Cupertino Home Addition Contractor

Expand your space. Expand your pleasure.

Serving Santa Clara and San Mateo counties and parts of the East Bay. See our complete list of Bay Area cities we serve.

Whether you would like to add a second floor, an office or expand the master suite to your Cupertino home, the possibilities are endless. Using the latest technology available we can create a unique concept, provide planning, and then build your new room. Contact us for references or a job site walk-through at your home in Cupertino

Expand the living space in your Cupertino home with a new addition

From floor to ceiling, we do it all…

Featured Project

San Carlos, CA

Our featured project is a new custom home, built from the ground-up . We demoed the old house and rebuilt an energy efficient and ultra-sleek modern farm house. We can do the same for your Cupertino home.

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See What Other Clients in Cupertino Have to Say About Us

"Carlos and Jose were true artists when it came to design and execution. I never expected to see such a high level of perfectionism from contractors. We are beyond thrilled with our new spaces and all the compliments we have received."

"Bay builders did an awesome job remodeling my kitchen. Aviv and Gilad were very attentive to my requests and the small details. Very high-quality work and service."

"You have to call them!! One of the bay area's best kept secrets - this group was wonderful to work with, and our project manager Tomer was/is a complete rock star!"

"I just wanted to compliment how amazing was the service… when done I was at tears. Absolutely recommend this company to anyone who is looking for construction work"

"Remodeling with Bay Builders & Remodeling was AMAZING! From the ease of scheduling the initial appointment to the final walk through each step of the way exceeded our expectations!!"

"Bay Builders & Remodeling team were extremely helpful in guiding us through the entire process. My husband and I highly recommend Bay Builders based on their excellent communication & outstanding craftsmanship"

And now you can eliminate the guesswork in your new room addition with 3D renderings!

What floorplan should you choose? What style should you get? And what about the wood, the doors, the hardware and the countertops? What if you make the wrong decision and then you have to live with it? This is the value of 3D rendering, a new service we’re offering here at Bay Builders for all our clients in .

Hard to believe, but these are 3D renderings of girl’s and a boy’s bathrooms.

And if you've hired Bay Builders for your Cupertino home addition project and don't like what you see, we'll start over until we get the rendering right before we hand it off to our build team to bring your vision to life.

Highly Rated and Recommended

Our reputation throughout the Bay Area keeps on growing

Request a complimentary consultation

Get answers, ideas and recommendations today

Call (408) 216-7516

Or submit the following form and we’ll call you to schedule an appointment for a complimentary consultation.

Check out our other Cupertino home construction & remodeling services

We offer the latest in home energy performance and eco-friendly building options, as well as stress-free seamless planning for Cupertino new home construction and remodeling.