Cosmo Window & Door of Long Island is proud to provide services to the New York Tri-State region.

Located At:
99 W. Hoffman Ave
Lindenhurst, NY 11757

Phone : (631) 944-3400
Fax : (631) 412-7076


7:00am to 5:00pm, Monday to Friday

We Would Love To Hear From You

We offer a specialized blend of products and features and present individualized advice and solutions.  Please provide us with more information on how Cosmo Window & Door may assist you.

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