← Back to search

ROH §22-5.1

Utility lines must be buried underground in new subdivisions

Read the official text at honolulu.gov ↗

In most new subdivisions in Honolulu, utility lines like electric, phone, and cable must be installed underground. There are exceptions for very small subdivisions, agricultural subdivisions, and when nearby homes already have overhead lines. The subdivider must arrange the installation with the utility companies.

developers

The ordinance, as written (Honolulu County) — Installation of utility lines

A copy, taken August 22, 2026. The version published by Honolulu is the one that governs, and it may have changed since. Check it before relying on anything here.

Notwithstanding any ordinance or regulation to the contrary, utility lines, including but not limited to those required for electric, telephone, street lighting, cable television services, and other related facilities, shall be installed underground in all subdivisions laid out within the city in accordance with the applicable standards and methods employed for such underground installation by the public utility companies involved; provided that if a subdivision consists of three lots or less and if no other lot situated within 500 feet of such subdivision is provided with utility lines and related facilities installed in accordance with this article for underground installation, the subdivider may, at the subdivider’s discretion, arrange to have such utility lines and related facilities installed overhead in accordance with the standards and methods employed for such overhead installation by the public utility companies; and provided further, that the underground installation of utility lines shall not be required within agricultural subdivisions consisting of lots with minimum area of 2 acres and which are exempted under § 1-109 of the subdivision rules and regulations of the city from the requirements applicable to the construction of street improvements and utilities. The subdivider shall be responsible for making the necessary arrangements with the public utility companies concerned for the installation of such utility lines and related facilities in accordance with the requirements of this article. The utility lines and related facilities shall be installed in such a manner so as not to interfere with other underground utilities of the city or the proposed locations of such underground utilities. )
Read the official text at honolulu.gov ↗as published Jan 1, 2026our copy taken Aug 22, 2026

Published by the City and County of Honolulu through American Legal Publishing.

LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.