If you can't make it to the Fair, no problem you can still take Advantage of  Iowa State Fair Early Bird Incentives! Beat the State Fair Rush! Windows, doors, siding, and sunrooms. Call, Click or Stop into one of our Showrooms Today!

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Iowa's Most Trusted Exterior Remodeling Company
At Midwest Construction, "Quality Products, Quality Installation" is our motto because that is what we set out to provide for each of our customers.

Greg K.

Impressed

Very happy with everything and everyone involved. Installation guys showed their true skills. Impressed.

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Iowa Windows, Siding & Sun Rooms

Mason City

Mason City, IA

Phone - (515) 305-2241
Hours - Mon-Thurs: 8am-4:30pm, Fri:8am-1pm

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Grimes

Grimes, IA

Phone - (515) 305-2241
Hours - Mon-Fri: 8am-4:30pm, Sat: By Appointment Only

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Instant Cash Coupon with Up to $660 Off New Siding, $660 Off New Sunroom Purchase Or $66 Off per Window Opening

Use our Instant Cash Coupon and save $660 off Complete Siding Job Installed. All Colors Available. *Not valid with other offers or prior sales,* Must be over 1,000 Square Feet*

Up to $66 Off Per Opening

Trade in your old windows and receive up to $66 per window opening! Use our Instant Cash Offer* not valid with other offers or prior sales. *Up to 100 Unite Inches & You must present offer upon initial visit.

Up to $660 Off New Siding

Use our Instant Cash Coupon and save $660 off Complete Siding Job Installed. All Colors Available. *Not valid with other offers or prior sales,* Must be over 1,000 Square Feet*

Why Choose Midwest Construction

Our Community Says It

Our Community Says It!

Recognized by the BBB 2 times (Integrity Award) for Fair and Ethical Business Practices. 2021 Mason City Chamber of Commerce Small Business of the Year. Recognized by Local Radio and TV as "one of the finest family run business we’ve ever seen.“ Check out our customer testimonial TV commercial for more details on our premium products and services.

Family owned and operated

We Say It!

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

Satisfied Customers

Satisfied Customers Say It!

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

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About Midwest Construction

Quality products, quality installation is not only Midwest Construction's motto, but it is what we strive to provide to all of our beloved customers. We have researched and found the best products for your exterior remodeling project, becoming exclusive dealers on most to pass along great savings to you, and remain on top of the best installation practices the industry has to offer. What does this mean to you? Peace of mind that after we finish your job, you will enjoy your project for many years to come.

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Midwest Construction

Beautiful Results Enjoyed by Countless Homeowners

Our stunning windows have been appreciated by homeowners all across Central Iowa. View our gallery for inspiration!

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Popular Products & Services

Midwest Construction offers the best replacement windows, siding and sunrooms available – and our customers always – always – talk about our clean, courteous installation crews.

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NAHB BBB NARI Energy Star Lead-Safe Certfied Firm - EPA VSI Certified Vinyl Siding Installer Preferred Partner Full Back - Insulated Siding Trusted Local Reviews | Midwest Construction & Supply, Inc. Remodeling Big50 USA Today HBA