State directory · HI · West

Hawaii building departments

This Hawaii directory covers 5 Census county equivalents and local building-department guides. Hawaii counties are central to permit administration. A project may also involve state land-use, shoreline, environmental, or special-area review.

How permitting works in Hawaii

State framework with county administration. A county name is a geographic index, not a promise that the county government issues every building permit. Many projects are handled by a city, town, township, borough, parish, regional office, or independent city.

Source-backed state research

Hawaiʻi State Building Code Council / counties

Checked 2026-07-30

Hawaiʻi maintains state building-code rules while counties may amend and adopt county building codes. The applicable permit office is therefore normally the county or the City and County of Honolulu, and local amendments should be checked for the property.

Read the official state source ↗

Researched local guides

Available department pages

8 guides

Geographic coverage

Browse Hawaii counties

5 county equivalents