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🏊 Swimming Pools & Spas/Hot Tub Rules

Hot Tub Rules: Kailua vs Mililani Mauka

How do hot tub rules rules compare between Kailua, HI and Mililani Mauka, HI?

Kailua and Mililani Mauka have similar restriction levels.

Kailua, HI

Honolulu County

Some Restrictions

Hot tubs and spas in Kailua are regulated under the Residential Swimming Pools article of ROH, with barrier and plumbing requirements applying when depth or capacity thresholds are met.

View full Kailua rules β†’

Mililani Mauka, HI

Honolulu County

Some Restrictions

Mililani Mauka hot tubs and spas fall under ROH Chapter 16 Article 6, with locked safety covers, permitted electrical work, and bonding requirements to ensure user safety.

View full Mililani Mauka rules β†’

Key Facts Comparison

FactKailuaMililani Mauka
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Highlighted rows indicate differences between cities.

Kailua FAQ

Does my hot tub in Kailua need a fence?

If your spa meets the statutory depth or capacity threshold, it needs a barrier or an approved safety cover under ROH 16-6.2.

Do I need a permit to install a spa?

Yes. Plumbing and electrical permits under Chapter 18 are typically required for hard-plumbed or hard-wired spas.

Mililani Mauka FAQ

Is a spa in a screened lanai subject to barrier rules?

If the lanai screen and door prevent unsupervised access comparably to a fence, it may satisfy barrier requirements, but a locked cover is still prudent.

Can I use an extension cord for my plug-in spa?

No. Extension cords for spas are prohibited by the electrical code; a permanent, properly rated outlet is required.

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