Mokena's Trusted Window & Glass Block Company
As a family-owned window company in Mokena, Legacy Glass Block & Window Co. has served Chicagoland homeowners since 1986. Whether you need a licensed window contractor for a full replacement or a trusted glass block company for basement and bathroom windows, our team delivers quality work backed by a lifetime warranty and zero money down.
Vinyl Window & Glass Block Experts
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Family-Owned and Operated
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5-Star Reviewed
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40+ Years of Experience
Complete Exterior Solutions
From glass block to full exterior makeovers, our family-owned crews handle every part of your home's exterior in-house — so the quality stays consistent from measurement to final cleanup.
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Glass Block Window Installation:
Secure, energy-efficient basement and bathroom windows that never need maintenance.
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Energy-Efficient Window Replacement:
Custom vinyl replacement windows that cut drafts and lower energy bills.
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Premium Vinyl Siding:
Completely update your home's exterior image with zero-maintenance vinyl siding.
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Exterior Door Replacement:
Boost curb appeal and security with a new entry or patio door.
Our Promise of Quality and Reliability
Every window, siding, and glass block product we install is chosen to stand up to the region's harsh winters and humid summers — protecting your home and lowering your energy bills year-round.
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Preferred Company for Local Homeowners
We are the preferred company for local homeowners.
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Security-First Solutions
Our glass block solutions provide a high-security, no-maintenance barrier for your basement.
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Excellent Energy-Efficiency
Our window and siding products are selected for their thermal performance ratings.
We serve homeowners across Will, Cook, and DuPage counties, including Mokena, Frankfort, Joliet, New Lenox, and Orland Park.
Why Homeowners Choose Legacy Glass Block & Window Co
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40+ YEARS EXPERIENCE
Serving Chicagoland for over 40 years.
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5-STAR REVIEWED
Backed by top-tier ratings from local homeowners.
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LIFETIME WARRANTY
Your project is fully protected by a lifetime guarantee.
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TRUSTED EXPERTS
Homeowners trust Legacy Glass Block & Window Co. as the local experts.
READ WHAT OUR CUSTOMERS SAY ABOUT US
HOW OUR PROCESS WORKS
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REQUEST A QUOTE
Tell us about your project and get a free consultation.
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ON-SITE MEASUREMENTS
We'll measure and help you choose the best options.
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1-DAY INSTALLATION
We successfully install our projects in 1-day.
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FINAL CLEAN UP
We clean up and double check our work.
REQUEST A FREE ESTIMATE
FLEXIBLE HOME IMPROVEMENT FINANCING
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Affordable Payments
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Zero Money Down
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0% Financing
Get tips on windows, glass block, and siding on our home improvement blog →
READY TO UPGRADE YOUR EXTERIOR?