Replacement Patio Doors for New York and New Jersey Homes

A patio door is where your home meets the outdoors — the sightline to your yard, the flow of natural light, the transition between indoor comfort and outdoor living. When it’s time to replace one, it’s worth treating as a design decision, not just a functional swap.

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Serving Westchester, Northern New Jersey and Long Island homeowners since 1996

Formerly Windows & Doors Inc.

Precision-Installed, Designed to Open Up Your Space

Authentic Window Design installs replacement patio door systems built to glide smoothly, seal tightly against New York and New Jersey’s seasonal extremes, and hold up to years of daily use.

Beyond performance, we help you think through how a new patio door changes the room, wider glass panels, cleaner sightlines, and better light throughout the space it serves.

Schedule Your Expert Patio Door Consultation

If you’re ready to upgrade your home with a professional patio door installation service in Westchester County, Long Island and Northern NJ, Authentic Window Design is here to guide you.

Contact us today to schedule your free in-home consultation and explore premium patio door solutions tailored for your home.

Schedule Your Design Consultation.

Sliding Patio Doors

Effortless Glide, Uninterrupted Views

Space-saving and unobtrusive, sliding patio doors maximize glass area without swinging into the room. Ideal for decks, patios, and spaces where floor clearance matters.

Available in two-panel and multi-panel configurations, sliding systems glide on precision tracks engineered for smooth, quiet operation year after year. They’re a natural fit for homes prioritizing wide, uninterrupted views of the backyard or outdoor living space.

Hinged & French Patio Doors

Classic Symmetry, Full-Swing Access

For a more traditional look, French and hinged patio doors open with a classic swing, offering full-width unobstructed views when open and strong architectural presence when closed.

This style suits homes where classic proportions and symmetry matter, colonials, farmhouses, and traditional New Jersey architecture in particular. Hinged operation also allows for a screen configuration, giving you full ventilation control alongside the view.

Marvin Patio Door Collections

Curated Systems, Certified Craftsmanship

As a certified Marvin dealer, we install patio doors across the Ultimate, Elevate, and Essential collections, each engineered for a different balance of material, performance, and design.

Whether your project calls for Ultimate’s wood-and-fiberglass craftsmanship, Elevate’s clean fiberglass profile, or Essential’s dependable performance, our design team helps you match the right collection to your home’s architecture and how you use the space. Every Marvin system we install carries the backing of AWD’s Lifetime Installation Warranty.

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Looking To Open Up a Larger Space?

If you’re planning a bigger transformation, a wide-open connection to an outdoor living area or a great-room expansion, explore our scenic multi-slide and bi-fold door systems, designed for larger openings and indoor-outdoor living.

Explore Scenic Doors

Marvin believes every home should be a true reflection of its owner’s vision. That’s why they go beyond just making windows and doors. Marvin crafts products with purpose, precision, and an unwavering commitment to quality. With a deep appreciation for design, performance, and durability, Marvin transforms your unique ideas into lasting realities, turning exceptional details into dream-worthy results.

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FAQ - Replacement Patio Doors

How long does patio door replacement take?

Most patio door replacements are completed in a single day, though timing can vary based on door size, configuration, and any structural adjustments needed around the opening.

Can a patio door be replaced without affecting the surrounding wall or flooring?

In most standard replacements, yes, we work within the existing opening whenever possible. If your project involves resizing the opening or changing door configuration, we'll walk you through what that means for surrounding walls and flooring during your consultation.

What's the difference between sliding and French patio doors?

Sliding doors glide horizontally and don't swing into the room, making them ideal for tighter spaces or furniture placement near the door. French and hinged doors swing open like traditional doors, offering a more classic look and a fully unobstructed opening when in use.

Do you install patio doors in Morris, Bergen, and Essex counties?

Yes. We serve homeowners throughout Morris, Bergen, Essex, Passaic, Monmouth, and Somerset counties, with a showroom in Montville for in-person consultations.

Serving Montville, Yonkers, Syosset and Surrounding Communities

Our patio door installation service proudly supports homeowners in:

Our experience spans historic renovations, custom homes, and high-end replacements, each requiring a tailored approach to maintain architectural integrity.