Egress window installation costs — Seattle, WA

Last updated: September 24, 2026

What affects the price

When you budget for new windows, several factors change the final number. The material you choose—like vinyl, wood, or fiberglass—is usually the biggest driver. You will also see price shifts based on the style of window, such as double-hung versus large picture windows, and the specific energy-efficiency ratings you select. The size of the opening and the complexity of the installation, especially if the existing frames need repair, will also adjust the total. We determine the exact pricing confirmed free on the call.

About this service

Installing an egress window involves specialized masonry work to safely create an opening in your home's foundation. You need this if you are converting a basement into a usable bedroom to meet fire safety codes. The price is typically affected by the depth of the excavation, the type of well system chosen, and any necessary permits. Because every foundation is different, exact pricing confirmed free on the call.

Frequently asked in Seattle

Also serving nearby: Kirkland · Bellevue · Renton · Kent · Federal Way

All cities in Washington →

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

Service area details

Serving all of Seattle — population 755,078; about 8,989 residents per square mile across 84.0 sq mi. ZIP codes covered include 98101, 98102, 98103, 98104, 98105, 98106, 98107, 98108.

Neighborhoods served in Seattle: Capitol Hill, Ballard, Fremont, Queen Anne, West Seattle — and every surrounding area.