2 Best ADU Builders in Kailua, Hawaii
Verified ADU contractors and builders in Kailua, HI
Showing 1–2 of 2 listings
Pacific Dynamics Remodeling
Transform your underutilized garage into functional living space with expert conversion services in Kailua. Our specialized team handles every aspect of garage-to-living-space remodeling, from structural modifications to finishing touches.
R. Clary Builders Inc.
Based in the Windward side—yet serving its surrounding cities including Honolulu, Hawaii Kai, Kailua, and Kaneohe—is the firm R. Clary Builders Inc. For years, it has built a strong reputation for quality service and workmanship.
Frequently Asked Questions — ADU Builders in Kailua
How much does it cost to hire an ADU builder in Kailua?
ADU construction costs in Kailua, Hawaii vary widely depending on size, type, and site conditions. Detached ADUs typically range from $150,000–$400,000+, while garage conversions and attached ADUs can be more affordable. Contact multiple builders in Kailua to get accurate quotes for your specific project.
How long does it take to build an ADU in Kailua?
In Kailua, the ADU construction timeline typically ranges from 6 to 18 months from permit application to move-in. Permitting alone can take 2–6 months depending on Hawaii local regulations. Prefab and modular ADUs often have faster timelines than site-built units.
Do I need a permit to build an ADU in Kailua?
Yes, a building permit is required for ADU construction in Kailua, Hawaii. Your ADU builder will typically handle the permit application as part of their service. Hawaii has adopted streamlined ADU permitting laws in recent years, which may reduce wait times.
What types of ADUs can be built in Kailua?
Common ADU types in Kailua include detached ADUs (backyard cottages), attached ADUs, garage conversions, basement conversions, and prefab/modular ADUs. The best type for your property depends on lot size, zoning, and budget. A local Kailua ADU builder can advise on what's allowed on your specific parcel.