Lake Washington Windows & Doors
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Our Products
Windows
Over 30 years, we’ve determined the best windows that meet our four essential standards: quality and service over time, level of warranty support, industry longevity, and product innovation. We guarantee that each of our windows will deliver the perfect blend of quality, satisfaction, and value for you, the customer.
Window Types
Fiberglass
Vinyl
Window Styles
Picture
Casement
Horizontal Sliding
Awning
Single Hung
Double Hung
Bay
Garden
Basement Hopper
Transom
Our Brands
Anlin
Milgard
WinDor
Take Advantage of Exceptional Financing Offers
April Savings
This April, take advantage of 20% off, plus $1,000 off whole home projects, and make your home more efficient, comfortable, and ready for every season. Flexible financing options are available to fit your needs.
Save 20% on Energy-Efficient Windows and Doors
Upgrade your home and start saving where it matters most — your energy bills. This April, enjoy 20% off energy-efficient windows and doors, plus $1,000 off whole home projects.
Modern windows and doors are designed to improve insulation, reduce drafts, and keep your home comfortable year-round — helping you lower energy costs while enhancing the look and feel of your space.
Active Dates: Offer ends April 30, 2026
Disclaimer: Purchase a minimum of 3 windows or 1 door to redeem the special offer. Discounts apply to installed products on existing homes only. Cannot be combined with other offers. Financing subject to credit approval. Offer ends April 30, 2026
No Payments for 18 Months: $0 Down, $0 Payments, 0% Interest
Take advantage of this limited-time financing option and upgrade your home without immediate out-of-pocket costs. With 18 months same-as-cash financing, you can enjoy the comfort, efficiency, and performance of new windows and doors now — and start paying later.
Active Dates: Offer ends April 15, 2026
Disclaimer: Purchase a minimum of 3 windows or 1 door required. Promo discounts only apply to installed windows and doors on existing homes. Financing subject to credit approval. Offer expires April 15, 2026.
$289/Month Whole Home Window Replacement
Looking for a flexible way to start your window replacement project? Our Whole Home Window Replacement plan lets you upgrade your home for as low as $289 per month — with predictable monthly payments you can plan for. This option makes it easy to improve your home’s comfort and efficiency without a large upfront cost.
Active Dates: Offer ends April 30, 2026
Disclaimer: Finance offer only applies to installed windows on existing homes. Promo based on 12 installed premium white vinyl windows on existing homes. Interest as low as 6.99%. Financing subject to credit approval. Monthly payment amount can vary depending on selected options and window package size.
Special Customer Discounts
Active Military & Veterans
2.5% Discount on Window & Door Installation for Active Military and Veterans.
Disclaimer: Purchase a minimum of 1 window or 1 door. Promo discount only applies to installed windows and doors on existing homes. Cannot be combined with other special customer discounts. Financing is subject to credit approval.
Senior Discount
2.5% Discount on Window & Door Installation for Seniors (ages 60+).
Disclaimer: Purchase a minimum of 1 window or 1 door. Promo discount only applies to installed windows and doors on existing homes. Cannot be combined with other special customer discounts. Financing is subject to credit approval.
Meet Adrian Au, CEO
Founder of Lake Washington Windows & Doors
Adrian Au founded Lake Washington Windows and Doors in 2008 after working in the industry for 19 years. Learning the ins and outs of one of the top window manufacturing companies in America and helping window and door companies across the country, he learned what made or broke a customer’s experience. He took this knowledge and applied a new standard of customer care and window installation to his company, Lake Washington Windows and Doors. Adrian's mission is change the way homeowners think about window & door installation by offering an unforgettable experience, and always leaving a home cleaner than we entered it.
Adrian pioneered the research and development of Leak Armor – an innovative window & door installation method used exclusively by Lake Washington Windows & Doors. Leak Armor is designed to offer unparalleled protection for your home against water damage. This proprietary process employs advanced techniques and materials to ensure that your windows and doors are not only aesthetically pleasing but also structurally sound and leak-proof.
Leak Armor Benefits
- Increased resistance against leaks and water damage
- Enhanced windowsill protection that blocks out moisture and prevents wood rot
- Additional buffering against the wind to reduce drafts and low room temperatures
- Improved sound control, keeping more outside noise out of the home
- Increased energy efficiency, saving you money on heating and cooling costs
COMMERCIAL-GRADE Installation
Leak Armor Lifetime Installation Guarantee
When it comes to preserving the lifespan of your new windows and doors, installation matters. Thousands of window and door installations have honed our replacement process to perfection. For each project, our team follows a streamlined 3-step process to ensure you experience minimal delays and inconvenience before enjoying the benefits of your new window or door.
Our Three Step
Replacement Process
Thousands of window and door installations have honed our replacement process to perfection. For each project, our team follows a streamlined 3-step process to ensure you experience minimal delays and inconvenience before enjoying the benefits of your new window or door.
Free In-Home Consultation
It all begins with a complimentary, no-pressure, in-home consultation where one of our window and door experts will assess your current design goals and functional needs, answer any questions you may have, and ask a few of their own before recommending the best premium quality window and door solutions.
Critical Measure
Next, our measurement technicians will visit your home at a time of your choosing to take exact measurements so we can place your order with exact specifications. Then, they will help to prepare you for your installation date.
Expert Installation
Finally, our installation experts will arrive on the scheduled date to replace your windows and doors, each equipped with our patented Leak Armor Guarantee, with thorough attention to detail. Once we finish installation, we’ll leave your property spotless, recycle your old materials, and leave you to enjoy your newly upgraded home.
Our Services
Window Replacement
As the Seattle-Tacoma area's window installation experts, we'll replace your old home windows with the highest quality windows on the market following our simple replacement process and protected by our patented Leak Armor Protection.
Choose between energy-efficient fiberglass, economical vinyl, or beautiful wood-clad materials in a full range of styles, materials, and colors.
Value & Satisfaction
We Offer Quality and Great Value
Lake Washington Windows & Doors Difference
Trust
By working with Lake Washington Windows and Doors, you can put confidence in our team that we will complete your window or door installation efficiently while taking care of you and your home. By building trust with you, we strive to be transparent, honest, accountable, and respectful. Have peace-of-mind that only the best products and procedures are being used by our most-trusted experts.
Premium Product Selection
There are so many window and door options in the market. That’s why we hand-select the most premium products from the best brands to showcase to our customers. Pick from a thoughtful curation of products that are highly customizable to the design goals and functional needs of your home.
Innovation
We take pride in continuously improving our people, processes, and products to maximize the value our customers receive. By using energy-efficient materials and taking in regular customer feedback, we deliver consistent quality every time. Investing in technology and inventing advanced installation methods, like our Leak Armor Installation, ensures we innovate and change the industry standard for window and door replacement.
Customer Care
We are a local business focused on relationship-driven service and giving the best experience to our customers. When you choose us, you’ll work with helpful, supportive, attentive, and friendly people every step of the way. We’ll also make sure to take exquisite care of your home, leaving it cleaner than we found it.
Expertise
Our professional and detail-oriented consultants act as advisors to inform you on the best window and door products to use in your home. They will evaluate the structure, age, and design of your house, and recommend uniquely tailored solutions to your situation and needs.
Communication
Not getting your questions answered or getting through to a real person can be frustrating when you’ve entrusted a company on a huge project. That’s why we prioritize communication and give regular updates on your project. We are accessible, available, and responsive to all your questions, and want to make the process as easy and smooth as possible.
Showrooms
Locations
Please call to schedule an appointment.
Renton
740 SW 34th St #201, Renton, WA 98057
Tacoma
2073 Mildred St W, Tacoma, WA 98466
Seattle
4500 9th Ave NE Suite 300, Seattle, WA 98105
Areas We Serve
Service Areas
Lake Washington Windows & Doors services Western Washington. We install to most of King County, Pierce County, and southern Snohomish County. If you don't see your city listed below, please call to see if we can service your home.
Gallery
Windows & Doors
Serving: Auburn, Bainbridge, Bellevue, Black Diamond, Bothell, Bremerton, Burien, Des Moines, Echo Lake, Edgewood, Edmonds, Everett, Federal Way, Fircrest, Gig Harbor, Graham, Issaquah, Kent, Kirkland, Kitsap County, Lacy, Lake Stevens, Lakewood, Lynnwood, Maple Valley, Mercer Island, Milton, Mountlake Terrace, NE Tacoma, Newcastle, North Bend, Parkland, Poulsbo, Port Orchard, Puyallup, Redmond, Renton, Ruston, Sammamish, Seattle, Seatac, Shoreline, South Hill, Silverdale, Snoqualmie, Spanaway, Steilacoom, Sumner, Tacoma, University Place, Woodinville and West Seattle