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Guide Not sure which style fits? Our window types guide walks through every style we install. Read the guide
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Current offer Free sliding glass patio door Part of the current offer: 20% off every window and door. See the offer
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Recent reviews

“Replaced 8 windows. Instal was to take 2 days but they showed up with more crew on the first day and finished that day.” Gary W. · Oct 26, 2026 · Google

“The installation team arrived right on time and were so thorough and polite and careful and efficient! I can’t say enough good things about them! And I love my new door!” J B. · Oct 20, 2026 · Google

“Timing, communication, price - all top notch. Everyone at all levels were great to work with.” Craig C. · Oct 19, 2026 · Google

“Prompt with the service, conscientious while installing the new door and we absolutely love the finished produce.” Ron B. · Oct 19, 2026 · Google

“Luis and Johan crushed it with our new huge living room windows! Clean, fast, professional, courteous, helpful, and looks great!” Benjamin M. · Oct 18, 2026 · Google

“From the first sales rep to the contractors doing the work everything was nice, professional and on time. The windows themselves are nice, good quality and look good.” Angela M. · Oct 15, 2026 · Google

“Luis and Johan did an outstanding job installing the window. Very courteous and professional and great communication!” Monika K. · Oct 13, 2026 · Google

“Ok so you guys actually sell doors or just installation I need to buy a patio French door I need some help with that thank you” Marko J. · Sep 20, 2026 · Google

“The installer crew that came out to my home were timely, pleasant, and professional. A great team- Andy, Denzel, and Marcos!” Diane C. · Sep 14, 2026 · Google

“From start to finish, we had aver positive experience with Lake Washington Windows & Doors. Gustavo & Fato did a great job with the installation.” Samara T. · Aug 14, 2026 · Google

“New windows! Our installerswere amazing super friendly polite and realpros install looks amazing.” Rockin R. · Aug 13, 2026 · Google

“The guys did great work! They were professional and took great care of the removal and install of the sliding door.” Damian W. · Aug 7, 2026 · Google

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Free Replacement Estimate

Start saving energy, lower your heating bill, and improve the appearance of your home. Call the Certified Window and Door Replacement Specialists at Lake Washington Windows at (425) 255-2600 for a Free Estimate! We offer financing and payment plans too.

Expertise.com Best Window Contractors in Seattle 2023

The Seattle Times Best in the PNW 2026 Winner – The People's Choice

The Seattle Times Best in the PNW 2025 Winner – The People's Choice

Top 3 Window Companies in Seattle 2021 – Three Best Rated

ProVia Platinum Dealer 2026

Birdeye Reviews

ProVia and Installation Masters certified window and door installer

Door & Window Market Magazine Top Dealers 2025

info@lakewashingtonwindows.com

Renton Showroom

Located in Renton WA, our brand new, modern showroom has the latest windows and doors from top brands.

Showroom Hours

Monday – Friday: 8:00 AM to 4:00 PM
Saturday & Sunday: Closed

740 SW 34th St #201
Renton, WA 98057

Tacoma Showroom

Located in Tacoma ‘s Fircrest neighborhood, our new window & door showroom serves the greater Tacoma area.

Showroom Hours

Monday – Friday: 8:00 AM to 4:00 PM
Saturday & Sunday: Closed

2073 Mildred St W
Tacoma, WA 98466

Seattle Showroom

Located in Seattle’s U District in The University Business Center, our Seattle showroom serves the greater Seattle area.

Showroom Hours

By Appointment Only

4500 9th Ave NE Suite 300
Seattle, WA 98105

Customer Service Hours

Open 24/7

(Sales, Appointments, General Product Information)

Payments & Financing

We offer competitive financing options for new windows and doors. We also accept Visa, Mastercard, Checks, and Cash.

Licensed, Bonded, Insured

GC License #LAKEWWW901K5

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Lake Washington Windows & Doors services Western Washington. We install to most of King County, Pierce County, Southern Snohomish County, and Kitsap County. If you don’t see your city listed below, please call to see if we can service your home.

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