The cost to replace windows in St. Louis ranges from $290 to $1,150, with most homeowners paying around $620. Your actual cost depends on several factors specific to your home and the St. Louis market.
The Midwest has a strong pool of skilled tradespeople, and labor rates tend to be moderate compared to coastal cities. Union and non-union shops both compete, giving homeowners options on pricing.
Window replacement in St. Louis generally does not require a permit for standard installations. Check with your local building department if your project involves panel work or structural changes.
Energy-efficient windows with low-U values and triple-pane glass pay for themselves faster in cold climates. Proper insulation around frames is critical to prevent drafts and ice buildup.
Handy homeowners with basic tools can handle straightforward window replacement. If your project involves the panel, new circuits, or gas lines, hire a licensed pro. DIY can save $196–$252 in labor.
Compare prices from licensed, insured contractors in St. Louis.
Browse More Windows & Doors Projects →The average cost is $620, with most homeowners paying between $290 and $1,150 depending on project complexity.
A permit is generally not required for standard installations. Check with your local building department for specifics.
Most projects take 1–1 day to complete.