Hawaiʻi land records, permits & maps — in plain language
Plain-language guides for Oʻahu property owners on Honolulu building permits, coastal rules, and the new FEMA flood maps.
New: FEMA's updated Flood Insurance Rate Maps for Oʻahu became effective June 10, 2026. What it means →
- Honolulu DPP building permits — exemptions, HNL Build, ePlans, third-party review, timelines
- SMA and shoreline setback rules
- FEMA flood maps (effective June 10, 2026)
- Directory of licensed surveyors & permit expediters (in progress)
Sources
- https://www.honolulu.gov/dpp/resources/fema-flood-insurance-rate-maps-information/ — checked Oct 22, 2026 (HST)