Basic
$667 – $1,500 each
White fiberglass casement with low-E double-pane glass, crank operator and single-point lock, installed with interior trim
Replace one standard-size fiberglass casement window, installed with trim.
Fiberglass Casement Window in Portland, Maine typically costs $784 to $1,765 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 fiberglass casement window.
National average: $800 – $1,800 each
$667 – $1,500 each
White fiberglass casement with low-E double-pane glass, crank operator and single-point lock, installed with interior trim
$784 – $1,765 each
Fiberglass casement with low-E argon glass, fold-away crank and multi-point lock, tan frame, sealed and trimmed
$981 – $2,206 each
Fiberglass casement in a dark exterior color with low-E argon glass, simulated divided lites, fold-away crank, multi-point lock
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $349 – $786 | each |
| Labor | labor | $280 – $630 | each |
| Supplies & Other | supplies | $93 – $210 | each |
| Equipment & Disposal | equipment | $62 – $140 | each |
Connect with local fiberglass casement window contractors in Portland for personalized quotes based on your specific project.