Install One Window Cost in Saint Louis, MO in 2026
Most Install One Window projects in Saint Louis, MO cost between $575 and $2,300. The typical price is $1,100.
A single window carries the full trip and setup charge, so it costs more per unit than a multi-window job.
Labour and materials in Saint Louis run about 4% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Vinyl, fibreglass or wood-clad frames
- Double versus triple glazing and low-E coatings
- Full-frame replacement versus insert into the existing frame
- Custom sizes, bays, bows and arched tops
Usually included
- Windows, frames and hardware
- Removal and disposal of the old units
- Installation, insulation and interior trim
- Exterior caulking and capping
Usually extra
- Rotten sill or framing repair found on removal
- Interior painting
- Permits where required
Unit prices in Saint Louis, MO
| Quality tier | Cost each |
|---|---|
| Budget | $575 |
| Mid-range | $1,100 |
| High-end | $2,300 |
Window replacement companies in Saint Louis, MO
Businesses listed on Google near Saint Louis, MO. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Renewal by Andersen
4.7(2,315 reviews)
13397 Lakefront Dr, Bridgeton, MO 63044
Window Nation
4.7(1,464 reviews)
3655 Pennridge Dr, Bridgeton, MO 63044
Window World of St. Louis
4.6(977 reviews)
3600 Rider Trail S, Earth City, MO 63045
Chaney Windows And Doors
5.0(508 reviews)
2301 Millpark Dr, Maryland Heights, MO 63043
Universal Windows Direct of St Louis
4.6(683 reviews)
11993 Borman Dr, St. Louis, MO 63146
Champion Replacement Windows of St. Louis
4.3(576 reviews)
29 Cassens Ct, Fenton, MO 63026