San Jose & Bay Area’s Premier Accessory Dwelling Unit (ADU) General Contractor
Expand your home with Alpine Haus Construction, the top-rated general contractor in San Jose & Bay Area for accessory dwelling units (ADUs), home additions, home renovations, kitchen and bathroom remodeling services.
"I highly recommend Alpine Haus for any home addition or remodeling needs."
EXpand your home with an ADU-claim your $395 FREE consultation.
- A personalized assessment of your home
- Expert advice on layout & functionality
- A detailed breakdown of our build process
- Transparent budget guidelines for your project
- Meet the team you'll be working with
Best San Jose ADU General Contractor Experience I’ve Ever Had
"Justin and Alpine Haus Construction recently completed an ADU for us, and the results were phenomenal.
The team was reliable, efficient, and maintained a clean and organized work environment throughout the project. The new space has not only enhanced the functionality of my home but also significantly boosted its value"
John R. - Dec 2024
Serving San Jose & Peninsula with Premier
Accessory Dwelling Unit (ADU)
If you’re looking for an expert in accessory dwelling unit (ADU), you’ve come to the right place.
Free Consultation & Competitive Pricing
5-Star Rating
Licensed, Insured, Bonded
Communicative: Daily
Updates
Industry-Trusted Methods
Family-Owned and
Operated
Schedule your free 1-on-1 Accessory Dwelling Unit (ADU) Consultation
We offer services for accessory dwelling units (ADUs), home additions, home renovations, kitchen and bathroom remodeling.
Accessory Dwelling Unit (ADU) Process
Intital contact
We discuss your ADU build, visit your home, and define the project scope, including pricing, cost, process, and timeline.
Design and Estimate
We provide detailed drawings, layouts, and 3D renderings to help you visualize your ADU. 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 new ADU to life.
“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
View project gallery
Accessory Dwelling Unit – Sunnyvale, CA
Accessory Dwelling Unit – Los Gatos, CA
Home Renovation - Redwood City, CA
Bathroom Remodel - Menlo Park, CA
Kitchen Remodel - Campbell, CA
Home Renovation - Milpitas, CA
Customer reviews
#1 Trusted ADU & Home Addition General Contractor in San Jose & 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 San Jose, 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.
Frequently Asked Questions
Seamless Design, Permits, and Construction—All in One Place
Skip the hassle of coordinating between architects, designers, and contractors. At Alpine Haus, we handle everything—from design and permitting to construction—under one roof for a streamlined, stress-free experience. We provide clear, upfront pricing and work within your budget to ensure cost transparency.
Yes, we do. We handle both residential and commercial home building and remodeling projects. Whether you need home building and remodeling work for your home, office, or a larger commercial space, we have the expertise to get the job done right. From small home repairs to large-scale commercial installations, we’re equipped to tackle projects of any size and complexity.
It depends on the size of the project, but we typically can start fairly soon. Get in touch, and we can give you a more precise timeline.
Yes, we do. Just give us a call or click ‘Free Consultation’ It’s no obligation, and we can usually come out within a couple of days.
Serving the Bay Area
- Menlo Park
- Palo Alto
- Los Altos
- Atherton
- Portolla Valley
- Mountain View
- Sunnyvale
- Los Gatos
- Saratoga
- Campbell
- Santa Clara
- Cupertino
- San Jose
- Milpitas
- Fremont