Attached ADU near Kailua, HI

Elevate Builders Hawaii offers home building, renovation, and ADU construction services, including detached ADUs, garage conversions, and in-law suites. Every home includes a 1-Year Limited Warranty for added peace of mind.

Tall Builders is Oahu's trusted home addition contractor with 20+ years of experience. Services include ADUs, garage conversions, second story additions, lanai extensions & sunrooms. Licensed, insured & ROH-compliant.

In the heart of Honolulu, a quiet change in residential architecture is happening with Accessory Dwelling Units (ADUs). These well-designed living spaces are more than just extra square footage—they represent the spirit of ‘ohana and provide a practical solution to Hawaii’s housing problems.

We are H-1 Construction, one of the few local, family-owned, and operated home builders in Honolulu, Hawaii. We take pride in our work and the relationships we have fostered over the years.

Warrior Construction (license #BC-34373) builds ADUs and ohana units across O'ahu, including detached cottages, garage conversions, and attached units. Costs range from $150K–$600K+. They manage design, permitting, and construction end-to-end.

General Contractors Oahu offers home additions & ADU construction across Oahu, Hawaii. Services include bedroom, bathroom, second-story additions & granny flats. Licensed, insured & bonded with a 1-year labor warranty. Free estimates available.

Accessory Dwelling Units (ADUs) are a fantastic way to maximize your property’s potential. Whether you’re looking to create a guest house, rental unit, or additional living space for family members, our ADU construction services provide a versatile and comprehensive solution tailored to your needs.

Hilweh Builders LLC is an Oahu, Hawaii general contractor specializing in ADUs, home additions, and design-build remodeling. Led by Chad Hilweh, they offer integrated architect collaboration, on-budget project management, and Hawaii-specific residential construction expertise.

From Ohanas (ADU) to luxury custom houses, we pride ourselves in offering uncompromising results and unquestionable ethics.

Coulson Hawaii offers full-service ADU construction on Oahu, managing design, permits & build. Specializing in second-story additions, in-law suites & wheelchair-accessible granny flats to help Hawaii families maximize their property.

Homeworks Construction Inc. is a licensed Oahu contractor with 30 years of experience. Services include custom homes, remodeling, additions, kitchens, bathrooms, lanais, and pools. Their design-build model ensures on-budget, on-schedule results with warranties.

Solid Built Construction, Inc. is a licensed Honolulu contractor serving Oahu since 2007. Based in Hawaii Kai, they offer custom homes, ADU construction, remodels, additions, and renovations across Kahala, Kailua, and Honolulu.

Homeowners Design Center in Honolulu, Hawaii, offers ADU design, kitchen & bathroom remodeling, and interior finish products. Family-owned with 40+ years of experience, they serve residential and commercial clients with custom, quality-driven solutions.

UCG Hawaii offers home additions across Oahu, Maui, Big Island & Kauai. Services include ADUs, granny flats & in-law suites. They handle permits, design & site challenges, with a free consultation to start.