Propane Storage: Mililani Mauka vs Urban Honolulu
How do propane storage 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 propane storage follows NFPA 58 via Honolulu Chapter 20, with permits and plan review triggered at 125 gallons aggregate capacity and vehicle barrier rules near roads.
View full Mililani Mauka rules →Urban Honolulu, HI
Honolulu County
Urban Honolulu propane installations are regulated by ROH Chapter 20, which adopts NFPA 1 Chapter 69 and NFPA 58, triggering plan review at 125-gallon water capacity and vehicle barrier requirements.
View full Urban Honolulu rules →Key Facts Comparison
| Fact | Mililani Mauka | Urban Honolulu |
|---|---|---|
| - | - | |
| Code | - | ROH Ch. 20 / NFPA 1 Ch. 69 |
| National standard | - | NFPA 58 LP-Gas |
| Plan review at | - | 125 gal water capacity |
| Barrier trigger | - | Within 10 ft of roadway |
| Permit office | - | HFD Fire Prevention |
Highlighted rows indicate differences between cities.
Mililani Mauka FAQ
Can I keep a whole-house propane tank at my Mililani Mauka home?
Yes, typically under 125 gallons water capacity, but installation must meet NFPA 58 and MTA/MMA rules.
Do commercial cages need bollards?
Yes. Vehicular barrier protection is required within 10 feet of public vehicular ways.
Urban Honolulu FAQ
Do Urban Honolulu restaurants need permits for rooftop propane tanks?
Yes. Fixed commercial propane installations require HFD permits and plan review under NFPA 1 Chapter 69, plus compliance with NFPA 58 on setbacks, rooftop access, and relief valve orientation.
Are bollards required for curbside tanks at a Urban Honolulu business?
Yes, when a tank sits within 10 feet of a public vehicular way. Steel-filled bollards or comparable impact barriers approved by HFD must protect the container from vehicle strikes.
Compare other topics
See how Mililani Mauka and Urban Honolulu compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool