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Basement Window Replacement in Frankfort, IL 60423

BUILT FOR THE COLD

DESIGNED FOR WARMTH

Upgrade your Frankfort basement with custom-fit replacement windows that improve natural light, help reduce drafts and moisture issues, and give your home a cleaner, more finished appearance.

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5-Star Google Rated

Licensed 

& Insured

Lifetime

Warranty

Modern finished basement in Frankfort, IL featuring large energy-efficient replacement windows, upgraded natural lighting, and a clean custom basement remodeling design.

WHY CHOOSE US

HOW WE CAN HELP

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40+ YEARS EXPERIENCE

Serving Chicagoland with expert basement window and glass block solutions for over 40 years.

5-STAR REVIEWED

Consistently rated 5 star reviewed window installation services and expert glass block solutions by Legacy Glass Block.

Chicagoland homeowners trust us for quality craftsmanship, reliable installation, and 5-star service.

LIFETIME WARRANTY

Lifetime warranty coverage on premium window installation and glass block services provided by Legacy Glass Block.

Backed by dependable lifetime warranty options for long-term peace of mind.

TRUSTED EXPERTS

Trusted expert window installation and glass block services provided by the professionals at Legacy Glass Block.

Local homeowners trust Legacy Glass Block & Window Co. for dependable service, expert installation, and lasting quality.

WHAT OUR CUSTOMERS SAY
HOW IT WORKS

REQUEST QUOTE

Tell us about your project and get a free consultation.

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WE MEASURE

We'll measure and help you choose the best options.

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YOUR INSTALLATION

We can usually install our projects in 1 day.

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CLEAN UP

We clean up and double check our work.

REQUEST A FREE QUOTE
FLEXIBLE FINANCING OPTIONS
Get your new window today.  Zero money down and 0% financing
Zero money down and 0% financing available for window, door, and siding installation — Legacy Glass Block & Window Co.

SEE THE DIFFERENCE  

TRANSFORM YOUR HOME INSIDE AND OUT

Outdated basement windows can reduce your home’s comfort, energy efficiency, and overall appearance. Our professionally installed replacement windows give Frankfort homeowners a cleaner look, improved insulation, and long-lasting performance you can notice immediately.

Old drafty basement windows before replacement in a finished Frankfort, IL basement showing moisture buildup, aging wood frames, and outdated single-pane glass windows.
BEFORE
New energy-efficient basement replacement windows installed in a finished Frankfort, IL basement featuring updated wood-look frames, improved natural light, and a clean modern appearance.
AFTER

READY TO UPGRADE YOUR WINDOWS?

Frankfort homeowners know how important it is to keep basements protected from drafts, moisture, and outdated steel windows that can reduce comfort and energy efficiency. Many homes throughout Frankfort, including neighborhoods near Downtown Frankfort, Prestwick, Heritage Knolls, and areas surrounding La Grange Road and Lincoln Highway, still have older basement windows that may allow water intrusion, air leaks, and poor insulation. At Legacy Glass Block & Window Co., we provide professional basement window replacement services designed specifically for the needs of Chicagoland homes. Our replacement windows are built for durability, improved ventilation, and long-term performance while helping give your basement a cleaner, more finished appearance. Whether you are upgrading old hopper windows, improving basement security, or replacing damaged frames, our team proudly serves homeowners throughout Frankfort, IL 60423 and nearby communities with expert craftsmanship and reliable installation.

Historic Frankfort welcome sign in Frankfort, IL surrounded by landscaping and greenery representing the local community served by Legacy Glass Block & Window Co.
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