HCC §5F-1-8
Which rules win when county and state plumbing codes clash
Read the official text at hawaiicounty.gov ↗This section says that if the county code disagrees with the state or uniform plumbing codes, the county code wins. If the county code disagrees with other laws, you must follow the stricter rule. It only handles conflicts between rules.
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The ordinance, as written (Hawaiʻi County) — Conflict
A copy, taken August 21, 2026. The version published by Hawaiʻi County is the one that governs, and it may have changed since. Check it before relying on anything here.
(a) If any provisions of this code conflict with or contravene provisions of the Hawai‘i State Plumbing Code or the Uniform Plumbing Code that have been incorporated by reference, the provisions of this code shall prevail as to all matters and questions arising out of the subject matter of such provisions. (b) In situations where two or more provisions of this code and any applicable law, other than those provided for in subsection (a), cover the same subject matter, the stricter shall be complied with. (2020, ord 20-61, sec 6.) 5F-1-8 Article 2. Installation Requirements.
Published by the County of Hawaiʻi Office of the County Clerk.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.