Take a look at our past work!

Custom Exteriors Inc.

We Make Homes Beautiful

As a leading window and door company serving the San Francisco Bay Area, Custom Exteriors takes pride in the fact that we’ve been helping local customers enhance the beauty, protection, and energy efficiency of their homes since 1997. Our primary focus is on providing superior window and patio door products, including top-of-the-line models from Infinity from Marvin. However, as a full-service exterior remodeler, we’re also the area’s go-to provider of high-quality siding, entry doors, and more.


Indeed, we specialize in holistic exterior remodeling services, providing comprehensive design guidance to ensure every customer loves the results of our work. Most importantly, our team delivers unparalleled value, making sure that every installation is completed to the industry’s highest standards.

Our Work

1438 Vía Don Jose , Alamo, CA, US
  • Marvin: Bi-Fold Door(s)
  • Marvin: Window(s) & Patio Door(s)
  • Sales Rep: Grayeagle Porter
38325 Fitzgerald Circle , Fremont, CA, US
  • Sales Rep: Grayeagle Porter
108 Lawnview Circle , Danville, CA, US
  • Sales Rep: Grayeagle Porter
3542 Falcon Drive , Concord, CA, US
  • Sales Rep: Grayeagle Porter
3720 Warwick Road , Fremont, CA, US
  • Sales Rep: Grayeagle Porter

Customer Testimonials

Reviewer photo
Lily Chang
Definitely 5 stars for Custom Exteriors - We would give more than 5 stars if there are more than 5 stars for Custom Exterior!! Custom Exteriors did a fabulously impressive job for our recent door project. Custom Exteriors was highly recommended by one of our friends because our friends were happy with Custom Exteriors. We were looking at more than several vendors and Custom Exteriors definitely was the best from many aspects such as experience, knowledge, transparency, dependability, integrity, ... Read more
Reviewer photo
Lisa Violet
⭐️⭐️⭐️⭐️⭐️ Custom Exteriors remains our go-to for doors and windows. Great quality, top service, and unbeatable value. From sales to installation, to scheduling, service and billings, every step was smooth, professional, and accommodating. They even adjusted the schedule to help us meet another project timeline. Highly recommend! Special callout to Roberto the team lead installer and Grayeagle the client-focused sales rep.
Reviewer photo
Mark Miller
We recently had Custom Exteriors design and install custom windows for our home, and once again, they exceeded all expectations! From start to finish, the entire process was outstanding — their customer service was prompt, friendly, and incredibly helpful, the installation was done efficiently and with great attention to detail, and their follow-up to ensure everything was perfect truly set them apart. This was actually the third project we've done with Custom Exteriors — they had completed two... Read more
Reviewer photo
Ruth Moore
The overall experience with Custom Exteriors was outstanding. They use high quality products and customer service was above and beyond. The installers were respectful, careful to ensure nothing was damaged, and diligent in cleaning up during the installation.
Reviewer photo
Juliet Vercelli
The crew is very professional and accurate. We have had a lot of work done this year. Of all the companies we have used, Custom Exteriors is the only one who sent us a thank you card. Those little gestures mean a lot to us. Our purchase was an investment. Once the representative had gone through our options, we felt an upgrade was a better choice for us. We appreciate his knowledge, as well as the follow-up throughout our installation.