Basic
$417 – $1,250 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 Portland, Maine typically costs $490 to $1,471 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Portland are 1.0% lower than the national average for replacement casement window.
National average: $500 – $1,500 each
$417 – $1,250 each
White vinyl casement with dual-pane low-E glass, single-point lock, standard crank, foam-sealed and caulked
$490 – $1,471 each
White vinyl casement with low-E argon glass, multipoint lock, fold-away crank, aluminum trim capping
$613 – $1,838 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 | $218 – $655 | each |
| Labor | labor | $175 – $525 | each |
| Supplies & Other | supplies | $58 – $175 | each |
| Equipment & Disposal | equipment | $39 – $116 | each |
Connect with local replacement casement window contractors in Portland for personalized quotes based on your specific project.