Window Depot USA of St. Louis
Replacement Windows & Doors, Backed by Local Care
Special savings available for Valued Citizens (Seniors, Military, & First Responders).
CELEBRATE AMERICA’S 250TH
$250 Off Windows & Doors
Get Your No-Obligation Estimate
*Purchase 4 or more windows or an entry door.
St. Louis’s Best Value in Replacement Windows, Entry Doors, and Sliding Patio Doors
We understand that new windows, doors, sliding patio doors are more than just functional components of your house; they are an investment in the future comfort, value, and efficiency of your home. That’s why we will work closely with you to understand your specific needs, style preferences, and budget constraints.
Right away you will notice our wide range of window options to cater to every taste and budget, from classic wooden windows to low-maintenance vinyl windows to energy-efficient triple-pane glass windows and even composite windows! We partner with the top U.S.-based window manufacturers known for innovation and durability, so you can be sure your new windows will last for years to come.
Products we Offer
Do you want beautiful windows, exterior doors, and sliding patio doors that will make your home the envy of the neighborhood? If your answer is YES, then Window Depot USA of St. Louis is the company you MUST call.
WD of St. Louis offers many different types of replacement windows, entry doors, and sliding glass doors.
Our windows deliver increased energy efficiency, and condensation resistances with our Triple Pane Windows that help you with long-term savings. That’s good for your family and your wallet!
Luxury meets affordability with our beautiful Bay replacement windows. Installing a Bay or Bow window in your home adds timeless elegance, as well as boosting curb appeal.
Our Casement Windows also feature a superior bulb-style seal for airtight performance, and it all comes together with an aesthetically-pleasing beveled sash design.
Upgrade your home with energy-efficient Vinyl Double Hung Replacement Windows. These windows are not only visually appealing but also a smart investment for saving on energy costs.
Transform your home with Vinyl Replacement Garden Windows, a perfect fusion of charm and utility. These windows not only add an elegant touch to your living space but also offer energy efficiency.
Designed to allow maximum ventilation, Hopper Windows are popular for smaller spaces like bathrooms and basements. Awning Windows allow fresh air to flow in even in light rain.
Enhance your home’s appeal and functionality with Vinyl Replacement Slider Windows. These windows not only provide a sleek, modern look but also boost energy efficiency.
Transform your living space with Vinyl Replacement Picture Windows, the pinnacle of both sophistication and energy efficiency.
Composite windows blend the elegant appearance of a true wood window with the maintenance freedom of vinyl, the strength of metal, cutting edge energy saving and operational features into a beautiful and durable window system.
Triple Pane glazing technology incorporates a third pane of glass, which creates multiple insulating gas chambers and additional surfaces for reflective Low E coatings.
Our windows deliver increased energy efficiency, and condensation resistances with our Triple Pane Windows that help you with long-term savings. That’s good for your family and your wallet!
Luxury meets affordability with our beautiful Bay replacement windows. Installing a Bay or Bow window in your home adds timeless elegance, as well as boosting curb appeal.
Our Casement Windows also feature a superior bulb-style seal for airtight performance, and it all comes together with an aesthetically-pleasing beveled sash design.
Upgrade your home with energy-efficient Vinyl Double Hung Replacement Windows. These windows are not only visually appealing but also a smart investment for saving on energy costs.
Transform your home with Vinyl Replacement Garden Windows, a perfect fusion of charm and utility. These windows not only add an elegant touch to your living space but also offer energy efficiency.
Designed to allow maximum ventilation, Hopper Windows are popular for smaller spaces like bathrooms and basements. Awning Windows allow fresh air to flow in even in light rain.
Enhance your home’s appeal and functionality with Vinyl Replacement Slider Windows. These windows not only provide a sleek, modern look but also boost energy efficiency.
Transform your living space with Vinyl Replacement Picture Windows, the pinnacle of both sophistication and energy efficiency.
Composite windows blend the elegant appearance of a true wood window with the maintenance freedom of vinyl, the strength of metal, cutting edge energy saving and operational features into a beautiful and durable window system.
Triple Pane glazing technology incorporates a third pane of glass, which creates multiple insulating gas chambers and additional surfaces for reflective Low E coatings.
When you’re home, nothing says welcome more than a beautiful entry door. Let our local team of experts help you select from a variety of colors, options, and styles to suit your personal tastes. We keep unwanted sounds and the elements out while remaining thermally-efficient and helping your home maintain a comfortable temperature. When you think of us, think safe and sound.
Sliding patio doors provide a seamless bridge between your indoor sanctuary and the natural outdoors while enhancing the aesthetic appeal of your home.
Whether you’re embarking on a new construction project or looking to refurbish your space, our styles and energy efficiency will ensure your sliding patio doors are as stunning as they are sustainable.
When you’re home, nothing says welcome more than a beautiful entry door. Let our local team of experts help you select from a variety of colors, options, and styles to suit your personal tastes. We keep unwanted sounds and the elements out while remaining thermally-efficient and helping your home maintain a comfortable temperature. When you think of us, think safe and sound.
Sliding patio doors provide a seamless bridge between your indoor sanctuary and the natural outdoors while enhancing the aesthetic appeal of your home.
Whether you’re embarking on a new construction project or looking to refurbish your space, our styles and energy efficiency will ensure your sliding patio doors are as stunning as they are sustainable.
Windows for Warriors
Giving back to those who serve our communities.
Windows for Warriors is Window Depot USA of St. Louis’ way of honoring local military members, veterans, and first responders. The program helps eligible homeowners in need receive replacement windows for their homes.
Whether you’re a warrior yourself or know someone deserving, learn more about the program and submit a nomination today.
No Company Can Provide You With More Features at a Better Price
Triple Pane Windows at Dual Pane Window Prices
Our advanced triple pane windows offer superior energy efficiency, sound control, and condensation resistance. And, with Window Depot USA’s national buying power, we can offer you triple pane for the same or lower cost as many of our competitors would charge for double pane. Our Signature Series triple pane windows were awarded “ENERGY STAR Most Efficient,” which is the Best Energy Star efficiency rating for maximum energy savings!
Our advanced triple pane windows offer superior energy efficiency, sound control, and condensation resistance
Composite Windows
Where the beauty of wood meets the durability of vinyl.
Nothing defines a home like the elegance and warmth of wood windows, but the maintenance problems and expenses associated with wood are simply overwhelming.
CompositWood material combines the beauty of wood with superior, rot-proof durability and no-maintenance attributes of vinyl. It’s a superior insulator compared to fiberglass, wood or aluminum. Combine this advanced material with the highest performing glazing, and you get greater energy savings, comfort, and durability over the long run.
One Day Baths
Save $2,500 on Your New Bath
Get the bathroom you’ve been dreaming of, without weeks of disruption. Our 1-Day Bath remodeling solutions make it easy to transform your space with a beautiful, professionally installed upgrade in as little as one day.
HAPPY CUSTOMERS? What does THAT mean?
At Window Depot USA of St. Louis, we make replacement window shopping easy and believe in treating people the way we’d want to be treated. believe in treating people the way we’d want to be treated. Our years of service have taught us that making our customers happy means giving them the best EXPERIENCE possible and providing the very best VALUE for their hard-earned investment.
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
Why Choose Window Depot USA of St. Louis?
National Strength. Local Service. Our partnership with one of the nation’s largest home improvement networks provides us with significant buying power, allowing us to pass along tremendous savings to our customers without sacrificing quality. We back it up with the service and craftsmanship of a trusted, locally owned and operated business.
Our Products
You deserve the very highest quality product at a reasonable price and that’s exactly what we provide. At Window Depot USA of St. Louis, you can expect elegant design options, Industry-leading energy efficiency, and products that are warranted for a lifetime.
Our People
At Window Depot USA of St. Louis, our hearts go into every home. We’re a family of craftspeople, and our pride flourishes with each beautiful transformation we create. We cherish the opportunity to be part of your legacy, bringing light and joy to your home for generations to come. Discover the Window Depot difference.
Our Process
Windows are more than just glass – they’re the frame for your family’s memories. That’s why, unlike most companies, we talk about the process and take pride in every step, including installation. Our installers aren’t just putting in windows; they’re bringing your vision to life with expertise you can trust. See the Window Depot difference and experience craftsmanship that lasts.
At Window Depot USA of St. Louis, We Make Replacement Window Shopping Easy!
Instead of one brand or product line of replacement windows, Window Depot USA of St. Louis and their local, expert staff provide the best options from the top US based manufacturers. This allows them to offer you the style you want at the price you need – including vinyl and composite.
You will be able to choose what’s best for your home to add value, enhance the curb appeal, save on energy bills, and brighten drab inside spaces! Whether you are looking for economy, premium, or anything in between, Window Depot USA of St. Louis can help.
We provide the strength and lower price of a large national network; the personal service and honest advice of a trusted, local company; and the best overall experience that you deserve!
Fair Pricing Pledge
We guarantee that the price you pay for your project is the lowest price available for like-quality products, workmanship, installation methods, and contractor reliability. If you receive a lower quote for comparable products and services within 30 days of purchase, we will refund the difference, plus $100. Restrictions apply. Ask our representative for details.
Stress-Free Consultations
Our consultations begin with questions to better understand your needs and objectives. Then we educate you on the various products and services available that will meet your needs. We help you select the most appropriate product(s) for your home and budget. Because the last thing you need is high-pressure sales tactics, gimmicks, or intimidation.
Professional Installation
We are proud to employ dedicated installers whose main focus is quality, not quantity. Our installation crew leaders are certified by the American Window and Door Institute (AWDI). The work we perform on your home will include care, patience, and expertise to ensure that it looks beautiful and feels comfortable for years to come.
Inspiration Gallery
Contact Us Today
Monday-Friday: 8:00 am - 4:00 pm
Saturday-Sunday: By Appointment