Washington, DC Window Experts

Washington, DC's Trusted Window Replacement

Diligent Exterior Remodeling Offers a Full Range of Expert Window Services in Washington, DC, and the Surrounding Area.

Find Out Why Replacement Windows Are Such a Great Investment

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When you’re investing your hard-earned cash in replacement windows, it makes sense to select the most reputable window company in the Washington, DC area. Get in touch with us today to book a free estimate.

Our Window Replacement Process

1. Request a Free No-Obligation Estimate

To schedule a complimentary, no-obligation quote, please give us a call or fill out our online contact form. Our team will then arrange for one of our window specialists to visit your home and review your existing windows.

2. Approve the Estimate

After you’ve seen and accepted your window replacement estimate, we’ll schedule your project for a day and time that’s convenient for you. We’ll also discuss the cost of your window replacement and the estimated duration of the project so there are no surprises.

3. We Get To Work

We’ll do a final inspection of your new windows to ensure that you’re happy with the results. We’ll also go over our product warranties with you. 

4. Final Checks and Warranty

When the work is complete, we do a final check to make sure that you’re completely satisfied with everything. We’ll also go through the warranty policy and answer any questions you might have.

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What We Offer in Washinton, DC !

We’re a local firm and it has been our pleasure to serve the home and business owners of the Washington, DC area with top-quality window replacements for many years. We work with some of the best window manufacturers in the world and use premium materials on every project.

Our exterior remodeling products are just what you need. We offer best-in-class warranties and use only the highest quality materials from leading brands like Slocomb, ProVia, and Harvey. Plus, for a limited time, you can buy five windows and get the sixth one free. And don’t forget – we offer 0% financing for 18 months for qualifying customers. So why wait? Contact us today to learn more about our exterior remodeling products!

Whimsical Windows for your Home

As professional window contractors, we have years of experience in window installation, repair, and replacement. We offer a huge variety of designs, sizes, and materials to choose from so, whatever the style of your Washington, DC, home or business, we’re sure to have the perfect windows for you.

From arched Palladian townhouse windows and attractive door fanlights to colonial-style multiple-pane windows, four-square, traditional Georgian or Victorian styles, there’s something for everyone.

Awning Windows

If you’re looking for the best of both worlds when it comes to your windows, look no further than our top-of-the-line awning windows. With these windows, you’ll be able to enjoy plenty of ventilation while also staying protected from the rain.

Casement Windows

Casement windows crank open to provide fresh air and top-to-bottom ventilation – perfect for remodeling your home’s exterior. Add a touch of style with new casement windows, available in a range of colors and finishes to match any exterior.

Double Hung Windows

Double Hung Windows are the perfect solution! With operable sashes that slide up and down, you’ll have control over the amount of light and air that comes into your home. Upgrade your property today with our affordable Double Hung Windows.

Garden Windows

 Garden windows are particularly beneficial because they project outward from the house, creating a place to show off decorative pieces or a year-round greenhouse. They also let in natural light and can make a small room appear larger.

Picture Windows

If you’re looking for a way to brighten up your home, consider adding picture windows. Picture windows are energy efficient and can be used in combination with other windows to create the perfect look for your home.

View our gallery of windows and contact us for your free estimate today!

The Cost of Window Replacement in DC

The cost of window replacement is determined by several factors, including the type of window being replaced and the scope of the work. During the estimate process, we’ll discuss the various options available to you so that we can find exactly the right solution for your needs and budget.