Cost of replacement windows installed — Ontario, CA

Last updated: September 24, 2026

What affects the price

Replacing your windows involves several moving parts that change the final bill. The biggest factor is the frame material, as vinyl tends to be more budget-friendly while wood or custom fiberglass options sit on the higher end. You also have to consider the glass packages—things like double versus triple panes or extra coatings for energy efficiency can shift the cost. The complexity of the installation matters, too, such as whether your frames need repairs or if you are switching from a standard window to a bay or bow style. Exact pricing confirmed free on the call.

About this service

The installed cost of your windows includes the new hardware, the glass, and the labor to get them into your wall securely. Prices shift based on whether you need single-hung, double-hung, or specialty windows. We review your requirements and provide a clear, written estimate. Exact pricing confirmed free on the call.

Frequently asked in Ontario

Also serving nearby: Chino · Rancho Cucamonga · Jurupa Valley · Pomona · Fontana

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More on this: ENERGY STAR windows — efficiency ratings.

Service area details

Serving all of Ontario — population 182,457; about 3,650 residents per square mile across 50.0 sq mi. ZIP codes covered include 91758, 91761, 91762, 91764.

Neighborhoods served in Ontario: Central Park, South Ontario, West Ontario, East Ontario, North Ontario — and every surrounding area.