Basement window installation cost — Washington, DC

Last updated: September 24, 2026

What specific symptom or problem do locals in Washington, D.C. notice first that makes them consider window installation? Many residents start noticing increased drafts or higher energy bills, especially as older windows in historic row houses begin to lose their sealing. You might be feeling the chill in winter or the heat in summer more than you used to. It’s a common concern in a city with such distinct seasons. The good news is that getting a clear picture of the costs and options is straightforward. You don’t need to navigate confusing industry jargon or guess at prices. We make it easy to get the information you need to feel confident about your home improvement project. Let’s get your questions answered so you can enjoy a more comfortable and energy-efficient home, whether you're in Georgetown or Capitol Hill. Get started today with a simple call.

What affects the price

Replacing windows involves a few variables that influence the total project cost. The biggest factor is the material you select, such as vinyl, wood, or fiberglass, as well as the style of window, like double-hung versus casement. The condition of your existing frames matters, too; if there is hidden rot or water damage, that requires extra labor to fix. Choosing triple-pane glass for better insulation or adding decorative grids will also shift the final number. Your exact pricing is confirmed free on the call.

About this service

Installing a basement window often involves cutting through concrete or masonry to expand an opening or installing an egress-compliant window for safety. Prices are heavily influenced by the type of material being cut and the need for new window wells. Exact pricing confirmed free on the call.

Frequently asked in Washington

Also serving nearby: Alexandria · Baltimore · Richmond · Reading · Philadelphia

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More on this: DOE window guidance — install vs replace decisions.

Service area details

Serving all of Washington — population 678,972; about 11,107 residents per square mile across 61.1 sq mi. ZIP codes covered include 20001, 20002, 20003, 20004, 20005, 20006, 20007, 20008.

Neighborhoods served in Washington: Georgetown, Capitol Hill, Dupont Circle, Adams Morgan, Shaw, U Street Corridor — and every surrounding area.