Windows & Doors | Custom-Built Products | Waterloo, IA

Serving the Cedar Valley Area for over 55 years

Community Builders Supply Co. | Doors | Waterloo, IA
Single door Patio door

We take pride in offering you a range of top-quality windows and doors for both your home improvements and new installations. You can depend on our outstanding workmanship and 55 years of experience to get the job done properly every time.

Improve your view, inside and out

Here at Community Builders Supply Co., we offer one of the highest-quality window brands, Great Lake Windows. Plus, all of your new windows will come with a full, limited lifetime warranty.


Call today to recieve your FREE estimate! You'll deal directly with owners, George Skarlis and Mark Ott when you reach out to our licensed and insured service team!

Stellar Windows and Doors for Your Home

Visit our showroom today to see how our selection of windows and doors that can complement the style of your home!

Ask about senior citizen discounts! Call now!

Windows and doors for any style:

  • Custom-built replacement windows and doors

  • Easy operation, tilt-in for cleaning, maintenance-free, no painting

  • French, sliding, entrance, and patio doors

  • Double or triple insulated glass

  • Double hung, casements, and bay and bow windows

Great Lakes Window