Basic
$487 – $1,460 each
White vinyl casement with dual-pane low-E glass, single-point lock, standard crank, foam-sealed and caulked

Replace one standard-size vinyl/fiberglass casement window, unit and installation.
Replacement Casement Window in Seattle, Washington typically costs $573 to $1,718 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Seattle are 19.0% higher than the national average for replacement casement window.
National average: $500 – $1,500 each
$487 – $1,460 each
White vinyl casement with dual-pane low-E glass, single-point lock, standard crank, foam-sealed and caulked
$573 – $1,718 each
White vinyl casement with low-E argon glass, multipoint lock, fold-away crank, aluminum trim capping
$716 – $2,147 each
Fiberglass casement in a dark exterior color, low-E argon glass, multipoint lock, color-matched fold-away hardware
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $234 – $702 | each |
| Labor | labor | $235 – $704 | each |
| Supplies & Other | supplies | $62 – $187 | each |
| Equipment & Disposal | equipment | $42 – $125 | each |
Labor costs in Seattle run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local replacement casement window contractors in Seattle for personalized quotes based on your specific project.