HCC §25-6-35
Yard rules for accessory dwelling units and building as a duplex
Read the official text at hawaiicounty.gov ↗This section sets the minimum yard sizes for an accessory dwelling unit. The yard sizes must match the zoning rules for the property, unless the property does not meet zoning standards, then the yard sizes for a property of that size are used. It also allows an accessory dwelling unit and a single-family home to be built as a duplex with a shared wall or floor/ceiling.
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The ordinance, as written (Hawaiʻi County) — Minimum yard requirements; duplex permitted
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 minimum front, rear, and side yard requirements for an accessory dwelling unit shall be the minimum yard requirements for the zoning district in which the building site is situated unless the parcel is nonconforming to the zoning district, in which case the minimum yard requirements of the zoning appropriate to the parcel size shall be required. (b) An accessory dwelling unit and a single-family dwelling unit may be constructed as a duplex (i.e., there is a common wall or floor/ceiling). (1996, ord 96-160, sec 2; ratified April 6, 1999; am 2024, ord 24-70, sec 10.)25-6-35
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.