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← Windows cost calculatorMontana: At national base

Montana cost guide

Window Replacement cost in Montana

Montana window replacements run 5-12% above national — large state, thin installer pool outside Billings/Missoula. Below are 2026 windows cost ranges adjusted for Montana, plus a state-specific estimator and FAQ.

Window Replacement cost in Montana — 2026 estimate guide
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Montana renovation cost vs. the U.S. average

Montana tracks the national baseline. Here's what does and doesn't drive cost in Montana, and how it compares to neighboring states.

Read the Montana cost-driver breakdown

Windows cost in Montana vs. the U.S. average (2026)

Mid-range total cost (small / medium / large project sizes), state-adjusted vs. national baseline.

Small job

≈ U.S. avg

1–5 windows

$2,574–$6,435

U.S. avg: $2,574–$6,435

Medium job

≈ U.S. avg

6–15 windows

$7,865–$18,590

U.S. avg: $7,865–$18,590

Whole-house

≈ U.S. avg

16+ windows

$17,160–$37,180

U.S. avg: $17,160–$37,180

Cost ranges in Montana

Total project ranges (low–high) by size and quality tier. Includes labor, materials, permits, and 10% contingency.

SizeBudgetMid-rangeHigh-end
Small job
1–5 windows
$1,980 – $4,950$2,574 – $6,435$4,356 – $10,890
Medium job
6–15 windows
$6,050 – $14,300$7,865 – $18,590$13,310 – $31,460
Whole-house
16+ windows
$13,200 – $28,600$17,160 – $37,180$29,040 – $62,920

Ranges scope: Vinyl. For other scopes (fixtures, layout changes, etc.) use the full windows calculator.

All ranges are built from publicly available contractor data and industry benchmarks, then adjusted for Montana using labor and material indices. Updated twice yearly. Always get 3+ written bids before committing.

What drives windows pricing in Montana

The three structural factors that make Montana track close to the national average for renovation projects in 2026.

Climate Zone 6 spec

Montana requires U-factor ≤0.30. Triple-pane common in higher elevations.

Drive-time premiums

Outside major metros, drive time can add 15-30% to small jobs.

Wildfire smoke filtration

Some homes spec enhanced weatherstripping to limit summer smoke infiltration.

Full Montana cost-driver breakdown

Montana window replacement pricing by metro

Typical 2026 installed cost for a single mid-tier vinyl double-hung replacement window (35-39" wide × 49-55" tall, energy-rated Low-E double-pane). Larger windows, triple-pane glass, or fiberglass frames run 35-55% higher. Hurricane impact-rated and stucco full-frame metros include those upcharges.

MetroTypical lowTypical high
Billings$580$1,000
Missoula$600$1,040
Bozeman$640$1,100
Great Falls$560$960

Methodology: per-window installed cost including product, standard install labor, disposal, and standard flashing. Multiply by your total window count for a project estimate, then add 10-15% contingency. Use the calculator below for a precise per-project number factoring in your home's window count and project scope.

Montana vs. neighboring states (windows cost)

Relative cost-index versus each bordering state. Useful if you're sourcing materials, vetting cross-border contractors, or weighing where to take on the project.

Compare all 11 project types across Montana metrosSide-by-side 2026 pricing for kitchen, bathroom, roofing, solar, windows, and 6 more.Open metro hub

Windows cost FAQs for Montana

Read the full guide

Long-form articles with budgeting tips, contractor advice, and what to watch out for.

More cost guides for Montana

Windows cost in other states