Windows Contractor in
Des Peres
Drafty or outdated windows? We install durable, low-maintenance fiberglass window replacements that boost comfort, curb appeal, & efficiency in Des Peres, MO.
Contact Us Today
Experience the unparalleled excellence of Infinity from Marvin Windows
Enduring Quality
Unmatched Reliability
Homeowner Satisfaction
Strengthen and Beautify Your Home with Infinity from Marvin Windows
When your home’s windows are drafty, outdated, or failing, it’s more than just a comfort issue, it impacts your energy bills, your peace of mind, and the beauty of your living space.
At Replacement Windows by Lakeside, we help Des Peres homeowners bring new life to their homes through stunning, low-maintenance windows that are built to last. With thoughtful guidance, expert window installation, and genuine care every step of the way, we make the process easy and rewarding, from your first consultation to the final walkthrough.
Premium Fiberglass Windows for Your Home
From traditional Colonials and brick Ranch homes to Craftsman bungalows and Tudors, Des Peres has a wide range of home styles. As the exclusive contractor for Infinity from Marvin windows in the St. Louis area, we install top-tier fiberglass replacement windows designed to perform beautifully in Missouri’s climate and match a wide range of home styles.
With Infinity form Marvin windows, you get:
- Exceptional durability that resists warping, rotting, and expanding
- Sleek, low-profile frames that maximize natural light
- Custom sizing, shapes, and styles for a perfect architectural fit
- Long-term performance backed by manufacturer and workmanship warranties
Double-Hung Windows
Versatile and functional, double hung windows feature two operable sashes that tilt in for easy cleaning and customizable ventilation.
Casement Windows
Hinged at the side, casement windows swing open like a door to provide excellent ventilation and unobstructed views.
Picture Windows
Picture windows are large, fixed-pane windows designed to maximize views and natural light. Since they don’t open, they provide superior insulation and are among the most energy-efficient options available.
Infinity from Marvin Doors
While our focus is on windows, we also install premium ProVia and Infinity from Marvin doors for homeowners seeking a cohesive exterior refresh.
Window & Door Projects Completed Throughout the Greater St. Louis Area
Infinity Window Installation That Refreshed a Two-Story Home in Chesterfield, MO
Creating Space and Style with a New Sliding Door in Wildwood, MO
Elevating Curb Appeal with New Windows & Doors in Weldon Spring, MO
Window & Door Makeover Brought New Life to This Wentzville Farmhouse
Stunning Window Replacement for a Home in Lake Saint Louis, MO
Revamping a St. Louis Home with Custom Window Installation
Why Homeowners Choose Replacement Windows by Lakeside
We know you’re not just investing in windows. You’re investing in your home, your comfort, and your long-term peace of mind. That’s why we take a different approach. At every step, our contractors bring experience, honesty, and care to ensure the process works around your life.
- A Thoughtful, Pressure-Free Sales Process: We listen first. Our consultations are educational, transparent, and tailored to your goals and budget. No pushy sales games.
- Installation by Trusted In-House Crews: Our skilled team handles everything, with careful prep, clean job sites, and extra protection for your landscaping and interiors.
- Project Transparency at Your Fingertips: Track your project progress, updates, and photos anytime through our homeowner portal.
- Certified Expertise & Long-Term Assurance: As a Gold Partner of Infinity from Marvin, we meet the highest standards of quality, precision, and service, and back it all with a lifetime workmanship warranty.
- Flexible Financing Options: Enjoy peace of mind now, and pay over time with low monthly payments designed to fit your budget.
Our Simple 3- Step Process:
Personalized Consultation
Begin with a stress-free consultation where we listen to your vision and needs, guiding you to the perfect window solutions tailored just for your home.
Precision Installation
Our expert team carries out your window installation with meticulous attention to detail, ensuring a seamless process while keeping you updated every step of the way.
Delight in Your Home’s Transformation
Revel in the beauty and enhanced efficiency of your new windows, knowing you’ve chosen the best products and service for your home.
See the Difference in Every Detail
As a second-generation, family-owned company, we’ve built our reputation in the St. Louis area by truly listening, showing up when we say we will, and treating every home with the kind of care we’d expect for our own.
If you’re in Des Peres, or anywhere in the greater St. Louis area, and looking for a team that puts your needs first, offers honest guidance, and follows through with precision and pride, come to Replacement Windows by Lakeside.
Special Offer
12 Months, No Interest/No Payments*
No interest until Fall of 2027!*
Don’t make a payment until Fall of 2027*
Executed contract date range: 9/1/26 – 9/30/26
