Patio Door Replacement & Installation Seattle

Patio door replacement can improve your home’s exterior appearance and energy efficiency. It can also allow more light in, dramatically brightening your home’s interior.

Styles & Configurations of Patio Doors

Sliding Patio Doors

Sliding patio doors are the epitome of simplicity, elegance, and practicality for Seattle homeowners. Their sleek design allows for maximum natural light and unobstructed views, while the sliding mechanism ensures efficient use of space, making them an ideal choice for areas where floor space is precious.

Lake Washington Windows & Doors provides a vast selection of sliding patio doors, featuring durable materials and advanced locking mechanisms, ensuring both the beauty and security of your home are enhanced.

French Patio Doors

French patio doors add a touch of classic sophistication and open up your home to spacious outdoor living with their timeless design. Known for their dual functionality, they offer both aesthetic appeal and efficient space usage, perfect for Seattle’s unique architectural styles.

At Lake Washington Windows & Doors, our French patio doors come in a variety of styles, including in-swing and out-swing options, customizable to fit the specific needs and decor of your home, providing an elegant transition between your indoor and outdoor spaces.

Patio Door Installation Seattle

Lake Washington Windows & Doors stands out as your go-to specialist for sliding glass door installations in the Seattle area. If you’ve found yourself searching for “sliding door Seattle,” you’re on the right track. Our Renton showroom is the perfect starting point, offering a rich selection of styles that cater to the unique architecture of Seattle homes.

Whether you’re considering a brand-new addition or replacing an outdated sliding door, we’re here to help every step of the way. Our expertise isn’t just about installation; it’s about providing a seamless and enjoyable experience from start to finish.

At Lake Washington Windows & Doors, we understand the importance of variety. That’s why our doors come in multiple styles and designs, ensuring you find the perfect match for your home. Our team, skilled in both consultation and craftsmanship, is dedicated to guiding you through our offerings to make the best choice for your space.

Milgard Patio Doors

Milgard Patio Doors offer an exceptional blend of style, durability, and energy efficiency, making them a top choice for homeowners seeking to enhance their living spaces. Known for their innovative designs and quality craftsmanship, Milgard doors provide a seamless transition between indoor and outdoor environments.

Tuscany® Series Sliding Doors

Elevate your home with the Tuscany® Series, featuring a traditional frame for timeless elegance and advanced energy efficiency features for comfort.

Ultra™ Series Fiberglass Doors

Experience the strength and low maintenance of fiberglass with the Ultra™ Series, designed to withstand harsh weather while maintaining a stylish appearance.

Milgard Trinsic Series Sliding Doors

With a contemporary design and the maximum available viewable glass area, this line is perfect for homeowners seeking a sleek, modern look. The Trinsic Series also emphasizes energy efficiency and durability.

Milgard AX550 Moving Glass Wall Systems

Transform the way you experience space with Milgard’s AX550 Moving Glass Wall Systems. These innovative walls create a seamless transition between indoors and outdoors, offering expansive views through large, unobstructed panes.

Andersen Patio Doors

Andersen Patio Doors are renowned for their exceptional craftsmanship, innovative design, and energy efficiency, setting the standard for elegance and functionality in homes. With a focus on combining beauty with practicality, Andersen offers a nice portfolio of patio doors to fit the unique style and needs of any homeowner.

Andersen E-Series Gliding Patio Door:

Customizable and elegant, the E-Series Gliding Patio Door offers sleek design and advanced energy efficiency. Available in a range of materials, colors, and finishes, it combines style with smooth operation.

Andersen E-Series Hinged Patio Door:

The E-Series Hinged Patio Door brings architectural elegance with extensive customization options. Offering both in-swing and out-swing styles, it enhances your home’s aesthetic and energy efficiency.

Additional Options

Tailor your selection to the unique style of your home with an extensive range of colors, materials, and innovative features. Whether you’re seeking to enhance energy efficiency, security, or simply the aesthetic appeal of your doors, our bespoke options ensure your patio doors are as unique as your home.

Milgard Additional Options

Milgard patio doors are designed with your unique style in mind. Choose from a vast array of colors, finishes, and hardware options to perfectly match your home’s decor and your personal taste. Our customization options include:

Bold Color Selection

With Milgard, you’re not limited to standard colors. Select from a wide palette that includes everything from classic white to bold, contemporary tones, ensuring your doors complement your home’s aesthetic beautifully.

Material Choices

Our patio doors come in various materials, each with its own benefits. Choose from durable vinyl, strong and sleek aluminum, the warmth of wood, or the weather-resistant features of fiberglass. Each material offers distinct advantages in terms of aesthetics, maintenance, and energy efficiency.

Glass Options

Enhance your home’s energy efficiency and privacy with our range of glass options. From tinted glass that reduces glare and heat to energy-efficient Low-E glass coatings that keep your home comfortable year-round, Milgard has the solutions to meet your needs.

Hardware Styles and Finishes

Put the finishing touch on your patio doors with our selection of hardware. From modern to traditional, our hardware comes in various finishes, including brushed nickel, oil-rubbed bronze, and more, allowing for the perfect complement to your door and home.

Advanced Security Features

Peace of mind comes standard with Milgard’s multi-point locking systems and optional security upgrades. Our doors are designed for both beauty and safety, ensuring that your home is stylish and secure.

Andersen Additional Options

Andersen patio doors are synonymous with quality and variety, offering a range of customizable options to ensure your new doors are a perfect fit for your lifestyle and home design. Explore our additional options:

Rich Wood Interiors

Select from a variety of beautiful wood species for the interior of your doors, including oak, maple, and cherry, to add warmth and elegance to any room. Finish them with your choice of stain or paint to match your home’s interior perfectly.

Exterior Colors

Andersen’s extensive color palette for the door exteriors ensures your home stands out with style. Choose from a range of standard and custom colors, all designed to withstand the elements and maintain their beauty for years to come.

SmartSun™ Glass

Optimize energy efficiency with SmartSun™ glass that blocks unwanted solar heat while allowing natural light to flow freely. This glass also reduces fading of fabrics and furnishings by blocking harmful UV rays.

Customizable Hardware

From sleek contemporary designs to classic elegance, Andersen offers a variety of hardware styles and finishes. Customize your door with hardware that not only matches your home’s style but also meets your functional needs.

Innovative Screen Options

Enhance your patio door with Andersen’s retractable screens or traditional sliding screens for fresh air and unobstructed views. Choose from various materials and styles to seamlessly integrate with your door design.

The Low-Maintenance, Durable Choice for Seattle Homes

Sliding doors are not only a stylish and space-saving addition to any home; they also stand out for their low maintenance requirements. With fewer moving parts than their swinging counterparts, sliding doors present a hassle-free option for homeowners looking for ease and reliability.

Simplified Hardware, Simplified Life

One of the key advantages of sliding doors is their simplified hardware. The design of these doors means they have fewer components that can wear out or need adjusting over time, compared to the more complex mechanisms of swinging doors. This simplicity translates to less upkeep and a longer lifespan for your door.

Durability Meets Innovation

The latest generation of sliding glass doors has been engineered for exceptional durability. They’re built to withstand the test of time and weather, ensuring that your home stays protected and your doors look great for years to come. Equipped with high-quality hardware, these doors resist wear and tear, making them a smart investment for any homeowner.

Enhanced Security for Peace of Mind

Security is a top priority, and modern sliding doors don’t disappoint. With new multi-point locking systems, these doors provide an extra layer of security to your home. This advanced locking mechanism engages the door at multiple points along its frame, significantly enhancing its resistance to forced entry.

Why Replace My Sliding Patio Doors?

Upgrading your sliding patio doors goes beyond updating your home’s aesthetic. It’s about embracing advancements that bring energy savings, heightened security, and an overall uplift in your living space’s functionality.


Energy Efficiency

Older patio doors often fall short in preserving your home’s comfort, letting drafts sneak in and tampering with the indoor climate. The introduction of modern patio doors marks a significant leap in energy conservation. Featuring innovations such as Low-Emissivity (Low-E) glass and superior sealing techniques, these upgrades are designed to minimize heat transfer.

This not only maintains a comfortable indoor temperature year-round but also contributes to noticeable savings on energy bills. The presence of drafts around aged doors is a tell-tale sign it’s time for an upgrade.

Enhanced Security

Improving your home’s security isn’t just about deterring intruders; it’s about peace of mind. While the makeshift solution of wedging a stick in your old sliding door’s frame might offer a semblance of security, contemporary doors offer much more. Today’s patio doors come equipped with robust locking mechanisms that provide an added layer of protection. By upgrading, you introduce a more reliable safeguard for your home, ensuring your safety and the well-being of your loved ones.

At Lake Washington Windows and Doors, we’re committed to offering solutions that enhance the beauty, efficiency, and security of your home. With our focus on quality, innovation, and customer care, let us guide you in selecting the perfect patio doors that meet your needs and preferences.


What types of patio doors does Lake Washington Windows and Doors offer?

We offer a wide selection of patio doors from leading manufacturers like Milgard and Andersen, including sliding glass doors, French doors, and moving glass wall systems. Each type comes with a variety of customizable options to perfectly match your home’s style and your personal preferences.

Can I customize my patio door?

Absolutely! We provide extensive customization options for your patio door, including material choices (vinyl, aluminum, wood, and fiberglass), colors, finishes, hardware styles, and glass options. Our team is dedicated to helping you create a door that fits your exact specifications and aesthetic desires.

What is the installation process for patio doors?

Our professional installation process includes an initial consultation, precise measurements, removal of your old door, and expert installation of your new patio door. Our experienced team ensures a seamless fit and finish, with minimal disruption to your home. Post-installation, we conduct a thorough cleanup and provide a walkthrough to ensure your complete satisfaction.

How do I maintain my new patio door?

Maintenance requirements vary based on the material and type of door you select. However, we provide detailed care instructions with every installation. Generally, regular cleaning of the glass and frame, along with periodic checks and lubrication of the moving parts, will keep your patio door functioning beautifully for years to come.

What is the Leak Armor Guarantee?

Our Leak Armor Guarantee is a testament to our confidence in the quality of our installation work. It offers protection against leaks at the installation points of your new patio door, ensuring that you can enjoy peace of mind knowing your home is protected against water damage.

How long does it take to install a new patio door?

The installation timeline can vary depending on the complexity of the project and the type of door being installed. Most installations are completed within a day. We prioritize efficiency and minimize disruption, ensuring a swift and smooth installation process.

Are new patio doors energy efficient?

Yes, our patio doors are designed with energy efficiency in mind. Featuring options like Low-E glass, superior sealing, and thermal breaks, our doors help maintain your home’s comfort and can lead to significant energy savings.

How does upgrading my patio door enhance my home’s security?

Modern patio doors come equipped with advanced locking mechanisms, including multi-point locks and reinforced frames, significantly enhancing your home’s security. Upgrading to a new patio door can deter intruders and provide peace of mind.

Can you provide an estimate for a patio door replacement?

Yes, we offer free, no-obligation estimates for patio door replacements. Our estimates are detailed and transparent, providing you with a clear understanding of the costs associated with your project. Contact us to schedule your consultation.

Why choose Lake Washington Windows and Doors for my patio door installation?

Choosing us means partnering with a company that values trust, quality, and customer satisfaction. With our ProVia Platinum Dealer status, A+ BBB rating, and commitment to continuous improvement, we ensure each project meets our high standards of excellence. Our personalized approach and the Leak Armor Guarantee set us apart in the industry.

Lake Washington Windows & Doors Logo a name you can trust

Lake Washington Windows and Doors

Our team is eager to guide you through these options, ensuring your patio door is a reflection of your unique taste and lifestyle.


At Lake Washington Windows & Doors, we offer the latest patio door models from respected manufacturers, including Provia, Milgard, Andersen, and WinDor.

Lake Washington Windows is thrilled to collaborate with industry leaders Milgard and Andersen, offering an elite selection of patio and entry doors renowned for their superior quality, enduring durability, and stunning aesthetic appeal. Our partnership ensures you have access to the finest products tailored to elevate your home’s beauty and functionality.

Learn more about our offerings of replacement doors in Seattle. A full list of the panel types, door styles, and door materials that we offer.

Top-Rated Window Replacement Services

At Lake Washington Windows and Doors, we offer the highest quality windows and unparalleled customer service, with over 800 5-star reviews. With each installation, our exclusive Leak Armor Installation provides superior protection around your window openings. When you choose us for your window installation project, you can be sure that you’re getting the best.

Financing Options with Convenient 10 Minute Approvals   

In addition to special offers and promotions, ask  our sales representative about our quick, digital financing application process.  From low-interest traditional loans to no down-no payment-no interest deferred financing plans,  we can help you fund your replacement window project so you can mobilize your cash for other investments.  We are a proud partner of GreenSky, one of the largest lenders for the home improvement industry.   See how much you can be pre-approved for.  

Every Window Includes a Limited Lifetime Warranty

The beauty of working with the top window manufacturers in the industry is the support you can expect before, during, and after installation. Both Milgard and Andersen offer limited lifetime warranties. However, the likelihood that you’ll need to take advantage of these warranties is low.

Milgard Lifetime Warranty Guarantee

Milgard’s award-winning windows and doors are built to last. However, if you ever encounter an unexpected problem, you can rest assured that their lifetime warranties cover your purchase.

Andersen Limited Lifetime Warranty Guarantee

Andersen prides itself on crafting durable, long-lasting products. That resilience allows them to offer some of the best warranties in the industry. They're even transferable should you sell your home. With Andersen’s exclusive Owner-to-Owner® limited warranties, you get peace of mind plus real added value.

Receive Our Patented Leak Armor Protection with Every Installation

We include our patented Leak Armor protection with every window we install. Developed through thousands of customer installations and years of experience, we utilize layers of flashing, pans, and sealants in a specific manner to provide commercial-grade sealing to residential homes.