighted rows indicate differences between cities.
Honolulu FAQ
Do I need to remove all plants within 30 feet of my house?
Not all plants. Single ornamental trees or ground covers that do not transmit fire to native growth are exempt; flammable brush and dry vegetation must be cleared.
Can the Fire Department require me to clear more than 30 feet?
Yes. In areas with hazardous fire conditions the HFD can require clearance from 30 up to 100 feet from structures.
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.
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