Propane Storage: Honolulu vs Mililani Mauka
How do propane storage rules compare between Honolulu, HI and Mililani Mauka, HI?
Honolulu and Mililani Mauka have similar restriction levels.
Honolulu, HI
Honolulu County
Honolulu adopts the International Fire Code through ROH Chapter 11, capping residential propane container size and requiring placement that respects setbacks from buildings, ignition sources, and property lines, with HFD inspecting larger installations.
View full Honolulu rules →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 →Key Facts Comparison
| Fact | Honolulu | Mililani Mauka |
|---|---|---|
| Portable cylinder cap | Generally 20 pounds | - |
| Permit threshold tank | Above 125 gallons | - |
| Setback distance | 10 feet typical | - |
| Inspecting body | Honolulu Fire Department | - |
| - | - |
Highlighted rows indicate differences between cities.
Honolulu FAQ
How many propane tanks can I store?
Most homes may keep two 20-pound grill cylinders outdoors with proper spacing. Quantities approaching aggregate IFC limits or any installed tank over 125 gallons triggers HFD permit review.
Can I store propane in my garage?
Indoor storage of LP-gas cylinders is generally prohibited under the IFC. Keep cylinders outdoors, upright, shaded, away from drains, and at least 10 feet from ignition sources.
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.
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