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Exterior Services in Will, Cook & DuPage Counties

Legacy Glass Block & Window Co. has served homeowners across Will, Cook, and DuPage counties since 1986.

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Glass block, replacement windows, siding, and doors — installed by our own crews and backed by a lifetime warranty for as long as you own your home.

What we Install

Glass Block Windows​​​​ →

Window Replacement​​​​ →

Door Installation →​​

Siding Replacement →​

A Legacy Glass Block & Window Co. specialist providing an in-home exterior improvement consultation for homeowners within our Chicagoland service areas.

Cook County

Bungalows and postwar ranches through the newer subdivisions further south. Glass block, replacement windows, siding, and doors.

  • Alsip

  • Berwyn

  • Chicago Heights

  • Cicero

  • Crestwood

  • Elmwood Park

  • Evergreen Park

  • Flossmoor

  • Hazel Crest

  • Hillside

  • Homewood

  • ​Tinley Park

  • Western Springs

  • ​Lemont

  • Matteson

  • Melrose Park

  • Midlothian

  • North Riverside

  • Oak Forest

  • Oak Lawn

  • Oak Park

  • Olympia Fields

  • Orland Hills

  • Orland Park

  • Park Forest

  • River Forest

  • Riverdale

  • Worth

Will County

From older Mokena foundations to newer Frankfort developments, we provide durable exterior upgrades designed for Will County’s diverse residential architecture.

DuPage County

Mostly 1970s-and-later subdivisions where builder-grade windows and siding are reaching the end of their run.

  • Burr Ridge

  • Clarendon Hills

  • Darien

  • Downers Grove

  • Lisle

  • Naperville

  • Willowbrook

  • Woodridge

Why Homeowners Choose Legacy

  • 40+ YEARS IN BUSINESS

Installing across Will, Cook and DuPage County since 1986.

  • 5-STAR GOOGLE RATING

Homeowners consistently rate our exterior work five stars.

  • LIFETIME WARRANTY

Every window and door we install is backed for as long as you own the home.

  • NO SUBCONTRACTORS

Our own crews handle every install, start to finish.

Customer Reviews

Our Installation Process

Hear from homeowners who chose Legacy for their exterior services.

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See our reviews →

  • REQUEST A QUOTE

We walk the house, measure the wall area, and give you a written range.

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  • ON-SITE MEASUREMENTS​

Wall area, openings, and trim all get measured. That's what drives the number.

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  • INSTALLATION

Old siding comes off, the sheathing gets checked, new panels go on. Our own crews.

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  • FINAL WALKTHROUGH

We haul the debris away and walk the job with you before we leave.

Get a Free Quote

We'll walk the house, measure every elevation, and give you a written range. No pressure, no obligation.

708-247-2044

Or send us the details and we will get back to you.

Easy Financing for Exterior Upgrades

  • Affordable Payments

  • Zero Money Down​

  • No-Interest Financing Available

Promotional graphic advertising Zero Money Down and 0% Financing for glass block installation and home exterior window replacement projects by Legacy Glass Block & Window Co. in the Chicagoland area.
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