Next Week, get your home ready for winter at our Fall Open House. Grimes and Mason City Showrooms will be open on Saturday October 10th. Van and Bonnie from WHO-Radio will be broadcasting live from the Grimes location! Save money on your next window, siding or sunroom improvement! Limited Manufacturers Incentives available. Showrooms are open Monday through Friday from 8-4:30 in Grimes and Monday - Thursday from 8-4 and Friday 8-1 in Mason City.
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.

See More Offers

Visit Our Showroom

Mason City

Mason City, IA

Phone - (641) 715-9007
Hours - Mon-Thurs: 8am-4:30pm, Fri: 8am-1pm or by Appointment Anytime Including Saturday


Grimes, IA

Phone - (515) 512-5484
Hours - Mon-Fri: 8am-4:30pm or by Appointment Anytime Including Saturday


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

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

Watch Our Video

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.

Learn More

Midwest Construction Reviews

Rebecca R.

Fantastic job. Your company performs at 10 point perfection in every stage of interaction. Keep up the good work! The "phone" sales lady was the BEST ever! Really enjoyed talking to her - everyone else was great too!


NAHB BBB NARI Energy Star Lead-Safe Certfied Firm - EPA VSI Certified Vinyl Siding Installer Preferred Partner Full Back - Insulated Siding