HCC §5F-1-5
Old plumbing that was legal when installed stays legal
Read the official text at hawaiicounty.gov ↗If your plumbing was installed legally under the rules at that time, it is not a violation just because the rules changed later. However, it must still follow the construction administrative code's section 5-2-3.
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The ordinance, as written (Hawaiʻi County) — Existing plumbing installations
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.
Plumbing installations in existence and permitted pursuant to applicable laws and standards in effect when the plumbing work thereon was performed, shall not be deemed to be in violation of subsequent changes to applicable laws or standards, provided that such installations shall be subject to the provisions of section 5-2-3 of the construction administrative code. (2020, ord 20-61, sec 6.) 5F-1-5
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.