Replacement windows installed cost — Longmont, CO
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 cost to have new windows installed is driven by the type of window chosen and the condition of the existing window frames. If your frames have rot, repairs will add to the total. We ensure everything is installed perfectly to keep your home comfortable year-round. Exact pricing confirmed free on the call.
Frequently asked in Longmont
What's the cost for vinyl replacement windows installed in Longmont?
What's the average cost of replacement windows and installation in Longmont?
How can I replace replacement windows in Longmont?
What is the general window replacement cost in Longmont?
What's the typical window replacement service charge in Longmont?
How much does it cost to install replacement windows in Longmont?
What's the average cost for replacement windows in Longmont?
Also serving nearby: Boulder · Thornton · Westminster · Arvada · Greeley
More on this: ENERGY STAR windows — efficiency ratings.
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: Prospect, Cottonwood, The Peaks, Mountain View, Heritage Village — and every surrounding area.
Areas we serve
Browse by state, then city.