Cost to Basement Egress Window Installation in Seattle, WA

$2,560–$7,040 in Seattle

28% above the national average · 1.28x cost multiplier

In Seattle, a basement egress window installation runs $2,560 to $7,040 on average — about 28% above what homeowners pay nationwide. The West Coast market's labor costs account for most of the gap, with material pricing and local permitting fees adding to the spread. Use the cost table below to compare budget, mid-range, and premium options side by side.

Cost Breakdown in Seattle

Line Item	Low	Mid	High
Cost per window	$1920	$4096	$7040
Materials	$1,024	$1,920	$3,840
Labor	$1,536	$2,560	$4,480
Permits	$256	$384	$512
Total	$2,816+28% vs. national avg	$4,864+28% vs. national avg	$8,832+28% vs. national avg

Budget

Basic vinyl egress window in a poured concrete or concrete block foundation. Single window well included. Assumes straightforward soil and grade conditions.

Mid-Range

Mid-range vinyl or fiberglass egress window, galvanized steel window well with drainage gravel, and proper waterproofing around opening. Average soil and depth conditions.

Premium

Premium window with masonry lintel, deep excavation in difficult soil, custom window well with cover and escape ladder, waterproofing membrane, and drain connection.

Material Options

Material prices below are national averages; availability in Seattle may shift costs slightly.

Material	Cost/Unit	Pros	Cons	Best For
Vinyl Egress Window	$300-$700/window	Most affordable, low maintenance, good insulation	Less premium look, can fade over time	Most residential egress installsMost affordable, low maintenance, good insulation
Fiberglass Egress Window	$500-$1,200/window	Stronger than vinyl, won't warp, paintable	Higher cost	Premium basements, cold climatesStronger than vinyl, won't warp, paintable
Steel Window Well (Corrugated)	$60-$150	Most common, affordable, durable	Can rust over time without maintenance	Standard installationsMost common, affordable, durable
Polycarbonate Window Well	$150-$400	Won't rust, clear panels let in light, attractive	Can crack in extreme cold	Premium installs, maximizing natural lightWon't rust, clear panels let in light, attractive
Masonry Window Well	$500-$1,500	Custom look, very durable, matches house exterior	Most expensive, requires masonry work	High-end basement conversionsCustom look, very durable, matches house exterior

Other Projects in Seattle

Full Kitchen Remodel

Full Bathroom Remodel

Composite Deck Building

Back to national average for Basement Egress Window Installation

Seattle Estimate

Typical Range

$2,560–$7,040

vs. National Average

28% above national

Cost Multiplier

1.28x

Cost Per window

$1920–$7040

Estimates apply Seattle's 1.28x regional cost multiplier to national averages. Actual bids vary by contractor, project scope, and timing.

See national average costs →