How much does window replacement cost in St Johnsbury, VT?
Regionally adjustedUpdated Prices checked October 20262 sources
In St Johnsbury, window replacement typically runs $3,410 to $11,760, about $7,300 for a typical job. That is the US national range from HomeAdvisor ($3,436 to $11,838) adjusted by the New England factor of 0.99 from the 2025 Cost vs. Value Report. Checked October 2026.
Adjusted for the New England region
- Low
- $3,410
- Typical
- $7,300
- High
- $11,760
Window replacement cost in St Johnsbury, VT
Each row says exactly what the figures are and where they come from.
| Estimate | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| New England estimate | $3,410 | $7,300 | $11,760 | National range × 0.99: the New England / national cost ratio for “Window Replacement | Vinyl” ($21,922 vs $22,073) in the 2025 Cost vs. Value Report | October 2026 |
| US national range | $3,436 | $7,348 | $11,838 | Per project (several windows): typical range of customer-reported projects (HomeAdvisor) | October 2026 |
What drives the cost of window replacement
Number of windows
Per-window prices drop on larger projects.
Window size and type
Picture, bay and skylight windows cost more than standard double-hung.
Glass
Double or triple panes, Low-E coatings and gas fill add cost.
Frame material and brand
Vinyl, wood, fiberglass and aluminum frames are priced differently.
Replacement or new opening
New openings need framing and siding work.
Permits and what's included in St Johnsbury
Permit note
Like-for-like replacements often need no permit, but new or enlarged openings usually do. Check with your building department.
Rules are set locally; confirm with St Johnsbury’s building department.
What’s usually included
- New windows
- Removal of the old windows
- Installation, flashing and sealing
Scopes vary. Get the scope in writing on every quote.
Get window replacement quotes in St Johnsbury
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Top-ranked window installers in St Johnsbury
The top 3 of 5 window installers we rank for St Johnsbury, VT, by CR Score. Paid placement never changes rank.
- #1Portland Glass of BarreCR Score 574.7from 145 Google reviews
- #2Integrity RoofingCR Score 555.0from 83 Google reviews
- #3Smart Installs LLCCR Score 525.0from 57 Google reviews
Window replacement cost in St Johnsbury: questions
How much does window replacement cost in St Johnsbury, VT?
Why is the St Johnsbury price different from the national price?
Do I need a permit for window replacement in St Johnsbury?
What affects the cost of window replacement?
How many window installers serve St Johnsbury?
What is usually included in the price?
Sources
Checked October 2026. Figures are estimates, not quotes.
- HomeAdvisor: Window installation cost · page updated June 17, 2026 · checked October 2026Primary source. Used for: Low, typical and high; drivers.
- Journal of Light Construction: 2025 Cost vs. Value Report: Window Replacement, Vinyl · page updated 2025 · checked October 2026Used for: Regional adjustment ratio.
- Journal of Light Construction: 2025 Cost vs. Value Report, New England division · checked October 2026Used for: Regional factor 0.99 for “Window Replacement | Vinyl”.
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