Cost of window and installation — Longmont, CO

Last updated: September 24, 2026

What affects the price

Replacing windows involves a few variables that influence the total project cost. The biggest factor is the material you select, such as vinyl, wood, or fiberglass, as well as the style of window, like double-hung versus casement. The condition of your existing frames matters, too; if there is hidden rot or water damage, that requires extra labor to fix. Choosing triple-pane glass for better insulation or adding decorative grids will also shift the final number. Your exact pricing is confirmed free on the call.

About this service

The price for window replacement includes the cost of the products themselves and the expertise required to install them safely. You should seek this out if your home is losing heat or if your windows are outdated and posing a security risk. Costs typically range based on customization needs and the specific window style you select for your rooms. We take the time to evaluate your property's requirements. Exact pricing confirmed free on the call.

Frequently asked in Longmont

Also serving nearby: Boulder · Thornton · Westminster · Arvada · Greeley

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More on this: DOE window guidance — install vs replace decisions.

Service area details

Serving all of Longmont — population 98,630; about 3,396 residents per square mile across 29.0 sq mi. ZIP codes covered include 80501, 80502, 80503, 80504.

Neighborhoods served in Longmont: Ute Creek, Prospect, Westminster Heights, Northridge, Old Town — and every surrounding area.