Service Areas
Window Replacement Across All of Long Island
Window Company Long Island provides expert window replacement and installation services across 26 communities in Nassau and Suffolk counties. From waterfront cottages in Babylon to postwar Capes in Levittown, we know Long Island homes inside and out.
Two Counties, One Trusted Team
Choose Your County
We maintain full licensing in both Nassau and Suffolk counties and handle all local permits and inspections for every project.
Nassau County
Nassau County sits directly east of New York City and contains some of Long Island's most established residential communities. The housing stock ranges from postwar Cape Cods and ranches in Levittown ...
Suffolk County
Suffolk County stretches across the eastern two-thirds of Long Island, offering everything from dense suburban neighborhoods in Babylon and Islip to more spacious properties in Smithtown and Commack. ...
Our Coverage
Serving Long Island from Shore to Shore
Based in Hicksville, our four installation crews fan out across Long Island daily, covering communities from Valley Stream on the western Nassau border to Patchogue in eastern Suffolk. We carry Home Improvement Contractor licenses in both counties — Nassau HIC #H2203150000 and Suffolk HIC #55847-H — so your project is fully permitted and code-compliant no matter where you live.
Most estimates are completed same-day, and our average installation takes just 1-2 days for a typical home. We service within a 55-mile radius of our Hicksville headquarters, covering every community listed below.
Quick Stats
Complete Town Directory
Every Community We Serve
What We Install
Our Window Services Across Long Island
Every service is available in every town we serve. Click below to learn more about each window type and installation option.
Free Estimate
Need Windows Replaced in Your Town?
Get a free estimate from Long Island's most trusted window replacement team. We serve every community listed above with same-day estimates and expert installation.
Call (631) 565-8126Homes Completed
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Years Experience