ROH §21-4.90

Limits on reflective building wall surfaces

Read the official text at honolulu.gov ↗

This rule limits how much of a building's wall can be shiny or reflective. No more than 30 percent of any wall's surface area may be reflective. This applies to all building walls.

everyone

The ordinance, as written (Honolulu County) — Sunlight reflection regulations

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.

No building wall shall contain a reflective surface for more than 30 percent of that wall’s surface area.

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.