Bellevue Casement Windows

Are you looking for quality casement window replacements from the best manufacturers in the industry? If so, look no further than Lake Washington Windows & Doors! We offer beautiful, energy-efficient casement window replacement and installation services in Bellevue from the highest quality manufacturers like Milgard and Andersen. Contact us today and experience the incredible benefits our replacement windows and doors can provide your home!

“The sales process was very productive in that the sales representative didn’t waste my time talking about things I didn’t care about. He asked the right questions about what was important for me and was able to answer all of my questions. When the installers showed up, it was obvious from the beginning that they were professional and knew what they were doing. I was very pleased with the entire process and already have referred a couple of my friends to them. Thank you again for a great job!”

We Only Install the Best Casement Windows Available in Bellevue

At Lake Washington Windows & Doors, we’ve spent years determining the finest fiberglass, vinyl, and clad-wood casement window manufacturers based on a strict selection process revolving around four core principles: unwavering consistency in quality and service over the years, unparalleled warranty support to our customers, enduring industry presence, and continuous product innovation. Our esteemed manufacturer partners are:

Our Best Casement Window Offerings

Milgard Ultra Series Fiberglass Casement Windows

Milgard Ultra Series fiberglass windows are considered the leading edge in window technology. Fiberglass is an eco-friendly, energy-efficient material made from silica sand – an abundant natural resource. The frame and glass of these windows expand and contract together consistently, making them highly resistant to swelling, rotting, and warping for longer-lasting durability. Get the most out of your windows with superior-quality fiberglass.

Milgard Tuscany Series Vinyl Casement Windows

Milgard Tuscany Series vinyl windows combine structural strength, UV protection, and efficiency to form a durable, high-quality custom replacement window at an affordable price. With their elegant sightlines that mimic traditional wood windows, the Milgard Tuscany Series is the perfect choice for any homeowner seeking high quality at a reasonable price.

Milgard Trinsic Series Vinyl Casement Windows

If you’re a Bellevue homeowner looking for a modern, stylish window design without the intimidating price tag, the Milgard Trinsic Series is the perfect choice. With its contemporary frames and hardware that become virtually unnoticeable when staring out the window, this series maximizes the amount of glass surface area, delivering an elegant aesthetic to modernize any home.

Andersen E-Series Clad-Wood Casement Windows

Anderson E-Series clad-wood windows allow Bellevue homeowners to add a classic and luxurious touch of wood with the added protection of an aluminum exterior. Featuring a range of wood species, finishes, and varieties of protection from the elements, these windows are designed for superior energy efficiency, durability, and low maintenance with an exterior that never needs painting. The timeless beauty, quality craftsmanship, and unparalleled protection of the E-Series make it a reliable and sophisticated choice for any home.

The Top Benefits Casement Windows Offer Bellevue Homeowners

Casement windows, with their unique design and structure, bring so many benefits to homeowners, including:

  • Increased Ventilation – Casement windows provide more ventilation than other window types due to how they open, especially when combined with high-ventilation patio doors. This means you can consistently flow fresh air into your home.
  • Natural Light – Casement windows let in more natural light than other window types, making your home brighter and more inviting.
  • Easy to Operate – Casement windows are easy to open and close, making them great for frequently used rooms.
  • Durability – Casement windows are strong and durable, meaning they’ll last for years with minimal maintenance.
  • Security – Casement windows are more challenging to break into than other window types, making your home safer from intruders.
  • Energy Efficiency – Casement windows are designed to be highly energy efficient, helping to keep your home cooler in the summer and warmer in the winter.
  • Space Saving – Casement windows don’t protrude into the room like other window types, so that you can save space in your home.
  • Aesthetic Appeal – Casement windows come in various styles, making it easy to find one that complements your home’s design.

Award-Winning Replacement Window Installation Services

Bellevue window door company award 2021

Our team at Lake Washington Windows & Doors isn’t your average Bellevue window dealer and installer – we’re an award-winning organization with over 100 years of combined expertise and commitment. Our reputation is built on a foundation of uncompromising quality, unmatched value, and a customer-first approach that has earned us four consecutive Best in Bellevue awards as “Bellevue’s Top Window Company” and a spot among the Three Best Rated® Window Companies in Bellevue, WA. Explore our extensive range of products and discover why so many trust and recommend our services:


  • Picture Windows
  • Sliding Windows
  • Awning Windows
  • Single-Hung Windows
  • Double-Hung Windows
  • Bay Windows
  • Garden Windows
  • Basement Hopper Windows
  • Transom Windows

A Casement Window Dealer You Can Trust

Choosing the suitable casement window for your home is a decision that should be made with care. At Lake Washington Windows & Doors, we pride ourselves on being the trusted choice for Bellevue homeowners for years. Our award-winning services, a wide array of products, and a commitment to excellence will ensure you make the best choice for your home.

Ready to transform your space? Schedule a complimentary, no-pressure in-home window consultation with our experts today, and let’s explore the endless possibilities together.

Check Out Our Other Window and Door Offerings in Bellevue

Lake Washington Windows and Doors provides Bellevue homeowners with a range of replacement windows and replacement doors in various styles and material options, including:

    Replacement Window Styles

      Replacement Doors