ROH §8-7.2
Water tanks exempt from property tax
Read the official text at honolulu.gov ↗If you own a water tank on your property for your own home or farm use, its value is not counted when figuring your property taxes. This also applies to tanks the government requires before water service starts.
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The ordinance, as written (Honolulu County) — Water tanks
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.
Any provision to the contrary notwithstanding, any tank or other storage receptacle required by any government agency to be constructed or installed on any taxable real property before water for home and farm use is supplied, and any other water tank, owned and used by a real property taxpayer for storing water solely for the taxpayer’s own domestic use, shall be exempted in determining and assessing the value of such taxable real property.
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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.