ADU & Home Addition Sunnyvale
Expand your home with an ADU or addition, creating extra space for your family's comforts and needs.
At Alpine Haus Construction, we specialize in building ADUs and home additions in Sunnyvale and the Bay Area. With over 10 years of experience, we have the expertise to create extra space that enhances your home’s functionality and comfort.
From the initial consultation to the finishing touches, our expert team collaborates with you to design an addition or ADU that suits your needs and style. We ensure every detail in the new built reflects your vision.
As a trusted contractor in the area, we pride ourselves on delivering top-notch craftsmanship, personalized service, and outstanding results. Let us guide you through the process and bring your ideal living space to life!
- FREE CONSULTATION
Provide us info of your plan on ADU or home addition. We will call you ASAP to provide a FREE consultation.
ADU & Home Addition Build Process
Intital contact
We discuss your remodeling needs, visit your home, and define the project scope, including pricing, process, and timeline.
Design and Estimate
We provide detailed drawings, layouts, and 3D renderings to help you visualize your bathroom renovation. Once finalized, we sign the contract and begin preparations.
Pre-Construction
Our team secures permits and coordinates with experts. Clear communication ensures a smooth process as we prepare for construction.
Let’s Build
We start with demolition, followed by inspections, drywall, and plumbing. Finally, our team installs and perfects every detail, bringing your dream space to life.
Our ADU & HOme Additions Projects in Sunnyvale
Accessory Dwelling Unit - Sunnyvale, CA
Accessory Dwelling Unit - Cupertino, CA
“Their craftsmanship and commitment to quality transformed the space beautifully.”
"Alpine Haus team are exceptional contractors, and I couldn't be more pleased with the results of my ADU build. Justin was attentive to my ideas and offered thoughtful suggestions that enhance the overall design, resulting in a stunning space for our family. If you are looking for a skilled, reliable, and professional team for your ADU and home remodeling needs, I highly recommend Alpine Haus. They go above and beyond to deliver results that surpass expectations!"
Colleen N - Feb 2025
Sunnyvale ADU & Home Addition FAQs
Do I need a permit to build an ADU & home additions in Sunnyvale?
No worries! Alpine Haus Construction takes care of all necessary permits before starting any work.
What Sets Alpine Haus Construction Apart?
We handle everything—from design and permits to construction—making the process smooth and stress-free. Locals trust us for our quality work and professionalism!
How to Check if a Sunnyvale Contractor is Licensed and Insured?
Simply visit the California State License Board (CSLB) website and search using the contractor’s license number.
Do I need to have ADU & home addition ideas before contacting you?
Not at all! Whether you have a vision in mind or need guidance, our design experts will help create the perfect ADU & home addition for you.
Which areas near me does Alpine Haus Construction serve?
We provide ADU ad room addition building services in Sunnyvale and throughout the Bay Area.
#1 Trusted ADU & Home Addition General Contractor in Sunnyvale & Bay Area
Alpine Haus Construction specializes in for accessory dwelling units (ADUs), home additions, home renovation, including kitchen and bathroom remodel services. From Palo Alto and Los Gatos to Campbell and Sunnyvale, we’re dedicated to delivering exceptional craftsmanship and top-tier services.
"The team did an amazing job on my ADU build ..."
- FREE CONSULTATION
Provide us info of your ADU build. We will call you ASAP to provide a FREE & no-obligation consultation.
Our Services & Locations
ADU & Room Addition
- ADU & Room Addition San Jose
- ADU & Room Addition Sunnyvale
- ADU & Room Addition Santa Clara
- ADU & Room Addition Los Angeles
- ADU & Room Addition Los Gatos
- ADU & Room Addition Los Altos
- ADU & Room Addition Saratoga
- ADU & Room Addition Mountain View
- ADU & Room Addition Cupertino
- ADU & Room Addition Campbell
Fireproof Home & Exterior
- Fireproof Home & Exterior San Jose
- Fireproof Home & Exterior Sunnyvale
- Fireproof Home & Exterior Santa Clara
- Fireproof Home & Exterior Los Angeles
- Fireproof Home & Exterior Los Gatos
- Fireproof Home & Exterior Los Altos
- Fireproof Home & Exterior Saratoga
- Fireproof Home & Exterior Mountain View
- Fireproof Home & Exterior Cupertino
- Fireproof Home & Exterior Campbell
Outdoor & Deck Remodel
- Outdoor & Deck Remodel San Jose
- Outdoor & Deck Remodel Sunnyvale
- Outdoor & Deck Remodel Santa Clara
- Outdoor & Deck Remodel Los Angeles
- Outdoor & Deck Remodel Los Gatos
- Outdoor & Deck Remodel Los Altos
- Outdoor & Deck Remodel Saratoga
- Outdoor & Deck Remodel Mountain View
- Outdoor & Deck Remodel Cupertino
- Outdoor & Deck Remodel Campbell
