Windows Cost in Ontario, CA in 2026
Most Windows projects in Ontario, CA cost between $5,000 and $21,000. The typical price is $10,000.
Labour and materials in Ontario run about 24% 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 Ontario, CA
| Quality tier | Cost each |
|---|---|
| Budget | $515 |
| Mid-range | $975 |
| High-end | $2,050 |
Window replacement companies in Ontario, CA
Businesses listed on Google near Ontario, CA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Hometime Windows & Doors
4.9(252 reviews)
1081 W 9th St, Upland, CA 91786
SoCal Window Pros
5.0(192 reviews)
8975 Vernon Ave Ste A, Montclair, CA 91763
Design Windows and Doors Inc.
4.4(219 reviews)
504 S Mountain Ave, Ontario, CA 91762
American Window Co - Warehouse
4.9(119 reviews)
14618 Central Ave, Chino, CA 91710
United Builders Windows & Doors
4.9(97 reviews)
13238 White Fir Ct, Rancho Cucamonga, CA 91739
Top of The Trades Windows & Doors Installation
5.0(82 reviews)
1328 N Benson Ave # B, Upland, CA 91786