Van & Bonnie Radio
  • Mason City, IA: (641) 715-9007
  • Grimes: (515) 512-5484

Midwest Construction - Iowa Windows, Siding & Sun Rooms

At Midwest Construction, "Quality Products, Quality Installation" is our motto because that is what we set out to provide for each of our customers – regardless of the size and scope of the project.

Midwest Construction VIP Monthly Giveaway

It's March and we have gone mad!! We are give away $100 to not one, but TWO winners!

Up to $60 Off Per Opening

Use our Instant Cash Offer * not valid with other offers or prior sales. *Up to 100 United Inches & You must present offer upon initial visit.

$600 Off New Sun Room

Save $600.00 on a new sun room purchase. *Studio or Gabled sun rooms available. *Not valid with other offers or prior sales. You must present coupon upon the initial visit.

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Visit Our Showroom

Mason City

Mason City, IA

Phone - (641) 715-9007
Hours - Mon-Thurs: 8am-4:30pm, Fri:8am-1pm


Grimes, IA

Phone - (515) 512-5484
Hours - Mon-Fri: 8am-4:30pm


We invite you into our showroom. Stop in and take a look at full sized window displays. See Showrooms
Iowa Map Locations

Project Portfolio

Serving customers throughout Iowa. Check out our past projects.

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Why Choose Midwest Construction


Van & Bonnie Say It!

Van & Bonnie, WHO 1040 AM Des Moines, Iowa Talk Radio. Van says: "It's one of the finest family run businesses we've ever seen."


We Say It!

Midwest Construction, family owned and operated, has been providing quality products and professional installation since 1958.

Sun Rooms

Satisfied Customers Say It!

Real testimonials from real customers. Here is why theses customers are so happy with Midwest Construction. Read customer testimonials here.

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Company Blog

About Midwest Construction

Since 1958, we’ve been learning and growing hand-in-hand with our industry – finding the best exterior remodeling products and becoming their exclusive dealers in the process – ensuring that our customers receive the finest installation and service possible.

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Midwest Construction Reviews

After several years I noticed a small crack in one of my windows. When I called Midwest they didn't hesitate. The window was repaired within a couple of weeks. Very professional. Nice to have a company give service after the sale.


NAHB BBB NARI Energy Star Lead-Safe Certfied Firm - EPA VSI Certified Vinyl Siding Installer Preferred Partner Full Back - Insulated Siding Midwest Construction & Supply, Inc. is a Screened & Approved HomeAdvisor Pro Remodeling Big50 USA Today HBA