April is our Anniversary Month - Stop in and view full size window and siding displays or walk into our Oasis All Season Sunroom for the real life sunroom experience.Schedule your Free Inspection and Exact Cost Today! Double the Value of the Instant Cash Coupon!
Van & Bonnie Radio

Mason City: (641) 715-9007 Grimes: (515) 512-5484

As a premier Altoona window and door replacement company since 1958, Midwest Construction is dedicated to quality products, quality installation—just as our motto suggests.

After more than half-a-century in the business, we've helped thousands of families execute exterior remodeling projects – large and small – on-time and on-budget. We replace:

  • Windows
  • Doors
  • Siding
  • Sun Rooms
  • Gutters

We also install and repair sun rooms! And, of course, our entire team is factory trained – in fact, all of our production managers are VSI-certified, so you know your project is being handled according to installation best practices!

Call today for your free consultation and no-obligation quote!

Altoona Window and Door Company

Before you make a decision on which company you're going to select to perform your Altoona exterior remodeling, swing by our showrooms in Mason City or Grimes and see what the professionals at Midwest Construction have to offer...

We guarantee that your remodeling project will be completed on-time and on-budget – just as it should be. We also promise to replace your window, doors, vinyl siding and gutter with the best-quality materials and products.

Our pros will guide you through every step of the project – answering all of your questions along the way...

Call us today for a free, no-obligation consultation. You'll be glad you did!


Midwest Construction Reviews

When I had some questions, Lee did not hesitate to come to my house and explain the process. I was able to make a much better choice because of his help.