United Construction Group Hawaii
Custom Home Additions
Providing custom home building services to Hawaii including Oahu, Maui, Big Island, and Kauai.
At UCG Hawaii, we provide expert home addition services to create the extra space you need while maintaining the beauty and functionality of your home.
Whether you’re growing your family, looking to add luxury amenities, or simply want to upgrade your living space, our custom home additions are designed to blend seamlessly with your existing structure.
Our Custom Home Addition Services
Bedroom Additions
Expand your home’s comfort and functionality by adding bedrooms designed with attention to detail and your family’s unique needs. From luxurious master suites to cozy guest rooms, we create spaces that reflect your style and enhance your living experience.
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Master Suites
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Guest Bedrooms
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Children’s Bedrooms
- Walk-In Closets
- Home Office Conversions
Multi-Generational Spaces
Foster family togetherness while maintaining privacy with well-designed multi-generational spaces. These additions are perfect for accommodating extended family, offering both independence and a shared home environment.
In-Law Suites
Guest Houses
Accessible Additions
Shared Living Areas
Private Entrances
Outdoor Living Spaces
Enjoy Hawaii’s natural beauty by creating outdoor spaces that blend seamlessly with your lifestyle. From elegant lanais to fully-equipped outdoor kitchens, we help you make the most of your property.
Lanais and Patios
Deck Extensions
Outdoor Kitchens
- Pergolas and Gazebos
- Fire Pits
- Swimming Pool Areas
Garage Additions & Conversions
Maximize your property’s potential with garages that serve more than just storage. Whether you’re adding a new structure or converting an existing one, we design spaces to fit your needs, from workshops to modern living areas.
New Garages
Garage Apartments
Storage Solutions
- Home Gym Conversions
- Workshop Areas
- EV Charging Stations
Kitchen Expansions
Transform your kitchen into the heart of your home with expanded layouts, modern appliances, and custom designs. Whether you need more space to entertain or dream of a chef-inspired setup, we bring your vision to life.
Open-Concept Kitchens
Chef’s Kitchen
Island Additions
- Pantry Expansions
- Custom Backsplashes
- Lighting Upgrades
Living Room Enhancements
Elevate your living room into a stylish and functional hub for family gatherings, relaxation, or entertainment. From custom built-ins to upgraded lighting, we ensure your living space is as inviting as it is practical.
Entertainment Rooms
Open Layouts
Fireplace Additions
- Custom Built-Ins
- Ceiling Treatments
Our Remodeling Process
Step 1
At United Construction Group, our design experts begin with a detailed in-home consultation to understand your vision and create custom 3D renderings.
Step 2
United Construction Group’s dedicated team ensures minimal disruption to your home life, with daily cleanup and consistent updates throughout the construction process.
Step 3
United Construction Group’s Hawaii bathroom remodeling team meticulously inspects every detail, ensuring all elements meet our premium quality standards.
Your Custom Home Awaits
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- Personalized Consultation & Design
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- Immersive Design Experience
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- Transparent Planning
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- Minimal Disruption Installation
- Quality Assurance
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Picture Gallery
Plan. Design. Build your dreams.
We redefine construction with commitment and
expertise, shaping enduring, inspiring spaces. We strive to create enduring spaces that inspire and stand as a testament to our dedication to