Authentic Window Design - Marvin Windows & Doors Supplier, Westchester County, NY
Marvin Windows


Marvin aluminum clad, wood, fiberglass, and replacement windows. 
-More Custom Windows

Marvin Patio & French Doors, etc.


Marvin patio and French doors, plus other fine wood and fiberglass entry doors. -More Custom Doors

Specialty Hardware, Other Products

Other Fine Products

Select home products including molding, skylights, and decorative hardware. -Other Home Products


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Marvin Window and Door Specialists
Authentic Window Design | Elmsford, NY

Discover Authentic Window Design, located in Elmsford in Westchester County NY- the recognized Marvin Window and Door authority for the New York, New Jersey, and Connecticut Tristate area. As a Marvin Design Gallery, you’ll enjoy an extraordinary shopping experience. We sell, design, and install Marvin custom windows and custom doors, and other fine home products, backed by our Lifetime Window & Door Installation Warranty. Our business was built on word of mouth, due to our decades of high quality, impressive and long lasting results. We’ve specialized to offer only the finest products installed by highly trained, veteran experts. You benefit from the quality, expertise, and intensive level of personal attention. Call us or visit today to discuss your project with our friendly, knowledgeable consultants. Homeowners, architects, builders, and remodelers welcome.

Window & Door Customers' Testimonials

  • Marvin Window & Door Products
  • Integrity Windows & Doors
  • Infinity Window & Door Supplier
  • Atlantic Window Products
  • Baldwin Window & Door Hardware
  • Jenwen Door Products
  • Proof Custom Windows
  • Provia Storm Doors
  • Shutter Window Products
  • Sundor Custom Doors
  • Upstate Interior & Exterior Doors
  • Custom Designed Specialty Hardware
  • Velux Roof Windows & Skylights

85 Executive Boulevard (view map)
Elmsford, NY 10523

Phone: 866-581-3695

Email: Contact Us


Monday - Friday: 8:30am - 5:00pm
Saturday & Sunday: Closed
Showroom is available evenings and Saturdays by appointment only
To celebrate Thanksgiving with our families, we will be closed November 26, 27, 28 and 29.

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