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Disclaimer

The purpose of this list is to provide contact information of construction professionals that offer services relevant to ADUs. We do not vouch for any of the construction professionals on this list. Please follow the guidelines outlined in the Homeowners’ Handbook to help you make an informed decision when hiring a professional.

If you are a local construction professional and would like to be added to this list, please email [email protected].


Logo for Alan Shintani, Inc.
Alan Shintani, Inc.
Alan Shintani, Inc.

Design, build, historical, residential, commercial, government

License # CT-13068

Logo for Atlas Construction Inc.
Atlas Construction Inc.
Atlas Construction Inc.

Design/build contractors

License #: BC-27277

Logo for Barnett Construction, Inc.
Barnett Construction, Inc.
Barnett Construction, Inc.

GC- Builder. (design, build, supply, etc.)

License # BC-23615

Logo for Bento Homes LLC
Bento Homes LLC
Bento Homes LLC

We provide total turnkey Accessory Dwelling Units (ADU). Each unit has a guaranteed price and one year warranty. Multiple floorplans and unit sizes are available. Please visit our showroom at 441 Cooke Street to see our ADU on display or visit our website at bentohomes.com.

Logo for Blue+Green Innovations
Blue+Green Innovations
Blue+Green Innovations

Turnkey Structures

ADU Packages: Finance+Design+Permit+Build

License # BC33082

Logo for Design Trends Construction Inc
Design Trends Construction Inc
Design Trends Construction Inc

Residential and commercial remodeling, full service design, complete home builds, ADUs and extensions

License # BC-23189

Logo for Drafting Hawaii, LLC
Drafting Hawaii, LLC
Drafting Hawaii, LLC

We provide site assessment, pre ADU application routing, ADU spatial design, concept renderings, program configuration, construction documents, permit routing.

Logo for Gundaker Works LLC
Gundaker Works LLC
Gundaker Works LLC

- Property assessment and acquisition
- Custom home packages and Standard packages(through affiliates)
- Interior Design
- Construction Management
- Residential Construction
- Pre- Fabricated Panelized Wall Systems

License # BC-32542

Logo for Hardware Hawaii Ltd
Hardware Hawaii Ltd
Hardware Hawaii Ltd

Offer 4 house packages that meets the requirements of ADUs including plans and all materials

Logo for Hawaii ADU LLC
Hawaii ADU LLC
Hawaii ADU LLC

Every client and build site is unique. Please contact us for a free, no obligation consultation.

Numerous ADUs from 200 to 800 sq. ft. - Choose the right OHANA KIT model for the living space you need or to maximize your rental income potential

Your ADU is built off-site in 90 days - With your deposit, your OHANA KIT is built in a state-of-the-art factory in approximately three months

General Contractor Resources - Experienced contractors will navigate you through the installation of the ADU on your property

Site Preparation & Permitting Support - We will coordinate with your preferred service provider

Electrical & Plumbing - We work with a network of licensed electricians and plumbers to safely connect your new ADU

Most Installations Take One to Two weeks - Once permits are approved and the site is ready, we quickly and efficiently install your OHANA KIT ADU

Professional Property Management - Established companies find quality tenants, file general excise taxes, and manage your ADU as a rental

Logo for Hawaii Appleseed Center for Law and Economic Justice
Hawaii Appleseed Center for Law and Economic Justice
Hawaii Appleseed Center for Law and Economic Justice

Hawai‘i Appleseed Center for Law and Economic Justice is a nonprofit, 501(c)(3) law firm created to advocate on behalf of low-income individuals and families in Hawai‘i on civil legal issues of statewide importance and to complement the assistance provided by existing legal services providers in the state.

As a result of Hawai‘i Appleseed’s efforts, as well as others, Bill 20 was passed in September 2015 legalizing accessory dwelling units in the City and County of Honolulu.

Logo for Hawaiian Community Assets
Hawaiian Community Assets
Hawaiian Community Assets

Hawaiian Community Assets (HCA) is a HUD-certified financial education and housing counseling agency that can assist you and your ohana to become financially qualified to secure loans and/or grants to build your ADU.

Sign up for HCA’s free services and you will be matched with a dedicated counselor who will help you develop a budget, review your credit report, conduct a mortgage qualification assessment, and assist you in applying for grants and loans to help build your ADU.

Logo for Hawaiian Community Development Board
Hawaiian Community Development Board
Hawaiian Community Development Board

Hawaiian Community Development Board (HCDB) was incorporated as a Hawaii non-profit in 2000 with the mission of expanding affordable housing and community development opportunities for low-income families in Hawaii. Under the leadership of Kali Watson, the former Director of the Department of Hawaiian Home Lands (DHHL) and with the support and guidance of a dedicated, knowledgeable Board of Directors that comprises community leaders throughout Hawaii, HCDB has established partnerships with housing developers and other community-based organizations to expand housing and economic development opportunities for low-income Hawaii residents. Since its inception, HCDB has focused on addressing specific housing needs of “hard-to-serve”, low-income Native Hawaiians living on the Hawaiian Home Lands.

Logo for Homeworks Construction, Inc.
Homeworks Construction, Inc.
Homeworks Construction, Inc.

We are a Residential Design Build Company with the ability to complete turn-key residential construction projects. We specialize in New Homes, Additions and Remodels.

License # BC 20040

Logo for Honsador Lumber
Honsador Lumber
Honsador Lumber

Design, Build, Material Supply, Affordable Package Home Kits

Logo for IntelliVisum, Ltd – Consultants
IntelliVisum, Ltd - Consultants
IntelliVisum, Ltd - Consultants

Preconstruction, Construction and Design Consultant

Logo for Nu House Hawaii
Nu House Hawaii
Nu House Hawaii

Nu House offers sustainably-built, eco-modular ADUs - the ultimate indoor/outdoor living structures for Hawaii. We have fully-prepared architectural drawings and offer turn-key construction services, permitting support, site preparation, and financing. Our models are available in 400-1,200 sq ft.

Logo for Owner Built Design, LLC
Owner Built Design, LLC
Owner Built Design, LLC

Residential design, architectural drafting, and permit processing. I focus on helping owner builders, contractors, and real estate developers with their residential design/drafting needs.

Logo for Permits Hawaii, LLC
Permits Hawaii, LLC
Permits Hawaii, LLC

Building & Zoning Permits, Environmental/Land Permits, Building Code Specialist

Logo for Putter Furnishing
Putter Furnishing
Putter Furnishing

Dwyer Products: Modular and Micro-kitchens: durable aluminum cabinets, thermofoil doors, corian tops. Free design.

Logo for Results Construction
Results Construction
Results Construction

Design & Drafting, Renderings, Engineering, Permit Routing and Full Construction Build Services

License #BC29193

Logo for Tiny Pacific Houses
Tiny Pacific Houses
Tiny Pacific Houses

Design, Pre Fabricated ADUs, and off the grid ADUs

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