Propane Storage: Mililani Town vs Pearl City
How do propane storage rules compare between Mililani Town, HI and Pearl City, HI?
Mililani Town and Pearl City have similar restriction levels.
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 →Pearl City, HI
Honolulu County
Pearl City homes and businesses using propane for cooking, generators, or pool heating must follow Honolulu's Fire Code LP-Gas rules, with plan review for larger tanks.
View full Pearl City rules →Key Facts Comparison
| Fact | Mililani Town | Pearl City |
|---|---|---|
| - | - | |
| 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.
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.
Pearl City FAQ
Does my Pearl City restaurant's bulk propane tank need a permit?
Yes. Aggregate tanks of 125 gallons water capacity or more require plan submittal to HFD, and all LP-Gas installations must comply with NFPA 58 standards.
Can I store spare 20-pound cylinders at home?
Small DOT cylinders for household use are allowed, but must be kept upright, outdoors, away from ignition sources and meet NFPA 58 quantity and placement rules.
Compare other topics
See how Mililani Town and Pearl City 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