Basement window installation cost — Federal Way, WA
Last updated: September 24, 2026
Local housing snapshot: Federal Way, WA
- Population: about 99,000
- Median year homes were built: 1984
- Homes built before 1980: 42%
- Owner-occupied homes: 56%
Older homes can mean different materials, wiring, venting or permit needs. Mention your home's age when you contact a provider.
Source: U.S. Census Bureau, American Community Survey 2019–2023 5-year estimates.
What affects the price
When you look at replacing windows, the final number depends on a few moving parts. The biggest factor is the frame material—vinyl is usually the most budget-friendly, while wood or fiberglass carries a higher price tag. The style of window also matters; a simple double-hung unit costs less to install than a large bay or bow window. You will also want to consider the glass packages, like double versus triple pane, which affect energy efficiency. Complexity of the job, such as needing lead paint remediation or structural repairs, can add to the total. Exact pricing confirmed free on the call.
About this service
Installing or upgrading basement windows requires careful attention to drainage and safety codes. Costs typically vary based on whether we are cutting through concrete, installing a window well for egress safety, or simply replacing an existing frame. If your current basement windows are leaking, fogging, or failing to meet local emergency exit requirements, it is time to upgrade. We ensure the installation prevents water seepage. Exact pricing confirmed free on the call.
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Also serving nearby: Tacoma · Kent · Renton · Seattle · Bellevue
More on this: DOE window guidance — install vs replace decisions.
Service area details
Serving all of Federal Way — population 97,701; about 4,375 residents per square mile across 22.3 sq mi. ZIP codes covered include 98003, 98023, 98063, 98093.
Neighborhoods served in Federal Way: The Summit, The Springs, The Lakes, The Villages, The Meadows, The Heights — and every surrounding area.
Areas we serve
Browse by state, then city.