HCC §5A-4-1
Which buildings must follow flood rules
Read the official text at hawaiicounty.gov ↗This section says that new buildings and major changes to existing buildings in flood zones must follow the county's flood rules and the International Building Code. Some older buildings or those with special flood permits are exempt. It only covers flood zone work.
businessescondominium associationscondominium ownerscontractorsdevelopershomebuyershomeownerslandlords
The ordinance, as written (Hawaiʻi County) — General applicability
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) The provisions of this article shall apply to new construction or the renovation and major alteration, addition, or reinstallation of any existing buildings or structures, within a special flood hazard area as identified by chapter 27, Hawai‘i County Code. All construction work shall comply with chapter 16 of the International Building Code, and chapter 27, Floodplain Management. (b) The provisions of this article shall not apply to the following: (1) Any building or structure exempted from chapter 27; (2) Any building or structure which has been granted a flood control variance pursuant to article 5, chapter 27; or (3) Any building or structure lawfully existing prior to November 8, 1993, subject to the provisions of chapter 27. (2020, ord 20-61, sec 3.) 5A-4-1
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.