Basic
$1,428 – $3,808 each
White vinyl three-unit bay, fixed center with casement flankers, double-pane low-E, paint-grade seat and head boards, trim

Install a vinyl three-unit bay window (fixed center, operable flankers) in an existing bay opening, with seat/head boards and trim.
Vinyl Bay Window in Portland, Oregon typically costs $1,680 to $4,480 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 15.0% higher than the national average for vinyl bay window.
National average: $1,500 – $4,000 each
$1,428 – $3,808 each
White vinyl three-unit bay, fixed center with casement flankers, double-pane low-E, paint-grade seat and head boards, trim
$1,680 – $4,480 each
White vinyl bay with low-E argon glass, casement flankers, oak veneer seat and head boards, interior trim
$2,100 – $5,600 each
Vinyl bay with exterior color, casement flankers, low-E argon, grilles between the glass, stain-grade oak seat and head boards
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $709 – $1,890 | each |
| Labor | labor | $656 – $1,750 | each |
| Supplies & Other | supplies | $189 – $504 | each |
| Equipment & Disposal | equipment | $126 – $336 | each |
Labor costs in Portland run proportionally higher than materials, which may favor material-heavy solutions.
BuildX Pro researches and reviews the national price range for Vinyl Bay Window, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Nov 2026.
Connect with local vinyl bay window contractors in Portland for personalized quotes based on your specific project.