← Back to search

ROH §21A-1.14

Flood safety paperwork for building in flood zones

Read the official text at honolulu.gov ↗

This section lists the flood-related certificates and surveys you must submit before, during, and after building in a special flood hazard area. These documents must be kept as public records. The exact forms depend on the stage of construction and the type of work.

buyerscontractorsdevelopershomeownerslandowners

The ordinance, as written (Honolulu County) — Certification standards

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.

Pre-construction, during-construction, and post-construction certification of elevation and floodproofing of new construction, development, and improvements within the special flood hazard areas must be submitted to the director and must be maintained as a matter of public record, in accordance with the following. (a) Pre-construction certification. Requirements for approval of the building permit must include the following items, as applicable, and any additional items as required by the director to promote public welfare and safety. (1) Certification of building plans. Each set of building plans must include a current topographic survey map prepared by a licensed surveyor, and must be signed and stamped by a licensed engineer or architect certifying the accuracy of the flood boundary and elevation information. (2) Flood hazard certification. The city’s applicable flood hazard certification form must be completed and signed and stamped by a licensed engineer or architect. (3) Floodproofing certification. The Federal Emergency Management Agency “Floodproofing Certificate” form must be completed and signed and stamped by a licensed engineer or architect. (4) Certification of no-rise determination. For all construction and improvements in the floodway, the Federal Emergency Management Agency “No-Rise Certification” form must be completed and signed and stamped by a licensed engineer. (b) During-construction certification. Upon placement of the lowest floor, including the basement, and before further vertical construction of a new or substantially improved structure in the special flood hazard area, the Federal Emergency Management Agency “Elevation Certificate” must be completed and signed and stamped by a licensed surveyor. (c) Post-construction certification. As a condition to the closing of the building permit or issuance of a certificate of occupancy for a new or substantially improved structure in the special flood hazard area, the Federal Emergency Management Agency “Elevation Certificate” must be completed and signed and stamped by a licensed surveyor, engineer, or architect.
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.