The best selection of doors for your next project.

Mountain States sells doors from the top brands that combine the latest architectural styles with modern advances in energy-efficient technology. Choose from patio doors, interior doors and entrance doors.

We proudly sell these fine manufacturers:

Andersen Patio Doors

Andersen has doors to accent any room in your home. Andersen offers hinged, gliding and folding doors to a wide selection of styles and colors.

Arcadia Doors

Arcadia sliding and swinging patio doors are versatile with a clean, contemporary appearance, and are available in a variety of styles. They can be customized to enhance the way you frame your outdoor space.

Cascade Patio Doors

Cascade patio doors offer panoramic doors and stylish, functional sliding glass doors that operate smoothly and benefit from energy saving features. They offer standard patio doors, wide rail patio doors and folding door systems.

LaCantina Doors

LaCantina is a pioneer in the design and manufacture of large opening door systems. They offer folding, sliding and swinging doors to complement any room. LaCantina Doors systems are not only visually appealing but they are built to perform, even in the most severe climates and regions.

Loewen Patio Doors

Loewen makes doors that are not only attractive, but also cutting edge in their functionality. Their products offer performance, to keep homes comfortable and energy efficient, and strength to protect against the worst that nature can deliver.

Milgard Patio Doors

Milgard’s patio doors operate easily and provide years of trouble-free use. They offer a wide selection of patio doors in vinyl, fiberglass and aluminum. All Milgard patio doors are custom made and come with their industry-leading Full Lifetime Warranty including parts and labor.

Plastpro Entry Doors

Plastpro offers fiberglass and steel entry door systems to enhance the entryway of any home or building. Their Fiberglass Entry Doors combine the beauty and elegance of wood with the strength and durability of steel. PlastPro Steel Entry Doors provide a low maintenance affordable alternative to traditional wood entryways.

Simpson Doors

Since 1912, Simpson has provided high quality interior and exterior wood doors. Choose from their large selection of doors to match almost any architectural style. Simpson has over twenty high quality wood species to choose from, each with its own distinctive character. Custom wood species are also available.

Therma-Tru Doors

Every Therma-Tru door comes with a performance package that is unrivaled in the industry. Their doors increase comfort, are energy efficient, and boost curb appeal. Therma-Tru offers fiberglass and steel entry doors as well as patio doors.

Weather Shield Patio Doors

Weather Shield offers patio doors for any homeowner. Their patio doors are an effective way to change the look of any room while receiving the benefits of natural lighting and energy efficiency. Weather Shield doors are available in a variety of collections to meet your style and budget.

Western Window Systems Doors

Western Window Systems offers door styles, configurations, and performance features to update any living space. Western Window Systems Series 9500 Bi-Fold Door has been selected as a finalist in the Architizer A+ Awards, a global architectural award program with 90+ categories and over 300 jurors.

WinDor Doors

WinDor is an American manufacturer and supplier of high quality vinyl replacement windows and doors. Our product offerings range from standard-sized windows and doors to custom made products measured and built to exact specifications. We strive to produce the highest quality products available at affordable prices - built to last with an emphasis on reduced-maintenance, maximized energy efficiency and optimum sound reduction.