East Honolulu vs Mililani Town
How do propane storage rules compare between East Honolulu, HI and Mililani Town, HI?
East Honolulu and Mililani Town have similar restriction levels.
East Honolulu, HI
Honolulu County
East Honolulu homeowners storing propane for cooking, pool heaters, or backup generators must comply with Honolulu's Fire Code LP-Gas provisions, including permits and plan review for larger containers.
View full East Honolulu rules →Mililani Town, HI
Honolulu County
Propane installations in Mililani Town follow ROH Chapter 20's adoption of NFPA 1 Ch. 69 and NFPA 58. HFD permits are required, and tanks or aggregated capacity of 125 gallons water capacity or more need plan review.
View full Mililani Town rules →Key Facts Comparison
| Fact | East Honolulu | Mililani Town |
|---|---|---|
| Plan Review Threshold | 125+ gallon capacity | - |
| Standard | NFPA 58 / NFPA 1 Ch. 69 | - |
| Barrier Rule | Within 10 ft of road | - |
| Permit | Per NFPA 1 Sec. 69.1.2 | - |
| Code Chapter | ROH Ch. 20 | - |
| - | - |
Highlighted rows indicate differences between cities.
East Honolulu FAQ
Do I need a permit for a 120-gallon propane tank at home?
Installations must meet NFPA 58 requirements and the Fire Code permit provisions. Aggregates of 125 gallons or more require plan submittal to the HFD Authority.
What about a 20-pound BBQ cylinder on a lanai?
Small DOT cylinders for household barbecues are generally allowed without plan review, but must be used and stored per NFPA 58 clearance and ventilation rules.
Mililani Town FAQ
Can I install a permanent propane tank in a Mililani townhome?
Possibly, with HFD permit and HOA approval. Many Mililani HOAs restrict visible tanks; screening and location rules usually apply.
Is exchanging grill cylinders regulated?
Routine cylinder swaps generally do not require a separate permit, but new piping and fixed installations do.
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