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Rendering: Fiberglass Bay Window at the Premium level: Fiberglass bay with fixed center and two double-hung flankers, dark exterior frames, low-E argon glass, wood-look interior finish, insulated seat, cable support

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How Much Does Fiberglass Bay Window Cost in Des Moines, Iowa?

Replace or install one fiberglass bay window unit (three-panel projection), including installation, trim and support.

Fiberglass Bay Window in Des Moines, Iowa typically costs $2,403 to $5,766 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.

Fiberglass Bay Window in Des Moines, Iowa

$2,403 – $5,766

each

Prices in Des Moines are 3.0% lower than the national average for fiberglass bay window.

National average: $2,500 – $6,000 each

What you get at each price level

  • Basic

    $2,042 – $4,901 each

    Fiberglass bay with fixed center and two double-hung flankers, white frames, low-E double-pane glass, insulated seat, cable support, primed boards

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  • Standard

    $2,403 – $5,766 each

    Fiberglass bay with fixed center and two double-hung flankers, tan frames, low-E argon glass, insulated seat, cable support, primed boards

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  • Premium

    $3,003 – $7,208 each

    Fiberglass bay with fixed center and two double-hung flankers, dark exterior frames, low-E argon glass, wood-look interior finish, insulated seat, cable support

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Cost Breakdown in Des Moines

ComponentCategoryPrice RangeUnit
Materialsmaterial$1,058 – $2,538each
Laborlabor$875 – $2,100each
Supplies & Othersupplies$282 – $677each
Equipment & Disposalequipment$188 – $451each
Prices adjusted for Des Moines local market conditions.

Cost Factors in Des Moines, Iowa

What Affects Pricing

  • Materials ($1,125.00-$2,700.00 per unit)
  • Labor ($875.00-$2,100.00 per unit)
  • Supplies & Other ($300.00-$720.00 per unit)
  • Equipment & Disposal ($200.00-$480.00 per unit)

Local Price Adjustments

Material costs6.0% below avg
Labor costsAt national average

Labor costs in Des Moines run proportionally higher than materials, which may favor material-heavy solutions.

Frequently Asked Questions

References

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More Cost Intelligence for Des Moines

Fiberglass Bay Window: national cost guideAll Des Moines cost guides

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