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Windows On Washington, Ltd.

Licensed

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Existing window removal needed

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About

Locally and family owned since 2005, Windows on Washington delivers a truly white-glove home improvement experience. Our in-house experts handle every detail - from honest guidance and product selection to precise installation - so the process is seamless, efficient, and stress-free. We focus on high-performance windows and doors that elevate both the beauty and energy efficiency of your home, with craftsmanship and professionalism you can trust.

Overview

Hired 28 times

Serves Sterling, VA

Background checked

License verified

25 employees

21 years in business

Business hours

SunClosedMon10:00 am - 7:00 pm

Payment methods

This pro accepts payments via Cash, Check, and Credit card.

Social media

Facebook, Instagram

Credentials

License verified

HIC – Contractor – Home Improvement

License state: VA

Background checked

Passed by Tara Novotny on Nov 28, 2022.

Services offered

Window type

Double hung (slides up and down)

Sliding (slides sideways)

Fixed / picture (does not open)

Casement (pushes open on a hinge)

Property type

Residential

Projects and media

Reviews

Excellent 4.9

149 reviews

5

93%

4

3%

3

1%

2

1%

1

2%

This pro's rating is a combination of reviews posted by customers both on and off of Thumbtack. Thumbtack cannot verify external reviews.

Read reviews that mention:

Ashelly C.

Nov 26, 2025

•

From Google

Joon and his crew did a superb job with our windows! Best experience weve had thus far with a house project and weve had a lot done! Definitely worth your time, energy and money investing with Windows on Washington! Well done guys! Ash and Steve Cook

Windows On Washington, Ltd.'s reply

Hey Ash! Thank you so much for this great review! We are so thrilled you had a "WoW" experience - we truly strive to go above and beyond on every project. Enjoy your beautiful new windows!

Chris Z.

Dec 1, 2025

•

From Google

WoW was absolutely amazing installing 23 OKNA DH windows. They are beautiful and feel so well made. Lowest air infiltration on the market. Competitive pricing. Joon and his team were also incredible before and during the install. Impeccable work. Excellent clean up. Will never use anyone else for a window or door install. Considering siding with them as well as they are very conscious of using the opportunity to close gaps and create a tighter seal of the house. Very important to us as family member has asthma. Thank you!

Windows On Washington, Ltd.'s reply

Thank you for this fantastic review! We’re thrilled you’re loving your new OKNA windows and that Joon’s team delivered the craftsmanship, care, and clean-up that we’re well known for. It means a lot that you’d trust us again for future projects, and we’d be honored to help with siding when the time comes!

Larry M.

Nov 26, 2025

•

From Google

From start to finish everyone and everything has been fantastic. I could not ask for a better group of contractors. The window color was almost a perfect match to our 8 year old outdoor trim paint color.

Windows On Washington, Ltd.'s reply

Thanks so much for this great review! We’re so glad your experience was fantastic from start to finish, and that the new window color blended so seamlessly with your existing trim. We truly appreciate your trust in our team!

Roger P.

Nov 22, 2025

•

From Google

Windows On Washington, Ltd.'s reply

Igor A.

Dec 4, 2025

•

From Google

Windows On Washington, Ltd.'s reply

FAQs

What should the customer know about your pricing (e.g., discounts, fees)?
We offer premium, American-made window and door products (as well as roofing, siding and gutters) installed by certified, full-time professionals. Our pricing reflects the quality of our materials and installation, but we also provide flexible payment options (including 0% plans) to help homeowners choose the best solution within their budget. Every quote is transparent, with no sales pressure and no surprise fees.
What is your typical process for working with a new customer?
We begin with a no-pressure consultation, either in your home or via Zoom. During this visit, we walk through product options, materials, project scope, timelines, and pricing. You will receive a clear written estimate and a step-by-step explanation of what to expect from initial measurement through installation and follow-up. Our goal is for you to feel informed and confident, never rushed.
What education and/or training do you have that relates to your work?
Windows on Washington is one of the highest-rated exterior remodeling contractors in the DMV, backed by: - Over 20 years of specialized experience - Hundreds of 5-star reviews across Yelp, Google, Thumbtack, and Angi - Factory-trained installation teams - Expertise across windows, doors, siding, roofing, gutters, and exterior insulation - American-made premium quality products, including accessory products like caulking - Industry-leading warranties on both product and installation We specialize in energy-efficient, high-performance exterior upgrades that improve comfort, durability, and curb appeal.