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Customer Reviews

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Customer satisfaction is what drives us to provide the best quality products and reliable services year after year. We would like to thank our customers that took the time to provide us valuable feedback.

See our most recent reviews below.

For more reviews check out Yelp, Angie's List   & Facebook.

They are experts in their field and a pleasure to work with. 

The installation went really well.  Both young and Joon really showed that they are experts in their field and a pleasure to work with.  We are very happy with our Okna windows and noticed that there is less draft and more sound proofing now.  We haven’t used the doors much - quarantine, but noticed that it is...
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Anges, H | Reston, VA

Meticulous, open and honest

Mr. Kim was amazing throughout the whole process! He was fast, efficient, but also very meticulous about his work. I love my windows! Windows on Washington came earlier than I expected and was so pleased to have them do the work a day after Christmas. That is true dedication! Mr. Kim's attention to detail and...

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Taylor, B | Cheverly, MD

The best I've ever seen.

Take notes, because this is how you do it. Windows on Washington installed a large garden window and small hopper window for us and the work is outstanding. The Okna garden window is now easily the nicest window on the house. The place where it was installed was basically an old window that had been boarded over...

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Jason, M | Berwyn Hts, MD

I now understand that their greatest goal is customer satisfaction

I had initially given a very long review on my project with the team. However, i had a remarkable experience that have changed every negative opinion i have about them. I now understand that their greatest goal is customer satisfaction.. I am glad i gave them a second chance. Look forward to the next project with...

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Chimere O | Annandale, VA

We were impressed with every stage of our project

We were impressed with every stage of our project with Windows on Washington. Brandon's initial visit to discuss our requirements was informative and helpful. When we changed out minds later regarding a couple of the options (but before the order was processed), the company easily accepted our changes. There wasn't...

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Dave, J | Fairfax, VA