Accessory Dwelling Unit Homeowners’ Handbook: A Guide for Homeowners on Oahu Interested in Building an Accessory Dwelling Unit


By: Hawaii Appleseed Center for Law & Economic Justice
Report a broken link

Accessory Dwelling Units

This local guide explains property owner options for developing accessory dwelling units (ADUs) in Oahu County, Hawaii. It begins with an introduction to the concept of ADUs, a process diagram, and a history of ADUs in Hawaii before discussing project scoping, design, permitting and construction, and being an ADU landlord. The appendices include local regulations, sample paperwork, checklists, materials lists, and references for additional information.

Honolulu, HI

2010 Population: 953,207

2010 Population Density: 1,586.71/square mile