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Hawaii ADU – A resource on accessory dwelling units on Oahu

A resource on accessory dwelling units on Oahu

The basics

Learn about accessory dwelling units and their benefits

The requirements

Understand the requirements to build an ADU on Oahu

The project

Connect with people who can help with your ADU project

ADU Homeowners’ Handbook

A guide for single-family homeowners who want to build an ADU on their property

Click to download the handbook

Build-A-Thon ADU is up for auction!

Nov 1, 2017
Last April, partnered with Hawai‘i Appleseed for the 2017 Build-A-Thon to construct and display an accessory dwelling unit at the…

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