Oʻahu property lookup.

Oʻahu is Hawaiʻi's most populous island and the seat of the City & County of Honolulu. Its parcels carry TMK numbers beginning with 1, and land use is governed by the Honolulu Land Use Ordinance (LUO).

Neighborhoods on Oʻahu

Research guides

This is a plain-English overview, not legal or zoning advice. Districts, permitted uses, and minimum lot sizes change and vary by county. Always confirm the current rules for a specific parcel with the relevant county planning department (on Oʻahu, the Department of Planning & Permitting) before relying on them.