Basic
$333 – $1,250 each
Vinyl casement with welded frame, dual-pane low-E glass, white, single crank and lock

Supply and install one standard casement replacement window (vinyl or aluminum, mid-grade) in an existing opening.
Casement Window in Portland, Maine typically costs $392 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 casement window.
National average: $400 – $1,500 each
$333 – $1,250 each
Vinyl casement with welded frame, dual-pane low-E glass, white, single crank and lock
$392 – $1,471 each
Vinyl casement with welded frame, low-E argon glass, multi-point lock, folding crank, white
$490 – $1,838 each
Heavier-frame vinyl casement with low-E argon glass, warm-edge spacers, multi-point lock, folding hardware, factory exterior color
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $175 – $655 | each |
| Labor | labor | $140 – $525 | each |
| Supplies & Other | supplies | $47 – $175 | each |
| Equipment & Disposal | equipment | $31 – $116 | each |
White casement window with a fixed pane and an opening sash over a granite sill
Photo: Livingwood Windows Ltd · CC BY 2.0 · Source
Find a pro to do thisPair of casement windows with grid pattern set in light shingle siding
Photo: Stilfehler · CC BY-SA 4.0 · Source
Find a pro to do thisWood-framed casement window seen from inside with curtains and a garden view
Photo: Nieuw~commonswiki · CC BY-SA 3.0 · Source
Find a pro to do thisConnect with local casement window contractors in Portland for personalized quotes based on your specific project.