Request a free consultation

— Beat Inflation with Smart Home Upgrades —

20% Off Windows & Doors + 18 Months of Free Financing

Offer ends August 31st, 2025

Lake Washington Windows & Doors

4.8 Stars - Based on 639 Google Reviews

Limited Time:

4Day(s) 11Hour(s) 21Minute(s) 51Second(s)

— GET STARTED —

Schedule A Free Consultation

I'm interested in replacing full frame exterior windows and doors in my home

Choose Offers:

20% Off Inflation Discount $0 Down, $0 Payments, 0% Interest for 18 Months $289/Month Whole Home Window Replacement Active Military & Veterans Senior Discount

I need my window screen, hardware, or glass repaired

expertise best window contractors 2023 transparent

4.9 Google 2

top 3 window companies seattle 2021 transparent

platinum dealer 2023 transparent

4.9 Bird eye

installation masters provia transparent

Angi 2024

LWW Badges Top Dealers 1

575+Combined Years Experience

31,390+Windows & Doors Installed

6,278+Homes Upgraded

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

casement ultra c650 fiberglass

Fiberglass

For customers seeking the highest standard of energy efficiency and luxurious aesthetic, our fiberglass windows exceed every expectation.

milgard tuscany 400 vinyl 4

Vinyl

Customers seeking the ideal balance between beauty, efficiency, and economic value will love our customizable vinyl window selection.

Window Styles

Picture

Experience unobstructed views of scenic vistas and abundant natural light, as these energy-efficient windows add architectural intrigue to your home.

Casement

Experience superior ventilation and ease of operation. With a turn of a crank, open your windows fully, inviting fresh air and light indoors.

Horizontal Sliding

Versatile, efficient, and easy to operate, these windows are the epimony of functional modern design, ideal for tight spaces and high-traffic areas.

Awning

These windows are perfect for rain or shine and offer excellent ventilation and privacy while protecting your indoor space from the Pacific Northwest elements.

Single Hung

A classic choice, offering affordability and simplicity with an operable lower sash for controlled ventilation, making them ideal for any room.

Double Hung

With two operable sashes, these windows provide flexibility and enhanced airflow, making them a timeless, practical, and low-maintenance choice for any home.

Bay

Extend your living space beyond the walls of your home and invite in abundant sunlight while experiencing panoramic views from a cozy nook.

Garden

Perfect for plant lovers looking to create a mini-greenhouse right in your kitchen and enjoy year-round blooms and herbs with this sunlit space enhancer.

Hopper Window Open

Basement Hopper

Designed for security and ventilation, these windows allow easy cleaning and efficient airflow, brightening and aerating dark spaces.

Transom Window

Transom

Situated above existing doors and windows, these windows add elegance, character, and natural light without compromising privacy.

Our Brands

LW Series Windows

LW Series establishes a new benchmark in quality and resilience, offering a wide range of customizable designs and energy-efficient materials to enhance any home’s comfort, style, and value.

Milgard

Offering a wide range of innovative, quality windows and doors, Milgard’s energy-efficient designs promise long-term reliability and curb appeal.

WinDor

WinDor combines unmatched style with exceptional performance through its innovative designs to give your home a one-of-a-kind aesthetic.

			
							Wow...Chris D. and David B.were amazing! They arrived promptly at 8:30 and completed the project by 4:30...very professional in appearance, explanation and competency in the installation of our windows and siding, and clean up! My husband I are pleased beyond words...we love the end result...thank you again!
read moreread less

				Lorraine B.			

			 8/16/2025
			
			<img width="102" height="18" decoding="async" src="https://lakewashingtonwindows.com/wp-content/plugins/wp-review-slider-pro-premium/public/partials/imgs/yelp_stars_5.png" alt="5 star rating" class="wprevpro_t12_star_img_file" title="Google Ads - Windows 26">
							Lake Washington Windows and Doors sent a great crew of two, Chris D. and David B. who arrived promptly at 8:30 and left by 4:30...a full days work professionally done with attention to detail! My husband and I are very pleased with the end result! Thank you!
read moreread less

				Raine B.			

			 8/16/2025
			
<img width="64" height="32" decoding="async" src="https://lakewashingtonwindows.com/wp-content/plugins/wp-review-slider-pro-premium/public/partials/imgs/yelp_outline.png" alt="Yelp Logo" class="wprevpro_t12_site_logo wprevsiteicon " =24 =32 title="Google Ads - Windows 27">

							We are so excited as we just placed an order for a new door!! So far from the beginning the sales team especially Ireland has been so awesome. Ireland is very professional and knowledgeable of the product and has a positive attitude with a smile. She was very responsive and answered all our questions. We are so happy with Ireland. On 8-11-2025 we had our door installed by Crisanto and Johan , what a team! The LWWD team arrived on time and began the tear down right to the studs! Was really impressed as they enclosed the work area! The team asked us any questions or concerns that we may have. Crisanto and Johan were very polite and courteous as the work began ! Very meticulous and precise on the work they did. They took pride in the work they did! They cared about the customer! We had a custom door and the paint matched the home! We are very pleased with LWWD from Josh to the scheduler Jeff , for keeping the communication open and letting us know what the next steps were! Everyone fud a great job and we would recommend LWWD on our next project! Love the teamwork!! Gary and Kathy Herrygers
read moreread less

				Kathy H.			

			 8/13/2025
			
							Andy Taz and David did an amazing job with the installation of a brand new sliding door in our living room. They got here on time, communicated clearly, and finished promptly.
read moreread less

				Yucen Y.			

			 8/12/2025
			
							I have been so pleased with Lake Washington Windows & Doors. My husband and I were looking for new windows after recently buying an older home. I connected with Spencer who was great in helping me explore best window options for our home, based on location, aesthetic, etc. We moved forward with purchasing and installing 5 Anlin windows. It took a bit longer than anticipated to get to installation, but we weren’t in a hurry. The windows were installed yesterday by Chris and David. We couldn’t be happier! I couldn’t believe our house temperature dropped by 5-10 degrees!! Now I eagerly await to replace the rest of windows in our home. I will 100% be reaching out to Spencer and requesting the same install crew for future projects.
read moreread less

				Clarice B.			

			 8/12/2025
			
							We recently had our exterior door with built in window replaced by Lake Washington Windows and Doors. Both Crisante and Johan were both very professional from start to finish. They arrived on time, scoped out the job, completely removed the existing door down to the studs, prepped the opening, and installed the new door without error. I would highly recommend Lake Washington Windows and Doors and the installation team.
read moreread less

				Gary H.			

			 8/12/2025
			
			<img width="102" height="18" decoding="async" src="https://lakewashingtonwindows.com/wp-content/plugins/wp-review-slider-pro-premium/public/partials/imgs/yelp_stars_5.png" alt="5 star rating" class="wprevpro_t12_star_img_file" title="Google Ads - Windows 26">
							I have been so pleased with Lake Washington Windows & Doors. My husband and I were looking for new windows after recently buying an older home. I connected with Spencer who was great in helping me explore best window options for our home, based on location, aesthetic, etc. We moved forward with purchasing and installing 5 Anlin windows. It took a bit longer than anticipated to get to installation, but we weren't in a hurry. The windows were installed yesterday by Chris and David. We couldn't be happier! I couldn't believe our house temperature dropped by 5-10 degrees!! Now I eagerly await to replace the rest of windows in our home. I will 100% be reaching out to Spencer and requesting the same install crew for future projects.
read moreread less

				Clarice B.			

			 8/12/2025
			
<img width="64" height="32" decoding="async" src="https://lakewashingtonwindows.com/wp-content/plugins/wp-review-slider-pro-premium/public/partials/imgs/yelp_outline.png" alt="Yelp Logo" class="wprevpro_t12_site_logo wprevsiteicon " =24 =32 title="Google Ads - Windows 27">

			<img width="102" height="18" decoding="async" src="https://lakewashingtonwindows.com/wp-content/plugins/wp-review-slider-pro-premium/public/partials/imgs/yelp_stars_5.png" alt="5 star rating" class="wprevpro_t12_star_img_file" title="Google Ads - Windows 26">
							Great company. On time, on schedule, very details oriented, and leaving the house very clean after replacing twenty windows.
read moreread less

				Marc V.			

			 8/10/2025
			
<img width="64" height="32" decoding="async" src="https://lakewashingtonwindows.com/wp-content/plugins/wp-review-slider-pro-premium/public/partials/imgs/yelp_outline.png" alt="Yelp Logo" class="wprevpro_t12_site_logo wprevsiteicon " =24 =32 title="Google Ads - Windows 27">

							Ronny is the best salesman. He is knowledgeable, polite and nice. He explains everything you need to know and want to know about the company and products clearly. You can place your trust in him.
read moreread less

				natalie n.			

			 8/08/2025
			
							We had a great experience with LWWD. Our installers, Cristano, Johan and Emilio were so polite and efficient!
read moreread less

				Rob T.			

			 8/08/2025
			
			<img width="102" height="18" decoding="async" src="https://lakewashingtonwindows.com/wp-content/plugins/wp-review-slider-pro-premium/public/partials/imgs/yelp_stars_5.png" alt="5 star rating" class="wprevpro_t12_star_img_file" title="Google Ads - Windows 26">
							We had a great experience with LWWD! the entire team was helpful and supportive. our installers- Cristano, Johan and Emelio-were especially kind and efficient! great experience!
read moreread less

				Angela T.			

			 8/07/2025
			
<img width="64" height="32" decoding="async" src="https://lakewashingtonwindows.com/wp-content/plugins/wp-review-slider-pro-premium/public/partials/imgs/yelp_outline.png" alt="Yelp Logo" class="wprevpro_t12_site_logo wprevsiteicon " =24 =32 title="Google Ads - Windows 27">

							I recently had two windows replaced by Lake Washington Windows & Doors and I couldn’t be happier with the entire experience. After reaching out to several different companies, I ultimately chose Lake Washington because of their professionalism, clear communication, and attention to detail—and I’m so glad I did! From the start, Ireland, my sales rep, was incredibly helpful and patient as I asked what felt like 101 questions. She never rushed me and always made sure I felt confident and informed about my options. Her professionalism and friendly approach made a great first impression that carried through the entire project. Jeff, the project coordinator, kept me in the loop every step of the way and made the process smooth and stress-free. I really appreciated the regular updates and how easy it was to communicate with him. And a huge shout out to the installers, Chris D and David B, for their outstanding work. Not only was their craftsmanship top-notch, but they were also extremely respectful of my home—keeping the workspace clean and leaving everything spotless at the end of each day. Their attention to detail did not go unnoticed! Thank you to the entire team for your hard work and excellent service. I’ll definitely be recommending Lake Washington Windows & Doors to anyone in need of window or door replacements!
read moreread less

				Jim C.			

			 8/05/2025
			
							Our install team (Chris D. and David B.) did a great job — extremely professional and high quality. Would recommend to anyone looking for new windows or doors!
read moreread less

				James M.			

			 8/01/2025
			
							doors look great - installers were efficient & professional - very pleased with the product & service
read moreread less

				dennis l.			

			 7/28/2025
			
							Crisanto and Johan were our installers. They did a great job with the install. I am very happy with my windows.
read moreread less

				Kris I.			

			 7/22/2025
			
							Great overall experience. No pushy sales tactics, and the entire team overly communicated throughout process. Second project with them. Replaced a patio door with a slider. Andy and Joel did an amazing install job and would highly recommend them.
read moreread less

				Chris C.			

			 7/20/2025
			
							Andy and Taz were extremely professional and thorough with our window install even when they had to deal with multiple wasps nests under some shutters. They were very clean and left the house in the same shape it was. After the install, Andy did a great walkthrough to make sure we were comfortable with the windows and to make sure everything met our standards.
read moreread less

				Jeff W.			

			 7/18/2025
			
							This is a top shelf company. Excellent customer service and support. Always giving you updates on their time of arrival. Meticulous workmanship , adjustments for patio doors 3 years after installation no questions asked, just perfectly repaired. Thank you!!
read moreread less

				Raj J.			

			 7/17/2025
			
			<img width="102" height="18" decoding="async" src="https://lakewashingtonwindows.com/wp-content/plugins/wp-review-slider-pro-premium/public/partials/imgs/yelp_stars_5.png" alt="5 star rating" class="wprevpro_t12_star_img_file" title="Google Ads - Windows 26">
							We were interested in new sliders, and/or converting one slider into a window. We picked Lake Washington Windows because they'd have their own employees do the wall construction for a window conversion, not subs. Although that was the project we invited them in for, we decided to just replace the failed Thermopane seal panels instead, but during the visit the salesperson (Dave) mentioned their doors, which was a future project, so we asked for a bid for a steel door.Accepting their bid the product took almost exactly their claimed lead time. Although replacing a front door is less involved than converting a slider to a window, I was still concerned about the installers, and Andy and Taz did a great job. Very respectful of our property, detailed in their work, and explaining a few key points. The finished install looks great. While not an inexpensive project, I believe the upgraded door will not only provide additional security with its 3 point/four hinge system, but also be a good first impression for buyers when the day finally comes that we try to sell our house in the very distant future. In the meantime, we will enjoy.My only complaint would be they apparently do not do garage doors--another future project.Edit: I forgot to mention we did have a visit from another large well known company. Their attempt to upsell by expanding the opening for our largest slider was not appreciated, particularly when they denied such a change would require permitting. Also, really did not trust the longevity of their product which had wood encased in vinyl.
read moreread less

				Kary K.			

			 7/17/2025
			
<img width="64" height="32" decoding="async" src="https://lakewashingtonwindows.com/wp-content/plugins/wp-review-slider-pro-premium/public/partials/imgs/yelp_outline.png" alt="Yelp Logo" class="wprevpro_t12_site_logo wprevsiteicon " =24 =32 title="Google Ads - Windows 27">

							Josue and Gustavo were great to work with. They were very accommodating of some adjustments that needed to be made during the installation. They got everything done on time while navigating around a toddler and a cat.
read moreread less

				JP O.			

			 7/16/2025
			
							10/10! Best pricing & customer service. Blake Wolf made the whole process seamless. Definitely will use them again & recommend to family and friends. Thank you!
read moreread less

				Jared A.			

			 7/15/2025

Take Advantage of Exceptional Financing Offers

Beat Inflation with Smart Home Upgrades

Skip the surge in prices — and upgrade your home while saving 20%. This month only, Lake Washington Windows & Doors is offering an exclusive Inflation Discount on all window and door projects.

20 OFF Inflation Discount

20% Off Inflation Discount

Inflation may be rising, but your project costs don’t have to. From sleek patio doors to high-efficiency windows, get 20% off top-quality products that improve comfort, reduce energy bills, and boost your home’s value.
Act now to lock in your savings before fall price increases — enjoy honest pricing, expert installation, lifetime warranty., and flexible financing tailored to you.

Active Dates: Offer ends August 31st, 2025

Disclaimer: Purchase a minimum of 3 windows or 1 door in order to redeem the special offer. Promo discount only applies to installed windows and doors on existing homes. Cannot be combined with other main offers. Financing is subject to credit approval. Offer expires August 31st, 2025.

Banner 18 Months of Financing August Promo

$0 Down, $0 Payments, 0% Interest for 18 Months

Make your home upgrade easy and affordable, no payments, and 0% interest until 2027. You’ll enjoy fresh air and lower bills now and start paying later.

Active Dates: Financing offer valid through August 31st, 2025

Disclaimer: Subject to credit approval. Applies to installed windows and doors only.

Banner 289 Financing Offer August Promo

$289/Month Whole Home Window Replacement

Predictable Monthly Payments You Can Budget For

Active Dates: Offer ends August 31st, 2025

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.

lww team adrian

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

leak armor 1

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.

Leak Armor Guarantee

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.

critical measure

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

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

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

c301fbcb 1 10dm0be0d908z005018028

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 icon

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 icon

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 icon

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 icon

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

milgard tuscany series v400 vinyl awning windows 2

milgard tuscany series v400 vinyl awning windows 1

milgard trinsic series v300 vinyl awning windows 1

pro via aeris wood clad awning windows 3

pro via aeris wood clad awning windows 2

pro via aeris wood clad awning windows 1

milgard trinsic series v300 vinyl single hung windows 1

milgard tuscany series v400 vinyl single hung windows 3

Request a free consultation

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