Our Mission & Values
CELEBRATE AMERICA’S 250TH
$250 Off Windows & Doors
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*Purchase 4 or more windows or an entry door.
We Create Happy Customers
Window Depot USA of St. Louis
It is the promise behind everything we do. From your first conversation with us to the final walk-through, our mission, our values, and our process are all built to create one thing: a happy customer.
We Are WDSTL
Willing
Willing to learn, ambitious, moldable, and wants to be part of something bigger.
Dependable
Straightforward, hard-working, and resilient, with honesty and integrity.
Service Oriented
Generous, selfless, and genuinely helpful.
Trustworthy
We do what we say. Committed and accountable
Likeable
Genuine, humble, and nice people to work with.
Three Things That Set Us Apart
5-Star Blue Carpet Experience
Clear communication at every step. We seek to understand you, and we treat you and your home with care from start to finish.
Triple-Pane Products
Premium energy efficiency and warranty protection, offered at double-pane pricing.
Upfront Pricing
No gimmicks, no tricks, no games. Honest pricing with flexible payment options available.
The 5-Star Blue Carpet Treatment
In-Home Consultation
We listen first and walk you through your options with no pressure.
Measure
Precise measurements so everything fits perfectly and performs as promised.
Install
Our trained crews complete your installation with care and craftsmanship.
Final Inspection and Walk-Through
We review every detail with you to confirm the work meets our standards and yours.
5-Star Reviews
When the job is done right, happy customers share their experience.
Our Installation Process
From pickup to 100% satisfaction, the same way every time
1. Pick Up Windows
2. Greet Customer
3. Check All Measurements
4. Place Floor Protection
5. Remove Old Window
6. Clean & Vacuum Rough Opening
7. Install New Window
8. Clean and Vacuum Area
9. Inspect and Clean Each Window
10. Repeat for Additional Windows
11. Phone Follow-Up
12. Leave Once Customer is 100% Satisfied
Our Guarantee: A 5-Star Experience
We stand behind every project with the same five-star experience that has earned the trust of homeowners across the St. Louis metro. Call us at (636)-939-4800 and find out what a happy customer looks like.
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.
MO
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.
MO
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
MO
May 5, 2026
St. Louis’s Best Value in Replacement Windows, Entry Doors, and Sliding Patio Doors
When it comes to increasing energy efficiency, improving curb appeal, comfort, and noise levels of your home, there’s no better investment than replacement windows from Window Depot USA. But with so many different window replacement companies to choose from, how can you be sure you’re getting the best possible service?
Window Depot USA of St. Louis understands that windows and doors are more than just functional components of your home; they’re part of your connection with your neighborhood.
Contact Us Today
Monday-Friday: 8:00 am - 4:00 pm
Saturday-Sunday: By Appointment