Outdoor Burning: Honolulu vs Mililani Town
How do outdoor burning rules compare between Honolulu, HI and Mililani Town, HI?
Honolulu and Mililani Town have similar restriction levels.
Honolulu, HI
Honolulu County
Honolulu regulates open outdoor burning under ROH Chapter 20 (Fire Code). Most open burning requires prior notification or written AHJ approval, and is prohibited when deemed a fire hazard.
View full Honolulu rules →Mililani Town, HI
Honolulu County
Outdoor burning in Mililani Town is heavily restricted. Trash burning is prohibited, cooking fires and imu need 15-minute HFD notice, recreational fires need a 14-day AHJ letter, and agricultural burns need a State DOH permit.
View full Mililani Town rules →Key Facts Comparison
| Fact | Honolulu | Mililani Town |
|---|---|---|
| Governing code | ROH Ch. 20, NFPA 1 § 10.11 | - |
| Recreational fire notice | AHJ approval 14 days prior | - |
| Pre-ignition HFD notice | 15 minutes before lighting | - |
| Maximum fine | $1,000 per day | - |
| Enforced by | Honolulu Fire Department | - |
| - | - |
Highlighted rows indicate differences between cities.
Honolulu FAQ
Can I have a backyard bonfire or fire pit in Honolulu?
Only with written property-owner permission and prior AHJ approval submitted at least 14 days in advance, plus HFD notification 15 minutes before lighting. Open burning can be prohibited if deemed hazardous.
Are imu (underground cooking fires) allowed without a permit?
An imu-style cooking fire not contained within an appliance does not require advance AHJ approval but does require HFD notification 15 minutes before lighting.
Where can I find the full Honolulu Fire Code?
ROH Chapter 20 is available on the HFD website and via the American Legal code library. The 2021 edition is based on NFPA 1 (2021).
Mililani Town FAQ
Can farmers near Mililani burn cane residue?
Only with a DOH Clean Air Branch permit and compliance with ROH Chapter 20; burn bans may further restrict activity.
Can I burn leaves from my yard?
No. Leaf and yard-waste burning is not authorized in residential Mililani; use the City's green-waste program instead.
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