Lake Washington Windows & Doors

Diamond Rating

To earn the Exceptional Consumer Satisfaction Diamond, the dealer must have 5 or more reviews within the last year on and maintain an average of 4.5 stars or higher.
To earn the Showroom Diamond, the dealer must have a showroom with a minimum number of Milgard products on display.
To earn the Web-Site Diamond, the dealer must have their own Web-site with information about the Milgard products and the services they sell.
To earn the AAMA Certified Diamond, the dealers must have at least one member from each of their installation crews complete the AAMA Installation Masters training and pass the AAMA Certified Install test.
To earn the Product Knowledge Diamond, all Dealer Sales Consultants must pass a series of standardized Milgard administered tests demonstrating Milgard product knowledge.


327 Williams Avenue South
Renton, WA 98057
United States

Store Hours

Monday8:00am - 4:30pm
Tuesday8:00am - 4:30pm
Wednesday8:00am - 4:30pm
Thursday8:00am - 4:30pm
Friday8:00am - 4:30pm

Services Offered

Consumer financing
Essence Dealer
Free estimates
Has Showroom
MGWS Dealer
New construction
Offers installation
Replacement Specialist

About Us

Lake Washington Windows and Doors shares a very similar philosophy to Milgard Windows, which is 'the customer must be given the best possible service.' As a Platinum level Milgard installation dealer, our staff is fully trained and certified on all current Milgard window and door products, as well as the latest installation techniques. We pride ourselves on being a knowledgeable and professional resource for your window replacement needs and strive to provide excellent customer service throughout the entire process. We are proud to have earned an A-Rating with the Better Business Bureau, been awarded the Angie's List Super Service Award, and recently featured in the national home improvement show House Crashers on HGTV. We gladly serve all of King, North Pierce, and South Snohomish County.

Awards Received


Areas Served

All of King County including Seattle, Bellevue, Kirkland, Redmond, Issaquah, North Bend, Renton, Kent, North Pierce County, South Snohomish County


Lake Washington Windows & Doors

See All Reviews
Lake Washington Windows & Doors is rated 4.8 out of 5 by 105.
Rated 4 out of 5 by from Great finished product and customer service. We love our new windows and the customer service was great throughout the long time it took from start to finish. Our older brick home was not easy for the crew to work on; one of the large picture windows they had to break out the glass with hammers, and during the demolition there was damage to our walls and window sills, and on the last day of the scheduled install the crew was there until 9 pm in order to finish the job! LWWD did have other specialists come back to the house to repair the drywall, sill and tile damage. We also had screens that were either missing with the original order or defective. These were finally replaced/repaired as well. The whole process from order to final finish took 4 months! Throughout the entire process all of the staff we spoke to or encountered were very courteous and helpful. If we were to replace additional windows I would demand to have their most experienced crew for the job; our old brick house and old heavy aluminum framed windows were too much for the crew they sent out. I left out some details of the last-day install but suffice it to say it was an ordeal for us as well as the crew. But all of the installation issues aside, we love our final product.
Date published: 2018-11-09
Rated 5 out of 5 by from exceptional quality we are very very HAPPY with quality and experience
Date published: 2018-08-10
Rated 5 out of 5 by from What a difference new vinyl windows have made We lived with our old aluminum windows for several years before deciding we had enough and needed to get new ones. They were difficult to open, developed condensation during the rainy season and let the cold come in during the winter because of the aluminum metal and the gas filling between the panes had mostly dissipated. With the new Milgard windows, not only do they look so much nicer, open and close so easily, but the vinyl does not transmit the heat or cold through like the aluminum did and the new Argon gas between the panes does the same for the glass portions of the windows as well. In addition to the quality of the Milgard product with it's lifetime guarantee, the staff and installation crew at Lake Washington Windows and Doors are all very courteous and pay attention to detail to make sure that the whole process goes smoothly from beginning to end. They are so good, that our Condo's HOA has made them the preferred contractor to install the Milgard Windows here, since from experience, they are the one's who have done the best job in properly installing windows at our complex.
Date published: 2018-07-29
Rated 5 out of 5 by from Excellent UV protection; looks great My kitchen picture window is 8ft wide in direct sunlight all day. Temperatures have been 80 degrees this week. When I put my hand on the counter near the window during peak times, the counter and kitchen were cool, not hot like the old window. Im not sure I need a covering on them cause they are so efficient! Also the wood trim looks so lovely. the windows exceeded my expectations.
Date published: 2018-06-19
Rated 5 out of 5 by from Beautiful! I purchased a large 8ft wide picture window for my kitchen. When I first saw the window installed, it took my breath away. Bridget and Tahlia provided excellent service and Dan and Brian did a great job installing the window, on time and with a smile!
Date published: 2018-05-23
Rated 5 out of 5 by from Amazing service from start to finish! From sales to install to service... We would 100% recommend Lake Washington Windows and Doors. They kept us informed, the installers were pro and everyone did exactly what they said they were going to do. We have more work to be done and will definitely be using Lake Washington Windows and Doors! Great job - Thank you!
Date published: 2017-12-18
Rated 5 out of 5 by from Very happy with LW Windows and Doors all around We were somewhat concerned about replacing our windows because we have aluminum siding which we thought would make it somewhat of a more difficult job. We need not have been concerned. The installation crew was great and we are very happy with the job done.
Date published: 2017-12-09
Rated 5 out of 5 by from Our house is full of light! Our cloudy gable windows at the top of our vaulted ceiling have been replaced with crystal clear Milgard windows, flooding our foyer with light to brighten up the dark Seattle winter days.
Date published: 2017-12-09
Rated 5 out of 5 by from Great Experience We worked with Mike and finishing our order kept getting pushed under the rug. Once we finally placed the order, it was a quick turn around process. Not only were we able to just have one window replaced which was all we needed, it was a great price, great quality work and great to work with.
Date published: 2017-11-09
Rated 5 out of 5 by from New windows look great We had Lake Washington Windows put in our new Milgard windows and they look great. It is too soon to know about energy savings but I think there will be some. The guys that installed the window were great.
Date published: 2017-10-26
Rated 5 out of 5 by from Friendly professional service! D’Shane was very knowledgeable. He took measurements, explained options and got our windows ordered. It was nice to see that he also did the installation. Quick and professional service!
Date published: 2017-10-25
Rated 5 out of 5 by from this product is well constructed and user friendly this product (over-sized sliding glass patio door) is well-constructed and fits well into the opening - although the size of the door makes it quite heavy, the door/screen slide well and are easy to open/close/lock whuch makes the product very user friendly and helpful for the elderly or incapacitated
Date published: 2017-10-19
Rated 5 out of 5 by from The Best Part is ... ... what you don't see! We purchased Milgard windows to replace some older windows that had become cloudy on the inside over time. So nice to be able to look THROUGH our windows again!
Date published: 2017-10-18
Rated 4 out of 5 by from Windows gave the house a totally new and improved look, both on the inside and outside. We replaced our old windows with the Milgard Tuscany series. The installation was professionally done. The quality of the windows compared to the old windows was like night and day. We liked the different features some of the windows offered, especially the double hung windows. With our new windows, the house seems more modern and we have received many compliments from people in our neighborhood. We are very happy with the installation and quality of the windows. In addition, the lifetime warranty on the windows was a great benefit.
Date published: 2017-10-08
Rated 5 out of 5 by from Excellent service and product We're thrilled with our new windows and with the service, communication and installation from Lake Washington Windows and Doors. Highly recommend!
Date published: 2017-10-08
Rated 5 out of 5 by from Good product at a good price. Quality service and install from Lake Washington. We were very happy with Lake Washington windows from sales through install. Our sales rep was Jon Wood who was great and we appreciated the no nonsense low pressure approach. Our installer crew was led by Mark and did a great job with replacing our old aluminum windows with new Milgard vinyl. Overall i'm very happy and look forward to working with these guys again in the future.
Date published: 2017-09-30
Rated 5 out of 5 by from Functional and efficient We purchased 22 windows and a slider door. All were offered in a variety of options. Each one was not only functional but were also attractive and gave us an updated look to our home. We highly recommend Milgard!
Date published: 2017-09-20
Rated 5 out of 5 by from Like the look of new windows The windows are working out very and feel that they will make a difference. They were install very good and the installed did a very great job. He was very profession and very good about his job.
Date published: 2017-09-20
Rated 4 out of 5 by from Easy to work with and response to problem quickly. Lake Washington W&D replaced a few of my windows. The installer and team did a great job and the windows look very nice. However, my new Milgard garden window is defective and leaks as soon as it got rained on. I emailed Jon @ Lake Washington and he responded quickly and sent someone over the next day. They performed a temporary fix to my garden window and filed a claim with Milgard for me. Milgard will come in a month to replace the defective parts. As of now, I would not recommend Milgard garden window to anyone . Milgard needs to do a better job at quality control!
Date published: 2017-05-10
Rated 4 out of 5 by from Window Replacement Windows look great, function properly and installation was easy to do.
Date published: 2017-04-17
Rated 5 out of 5 by from Excellent Windows and Installation Process We are very happy with our Milgard Tuscany windows. Because we have so many windows, over the past three years we have been replacing about 12-14 windows each year. We love the look of the Tuscany windows with sculptured grids. They appear to be sturdy, well made, and look sharp. Now three years out on the first windows we had replaced and we are satisfied we picked the right product. We also like and feel protected by the Milgard warranty The installation went as described, was completed faster than expected, and was done without any problems. The installers were professional, friendly, and worked steadily to get the job done. A good experience all around.
Date published: 2017-03-30
Rated 5 out of 5 by from So Happy with New Windows Love the new Milgard Windows installed by Lake Washington Windows and Doors. High quality product, installed by a skilled installation team.
Date published: 2017-03-27
Rated 5 out of 5 by from The French doors have great features. The patio French doors are beautiful and sturdy. The locking system is secure, and we are thrilled with the high quality of the design and construction. Thank you!
Date published: 2017-03-25
Rated 5 out of 5 by from These windows are beautiful and a breeze to clean! We just replaced all the windows in our home with Milgard double hung in most places and sliders for the big ones. They look amazing, are sturdy and solid, and the double hung windows are especially easy to clean and maintain. They fit very well, went in in one day. No more drafts, these windows seal firmly and completely. Locking mechanism feels very secure. I am very happy and would recommend these to anyone.
Date published: 2016-11-10
Rated 5 out of 5 by from Great home improvement upgrade These windows replaced our single pane wooden windows and it is insulating heat in and cold out. This will help reduce our heating and cooling electric bill.
Date published: 2016-11-02
Rated 5 out of 5 by from Outstanding Windows I had new Milgard windows installed in my house and shop. The upgrades to both buildings is excellent, drawing praise from my neighbors and causing me to just stand, smile and admire the improvement the product has made. This has been one of the best investments I have made, and would not hesitate to recommend the product and service I have received.
Date published: 2016-10-12
Rated 5 out of 5 by from Lake Washington Windows: A Very Enjoyable Experience! Eight years ago, we replaced several windows and a sliding door with Milgard Tuscany but we were dissatisfied because our contractor did a poor job installing the exterior trim. When we decided to replace the rest of the windows, we spent significant time researching contractors and then hired Lake Washington Windows & Doors. After reading reviews from various sites, we met with Jon Wood, a sales rep, in July. He is very knowledgeable, courteous, responsive, friendly and professional and does not use high pressure sales tactics. To address my concerns about the primed trim color not matching the color of my house, he offered to have it delivered in advance so that we could ensure it was painted correctly. Among the 6 bids we received, Jon was the only person who sent a detailed quote. His quote was transparent and his bid was the most competitive. While we highly recommend Jon we were also very happy with the office staff and installation team. The installation team (Mark & Ryan) was very friendly, respectful, focused, meticulous and professional. Before they took out the old windows, they covered the interior side of windows with plastic and tape so that no dust or cold air could come in. They vacuumed the area and carpet after each installation. They cleaned our driveway and yard at the end of each day and cleaned all of the windows when they completed the project. Even our neighbors commented about how impressed they are with the quality of the work. The installation team maintained their friendly, helpful attitude throughout the process (a whole week) and made this a very enjoyable experience for us. Tahlia, a sales coordinator, was on top of scheduling the critical measurement, installation and trim delivery dates. She was thoughtful and professional. Mike came to do the critical measurement and gave us fair amount of useful information that we were not aware of. As an ex-Milgard employee, he was also very knowledgeable, friendly and professional. Dale, a project manager, stopped by a few times during the work and made sure that everything was on track to get the job done right and on time. We chose Milgard because it’s well known for quality products and provides a lifetime warranty. In addition to Milgard's lifetime warranty, Lake Washington also provides a 10-year installation warranty, which is far better than the rest of window contractors we met with.
Date published: 2016-10-02
Rated 5 out of 5 by from beautiful windows We replaced two huge picture windows in the front of our house with Milgard windows, plus two bathroom windows. On one of the bathroom windows we selected "rain" which looks like rain drops sliding down the pane so that people outside cannot see through the glass. Everything is absolutely beautiful and solidly secure. The white trim is perfect and brightens up our house - it feels like we have a new house. I will use Milgard windows again for our next project.
Date published: 2016-09-21
Rated 5 out of 5 by from Great improvement to our home We had Milgard fiberglass windows installed in our home - we immediately noticed the improvement in temperature regulation. And I might add they look great! And....with a recent heavy rainstorm, the inside stayed dry as a bone!
Date published: 2016-09-09
Rated 4 out of 5 by from Fantastic windows, just a few glitches The quality of the windows is great. They were not all ready to be installed on the same day though -- I had to make some assertive phone calls to get them in time, which caused some anxiety, but they eventually made it. One of the mechanisms (to open the lower part of the double hung windows), broke the first time we used it, but they were pretty prompt about replacing it.
Date published: 2016-09-06
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