St. Louis Replacement Window Company

When it comes to finding the best replacement windows for your St. Louis home, there’s no one better to have on your side than the local experts at Cardinal Contractors. Since we first opened our doors in 2012, our team has worked with the most trusted manufacturers in the country, including windows by Andersen and Pella.

Along the way, we have maintained an A+ rating with the Better Business Bureau and have earned the trust of thousands of local customers. Are you ready to start planning your window installation? Our local experts are just a phone call away!

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get started with these deals!

Limited Time Offers

We Protect Your Home with a Lifetime Limited Labor Warranty

Enjoy the confidence of knowing that your St. Louis home improvement is covered by an industry-leading warranty.

Fall Savings! Take $500 Off a Full Roof Replacement!

We’re welcoming cooler weather with a limited-time sale. Contact us to claim your $500 in roof savings today!

Make a Referral and Receive $200!

We greatly appreciate your referral and will give you a bonus for referring a friend or family member who chooses us for their remodeling project.


Our Reputation Speaks for Itself

10 Years in the Window Business

We first opened our doors in 2012, which means we have about 10 years of experience under our belt dealing with projects of all shapes and sizes.

Free Consultations

With our team on your side, you can enjoy a free consultation and get an accurate project estimate before any remodeling begins.

Professional Window Installers

As BBB-accredited, OSHA-certified, and HAAG-certified window installers, we know what it takes to make your window installation a breeze.