Install One Window Cost in Dover, DE in 2026
Most Install One Window projects in Dover, DE 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.
Dover prices track the national average closely. Costs here are close enough to the national picture that the adjustment barely moves the number.
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 Dover, DE
| Quality tier | Cost each |
|---|---|
| Budget | $570 |
| Mid-range | $1,100 |
| High-end | $2,300 |
Window replacement companies in Dover, DE
Businesses listed on Google near Dover, DE. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Bright Side Roofing
4.8(429 reviews)
4 Mifflin Rd, Dover, DE 19904
Safelite AutoGlass
4.3(455 reviews)
4200 N Dupont Hwy #6, Dover, DE 19901
Delmarva Auto Glass Inc
4.7(116 reviews)
1903 S Dupont Hwy, Dover, DE 19901
Renewal by Andersen Window Replacement
4.8(72 reviews)
9706 Nanticoke Business Park Dr, Greenwood, DE 19950
Clark and Sons, Inc.
4.7(57 reviews)
1058 S Little Creek Rd, Dover, DE 19901
Home Genius Exteriors
5.0(26 reviews)
383 W North St Unit A, Dover, DE 19901