Trust Your New Sunroom Design to the Original Sunroom Company
With over 70 years of design and installation experience, you can rest easy knowing the custom sunroom we build will enhance your property.
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Sunrooms San Jose CA

Certified Quality

Certified Quality

Our American-made, AAMA-approved windows and doors meet the International Building Code and are Energy Star-rated.

Superior Features

Superior Features

Our frames, cladding, glass panes, and other features are engineered for strength and efficiency in any climate.

Custom Designs

Custom Designs

Every component of your new sunroom will be designed just for you: the foundation, walls, roof, windows, and doors!

Residents of San Jose are lucky to enjoy pleasant weather throughout the year, but that doesn’t mean you can always get out and enjoy it. Whether it’s raining, the backyard is full of bugs, or the sun is really beating down in the summer, you can make the most of your space with a sunroom in San Jose.

C-Thru Sunrooms has completed thousands of sunroom additions in the over 70 years we have been in business. We are the original sunroom company, after all! Our team is trained and equipped to help you with everything from creating a custom design to installing your sunroom on your property. Our process is so efficient that we can even complete some installations in as little as two days!

Choose from San Jose sunrooms that include:

  • All-Season Sunrooms
  • Enclosures
  • Patio Covers
  • And More

All-Season Sunrooms in San Jose, CA That Let You Stretch Your Legs

Sunrooms allow you to enjoy the outdoors, but they allow you to increase the square footage of your home too. Especially if you choose a sunroom addition that you can use all year long! The all-season rooms from C-Thru Sunrooms can be enjoyed, no matter what the weather. They are specially built to match the exterior and interior style of your home, and with energy-efficient features, you'll enjoy a comfortable space without a huge increase in your energy bills.

Update Your Existing Deck with a Custom Enclosure

A sunroom installation doesn’t have to mean a completely new space. We can use your existing deck to create a custom sunroom! When you do, you'll enjoy benefits like:

  • An installation that can take as little as two days
  • WeatherGuard™ products that boost energy efficiency
  • SmartGlass™ windows with sound proofing features
  • No visible screws or caulking with concealed fasteners

Get Some Fresh Air with a Stylish Patio Cover

If you like the idea of relaxing and entertaining outside, but you don’t want to be at the mercy of the sun or the rain, consider a stylish patio cover. Our products are specially designed to enhance the exterior of your home while shielding your outdoor space. Choose from a wide variety of features that include glass roofs, lattice covers, curved or straight eaves, and more.

Explore Your San Jose Sunroom Options with a Design Consultation

You just have to see all the sunrooms in San Jose, CA that can be customized for your home! C-Thru Sunrooms is proud to offer free design consultations so you can learn everything there is to know about how we can create a personalized space that you, your friends, and your family will love to use. Give us a call to schedule your San Jose sunroom consultation, or fill out our online form and request a free estimate.