HomeCostMeter

Window Replacement Cost Calculator (2027)

Data updated November 11, 2026

$1,808/ window

typical per window

Most projects fall between $958 and $4,000 per window. Based on 1,232 building permits in Chicago, San Francisco and Seattle, Jan 2025 – Nov 2026.

Figures come from high-cost cities; your area may cost less.

Your windows, your ZIP

Add your ZIP for local data · showing the reference range

Reference range · not local

1,232 permits

$12,656

$1,808 / window7 windows

typical (median)
Low
$6,706
High
$28,000

Reference range from 3 cities; local data not yet available.

Based on 1,232 permits in Chicago, San Francisco and Seattle, Jan 2025 – Nov 2026. These are high-cost markets, so costs in your area may be lower.

Cost by city

  • Chicago, ILPer window
    Low (25th percentile)
    $958
    Typical (median)
    $2,406/ window
    High (75th percentile)
    $4,000

    226 permits · Jan 2025 – Nov 2026

  • San Francisco, CAPer window
    Low (25th percentile)
    $1,115
    Typical (median)
    $1,808/ window
    High (75th percentile)
    $3,599

    907 permits · Jan 2025 – Nov 2026

  • Seattle, WAPer window
    Low (25th percentile)
    $1,213
    Typical (median)
    $1,637/ window
    High (75th percentile)
    $2,347

    99 permits · Jan 2025 – Nov 2026

Low / Typical / High are the 25th, 50th and 75th percentile of the declared permit value. Cities with fewer than 20 permits are not published.

What changes the price

Location

the median ranged from $1,637 / window in Seattle to $2,406 / window in Chicago.

Project scope

the high end of the range is more than double the low end, so size, access, tear-off of old material and finish level matter as much as location.

Questions

How much does a window replacement cost?

The typical (median) cost is $1,808 / window. Half of projects fall between $958 / window and $4,000 / window, based on 1,232 building permits in Chicago, San Francisco and Seattle.

How much does a window replacement cost in Chicago?

In Chicago, the median was $2,406 / window, with half of projects between $958 / window and $4,000 / window (226 permits, Jan 2025 – Nov 2026).

How much does a window replacement cost in San Francisco?

In San Francisco, the median was $1,808 / window, with half of projects between $1,115 / window and $3,599 / window (907 permits, Jan 2025 – Nov 2026).

How much does a window replacement cost in Seattle?

In Seattle, the median was $1,637 / window, with half of projects between $1,213 / window and $2,347 / window (99 permits, Jan 2025 – Nov 2026).

How many windows do homeowners usually replace at once?

In Chicago, the median permit covered 7 windows; In San Francisco, the median permit covered 5 windows; In Seattle, the median permit covered 7 windows. That is why the calculator starts at 7 windows.

Where do these numbers come from?

From building permits that U.S. cities publish on their open-data portals. Each permit includes the project cost declared by the applicant. We filter residential projects of this type and report the 25th percentile, median and 75th percentile.

Why might my quote be higher than these figures?

Permit applicants declare the cost themselves and some understate it. Permits also exclude work that does not need one. Treat the high figure as a realistic ceiling for an average project, not a maximum.

About this figure

Source
Residential building-permit records published by Chicago, San Francisco and Seattle
Period
Jan 2025 – Nov 2026 · 1,232 permits
Method
25th / 50th / 75th percentile of the declared project value. Full methodology
Updated
November 11, 2026
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