Westchester Window

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51 Kensico Rd

Thornwood, NY 10594

+1 (914) 310-4421

http://www.westchesterwindow.com

Westchester Window, established in 1960, is a renowned window and door installation company in Thornwood, NY. With a strong commitment to customer satisfaction, they employ skilled craftsmen to ensure the best possible look and performance for every installation. Specializing in vinyl casement windows, their energy-efficient products have received high praise from satisfied customers.

Known for their professionalism and attention to detail, Westchester Window also offers repair services for glass, hardware, and screens. With over 40 years of experience in the industry, the company is led by Anthony Mongelli Jr., who is dedicated to assisting homeowners in making the right decisions for their homes. Their exceptional workmanship and easy-to-work-with management have earned them a solid reputation in the community.

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Reviews

4.58 reviews

Megan L.

9/11/2025

If you're looking for someone who actually cares about the quality of their work and treats you fairly, Tony at Westchester Window is your guy. From start to finish, working with Tony was an...

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Christopher F.

11/26/2021

Tony was excellent to work with! Even with the current supply chain issues he had my windows installed as promised:) Also, he was so so reassuring that these replacement windows would go in...

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Carrie F.

7/14/2020

Westchester Window is THE BEST! Service is prompt, they follow up quickly, prices are excellent and they are the nicest friendliest company I have ever hired. Definitely do not consider anyone...

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Bill W.

6/3/2019

The owner Tony is an incompetent con artist. He and his crew did not know what they were doing and he knowingly installed cheaper windows than what we paid for. On top of that, he installed the...

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James B.

9/14/2020

After a quick Google search, I gave Tony a call to see if he could come over to assess and replace my windows. He showed up the same day and showed me how fix them myself. Then without me asking...

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