Basic
$886 – $1,340 per project
White vinyl bay with fixed center and two operable flankers, low-E double-pane glass, plywood seat and head board, flashed and capped
Photo: Gtashutters.com · CC BY-SA 4.0 · Source
How Much Does Install Bay Window Cost in Portland, Maine?
Install Bay Window: national installed price range, materials and labor breakdown, and local pricing by ZIP code.
Install Bay Window in Portland, Maine typically costs $1,043 to $1,577 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Install Bay Window in Portland, Maine
$1,043 – $1,577
per projectPrices in Portland are 1.0% lower than the national average for install bay window.
National average: $1,064 – $1,608 per project
What you get at each price level
Standard
$1,043 – $1,577 per project
White vinyl bay with fixed center and operable flankers, low-E argon double-pane glass, insulated seat and head board, veneer seat, aluminum-wrapped trim and cap
Premium
$1,304 – $1,971 per project
Vinyl bay in a dark exterior color with fixed center and operable flankers, low-E argon glass, insulated seat and head board, oak seat, prefinished metal roof cap
Cost Breakdown in Portland
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $464 – $702 | job |
| Labor | labor | $372 – $563 | job |
| Supplies & Other | supplies | $124 – $187 | job |
| Equipment & Disposal | equipment | $83 – $125 | job |
Prices adjusted for Portland local market conditions.
Cost Factors in Portland, Maine
What Affects Pricing
- Materials ($478.60-$723.67 per project)
- Labor ($372.24-$562.85 per project)
- Supplies & Other ($127.63-$192.98 per project)
- Equipment & Disposal ($85.08-$128.65 per project)
Local Price Adjustments
Material costs3.0% below avg
Labor costsAt national average
Frequently Asked Questions
How we price this
BuildX Pro researches and reviews the national price range for Install Bay Window, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Sep 2026.
- Construction wages by metro and rural area, used for the labor adjustment by ZIP code, U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025
- Regional price parities for goods, used for the materials adjustment by ZIP code, U.S. Bureau of Economic Analysis, 2024
Get Free Estimates in Portland
Connect with local install bay window contractors in Portland for personalized quotes based on your specific project.