Install Multiple Windows Cost in Decatur, IL in 2026
Most Install Multiple Windows projects in Decatur, IL cost between $4,800 and $19,500. The typical price is $9,000.
Per-window pricing falls as the count rises — most installers price a whole-home job below their single-window rate.
Labour and materials in Decatur run about 12% 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 Decatur, IL
| Quality tier | Cost each |
|---|---|
| Budget | $485 |
| Mid-range | $910 |
| High-end | $1,950 |
Window replacement companies in Decatur, IL
Businesses listed on Google near Decatur, IL. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Glass House
4.8(140 reviews)
2895 N Oakland Ave, Decatur, IL 62526
Midwest Siding & Windows
4.8(92 reviews)
2955 N Dinneen St, Decatur, IL 62526
Promax Construction
4.8(90 reviews)
141 W Main St, Decatur, IL 62523
B & B Glass
4.5(85 reviews)
651 E Wood St, Decatur, IL 62523
J J Swartz Company
4.5(64 reviews)
2120 N Oakland Ave, Decatur, IL 62526
All Windows Direct
4.9(31 reviews)
3134 N Water St, Decatur, IL 62526