Front Entry Doors and Patio Doors in St. Louis, MO.

Modern home exterior with covered porch entry, black front door with sidelights, wooden beams and steps, pendant and sconce lighting, white horizontal siding, and black-framed windows flanking the entrance

CELEBRATE AMERICA’S 250TH

$250 Off Windows & Doors

Get Your No-Obligation Estimate

*Purchase 4 or more windows or an entry door.

Black front door with fanlight window and sidelights in white trim, flanked by tan brick walls, with metal sconce light fixture and landscaping

Discover a revolution in home improvement with Window Depot USA of St. Louis, including an extensive line of high-quality front entry doors and patio doors.

Elevate your home’s aesthetics and functionality with our exceptional range of exterior entry doors and sliding patio doors. Additionally, we extend our expertise to exterior entry doors and sliding patio doors ensuring a comprehensive solution for your home renovation needs.

Free Estimate

Cherry wood entry door with arched window, decorative raised panels, and brass hardware

Fiberglass and Steel Entry Doors

Your entry door makes one of the biggest impacts on the outside of your home. Set the tone of your home with a beautiful entry door from Window Depot USA. Our entry doors are professionally crafted and come in a variety of colors and styles to suit your personal tastes.

Learn More

White sliding glass patio door with 15-pane grid pattern on each panel and silver handle

Sliding Patio Doors

Patio Doors from Window Depot USA are custom-made to fit the exact dimensions of your doorway. Our patio doors are extremely secure, due to the inclusion of three separate locking points: a keyed lockset, a thumb-turn deadbolt, and a kick-lock.

Learn More

No Company Can Provide You With More Features at a Better Price

Get a FREE Estimate Today!

See What Our Happy Customers are Saying

“Great experience with Window Depot! 22 windows installed with expertise, and the ProVia windows are top quality. AC and heat runs maybe less than half compared to the failed windows that were 26 year old builder grade. Customer service was very professional, including one broken glass on delivery which they ordered immediately and replaced the sash in 2 weeks.”

Mark M.

May 7, 2026

“I had a great experience with window depot stl from start to finish. Joey initially came out and took the time to go over all the details with me.He was knowledgeable thorough and fantastic to work with. When it came time for installation Ryan and his crew did an amazing job. They were professional, efficient, and the quality of their work really shows. The entire process has been smooth and I couldn't be happier with the results. I highly recommend Windows depot to anyone looking for quality windows and excellent service. Thanks again”

Amy L.

May 6, 2026

“If I could give them 10 stars I would! From the first conversation with Joey, then to Ryan and his crew was absolutely top notch! The attention to detail, the care and respect for your home is second to none. When they came today to install windows in my home they laid down floor covers to protect our hardwood floors....how thoughtful! Extremely respectful of our home. Amazing job! Definitely recommend you to all my friends”

Rod

May 5, 2026