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Window Replacement Cost in St. Louis, MO
Read what 3 homeowners actually wroteIn St. Louis, window replacement costs typically range from $20,500 to $49,000, with a median price of $21,000 based on recent projects in the area. Homeowners should be aware that prices can reach as high as $77,000 depending on project scope and specifications.
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Shaded band: middle 50% of reports (25th–75th percentile). Median tick in teal.
Most jobs land between $20,100.00 and $71,400.00 (5th–95th percentile). Ignoring 1 outlier below and 1 above.
Based on reports from Apr 2026 (first entries this month).
Data last updated Apr 7, 2026.
Size context is still being collected (0 of 3 reports include home size or system size). Numbers above may not reflect what your specific home would pay. Add a report to sharpen this →
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The underlying prices behind this page.
Purchased and installed 32 Pella windows, a new front door, and a new sliding door with a lifetime warranty from Lowe’s, getting a 10% veteran discount.
Replaced 10 windows and a sliding glass door in a 1227 sqft home for, though got a discount to $50k.
Real homeowner write-ups, locked.
"Got quoted over $20k for 8 windows by Renewal by Andersen in a historic district."
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Related in Windows & Doors: Impact Window Installation, Front Door Installation, Window Installation, Sliding Glass Door Installation.