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HCC §5F-1-3Which buildings this plumbing code covers and what it does not cover
Read the official text at hawaiicounty.gov ↗This section says the county's plumbing rules apply to new buildings, moved buildings, and changes or repairs inside the property line, but only inland of the high-water mark. It lists several types of work that are not covered, like federal buildings, utility work in public roads, and agricultural buildings without power or plumbing. No plumbing can be connected without a permit.
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The ordinance, as written (Hawaiʻi County) — Scope; exceptions
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.
This chapter shall apply to all new construction, relocated buildings, and to any alterations, repairs, or reconstruction within the property lines of the premises, within the County inland of the shoreline high-water line. Exceptions to these minimum requirements are listed below: This chapter shall not apply to: (1) Work or installations not covered by the Uniform Plumbing Code, 2012 Edition, as adopted by the Hawai‘i State Plumbing Code; (2) Work on buildings or premises owned by or under the direct control of the Federal government; (3) Work in public State or County road right-of-ways for utility installations and mechanical equipment not specifically regulated in this code where installed: (A) Outside the proposed premises or boundary lines in a subdivision under development; or (B) In an approved subdivision, where the work is in planned or actual roadways or other common infrastructure areas; (4) Pursuant to section 448E-13, Hawai‘i Revised Statutes, work by employees of a public utility within the State under a franchise or charter granted by the State which is regulated by the public utilities commission and community antennae television company, while so employed; (5) Plumbing work related to work regulated by chapter 397, Hawai‘i Revised Statutes, relating to boilers and pressure vessels; or 5F-1 SUPP. 11 (1-2022) (6) Agricultural buildings, structures, and appurtenances without electrical power and plumbing systems are exempt from permit and construction code requirements, pursuant to section 46-88, Hawai‘i Revised Statutes, except as otherwise provided for in this construction code. No plumbing systems shall be connected to a building or structure without first obtaining a permit for plumbing work. (2020, ord 20-61, sec 6.) 5F-1-3
Read the official text at hawaiicounty.gov ↗as published Jul 16, 2026our copy taken Aug 21, 2026 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.