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ROH §18-5.8

Accessory dwelling unit permit timeline

Read the official text at honolulu.gov ↗

This section sets a 60-day deadline for the building official to tell you if your accessory dwelling unit application is complete and to approve or deny it. If they miss the deadline, your permit is automatically approved. You must make sure your approved plans follow all rules.

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The ordinance, as written (Honolulu County) — Permit for accessory dwelling unit

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.

(a) Upon receipt of an application for a permit for construction of an accessory dwelling unit or conversion of an existing structure to an accessory dwelling unit, the building official will have a maximum of 60 calendar days to do both of the following: (1) Notify the applicant in writing whether the application is complete or incomplete, and if the application is found incomplete, the written notice must state the corrective action necessary to complete the application; and (2) Review and approve or deny an accepted permit application for construction of an accessory dwelling unit, or conversion of an existing structure to an accessory dwelling unit. If the application is denied, the building official shall provide written notice of the reason for denial and state the necessary corrective action, if any. If the building official fails to complete the actions specified in both subdivisions (1) and (2) within 60 calendar days, the permit is approved; provided that the days between the notification of the applicant that an application is incomplete and the resubmittal of the application will be excluded. (b) The applicant shall be responsible for ensuring that the plans for the project deemed approved comply with all applicable regulations, governmental provisions, and requirements. (c) The building official may suspend or revoke a permit deemed approved for noncompliance as provided under § 18-5.4 (d).
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.