The Building Company
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The Building Company Location

The Building Company

1407 John Hill Road
Eureka, CA 95501
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(707) 289-9530

Products We Offer

All Season Rooms
Patio Covers
Screen Rooms


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About Us

John Mielke
John Mielke

Your home is one of your greatest investments, and you want every area of your property to be beautiful, functional, and built for long-term durability. That includes your outdoor living space, and The Building Company is the C-Thru Sunrooms dealer that you can count on to take your house to the next level.

With our exceptional selection of sunrooms, enclosures, and more, we offer countless ways to upgrade and enhance your California home, including:

  • All-season and three-season rooms built with high-efficiency materials that are both stylish and incredibly weather resistant.
  • Customized sunroom designs from integrated studio rooms to grand gabled sunrooms that create exceptional curb appeal.
  • Screen rooms that allow you to fully enjoy the great outdoors—without the hassle of dealing with pests and inclement weather.
  • All-glass conservatories ideal for use as a functional greenhouse or as a relaxing space for entertaining.
  • Stylish patio covers in a wide range of options that create a protected backyard space that the whole family can enjoy.

With our high-quality C-Thru Sunrooms products, factory-trained crews, and full-service support, there is no better choice than The Building Company to provide you with the home addition of your dreams! Learn more about what we have to offer by giving us a call today, or request a free estimate and consultation now by filling out our simple, online form.  




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