Expert Glass Block & Window Replacement in Chicagoland
Upgrade your home's security, curb appeal, and energy efficiency in as little as one day. We are Chicagoland's trusted exterior experts, delivering flawless installations backed by lifetime warranties for over 40 years.
5-Star Google Rated
Licensed
& Insured
Lifetime
Warranty
Why Homeowners Choose Legacy Glass Block & Window Co?
HOW WE CAN HELP
40+ YEARS EXPERIENCE
Serving Chicagoland with expert basement window and glass block solutions for over 40 years.
5-STAR REVIEWED
Chicagoland homeowners trust us for quality craftsmanship, reliable installation, and 5-star service.
LIFETIME WARRANTY
Backed by dependable lifetime warranty options for long-term peace of mind.
TRUSTED EXPERTS
Local homeowners trust Legacy Glass Block & Window Co. for dependable service, expert installation, and lasting quality.
WHAT OUR CUSTOMERS SAY ABOUT OUR WINDOW SERVICES
HOW OUR PROCESS WORKS
REQUEST A QUOTE
Tell us about your project and get a free consultation.
ON SITE MEASUREMENTS
We'll measure and help you choose the best options.
1-DAY INSTALLATION
We can usually install our projects in 1 day.
FINAL CLEAN UP
We clean up and double check our work.
REQUEST A FREE QUOTE
Premium Exterior Upgrades for Chicagoland Homes
For over 40 years, our family-owned crews have provided full-scale exterior transformations. From custom glass block solutions to weather-tight exterior windows, we deliver 1-day installations backed by lifetime warranties.
Custom Glass Block Installation
Protect your basement, bathroom, or commercial property with our heavy-duty glass block windows. Enjoy ultimate privacy, enhanced home security, and superior draft elimination installed by our specialized crews in as little as one day.
High-Performance Window Replacement
Upgrade your home’s curb appeal and energy efficiency. We install premium double-hung, casement, and custom architectural exterior windows engineered to withstand harsh Illinois winters and drastically lower your utility bills.
The Legacy Standard: Impeccable Installations & Lasting Protection
Protect your most valuable asset with our highly specialized, local installation crews. From precision-fit window replacements to heavy-duty glass block security, we deliver weather-tight exterior upgrades engineered for Midwest architecture—securing your property and leaving it spotless in a single day.
Premium Vinyl Siding
Completely revitalize your home's exterior footprint. Our durable, low-maintenance vinyl siding provides an instant aesthetic facelift while wrapping your entire home in advanced thermal protection against the elements.
Exterior Door Installation
Enhance your home's entryway security and curb appeal. We install high-quality, energy-efficient exterior and patio doors designed to provide a welcoming entrance while keeping extreme Midwest temperatures outside.
