Cost of replacement windows with installation — Ontario, CA

Last updated: September 24, 2026

What affects the price

Replacing windows is a custom project, so the final total depends on a few specific variables. The size and style of the frames you choose—like double-hung versus casement—will change the materials cost. We also look at the glass packages, such as double or triple-pane options, and any energy-efficient coatings that help with insulation. The number of windows being replaced and the current condition of your home’s exterior framing play a role in the labor needed. Exact pricing confirmed free on the call.

About this service

Replacing windows involves removing old units and ensuring the new ones are properly sealed and insulated. You should consider this service if your energy bills are spiking or if you hear too much outside noise. 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: Euclid, San Antonio Heights, Central Ontario, North Ontario, South Ontario — and every surrounding area.