“Changing the way you view the world.”

The owners of Cal Coast Window & Door have over 20 years experience installing windows and doors in and around the city of Danville, CA. This experience means Cal Coast Window & Door is equipped to handle the unique challenges and architectural style of the city. Working closely with city officials is an important part of understanding the requirements of the area and helping the community improve their homes.

Simonton’s DaylightMax windows and Contemporary Sliding Patio Doors are the perfect products for today’s home, offering more visible glass area and optimal energy efficiency. The natural look of Simonton products will give your home a clean, updated look while still maintaining the architectural integrity of your neighborhood.

As certified AMAA Installation Masters, Cal Coast Window & Door is committed to cutting edge installation techniques while adhering to code requirements and maintaining an ongoing relationship with local building departments. All of our installations are backed by our Limited Lifetime Warranty and Simonton’s industry leading product warranty.

Rob, the owner of Cal Coast Window & Door is hands on, working personally with every customer from start to finish to ensure proper product selection for the individual home, as well as top quality installation and complete customer satisfaction.

If you are interested in getting replacement windows and doors in or around the Danville, CA area Cal Coast Window & Door is the company for you. Please do not hesitate to contact us by phone at (925) 398-8184 or online by requesting a quote.

We look forward to assisting you with your home improvement project.


Cal Coast Window & Door takes the stress out of upgrading your home. See how our process can work for you.


Contact us today to set up a free, no obligation meeting with one of our specialists. We understand that you are busy so we will do our best to work around your schedule.


Once we have your vision finalized we are ready to go to work. We strive to make the entire process as quick and efficient as possible.


We truly feel this is the most important part of what we offer! We accomplish this by listing to our customers, but don’t take our word for it, we invite you to read some of our customer reviews to see for yourself.