Cost for replacement windows — Boulder, CO
Last updated: September 24, 2026
What affects the price
Replacing windows involves several variables that change the final bill. The size and style of the window are big factors; fixed glass usually costs less than units that open, like double-hung or casement styles. Your choice of frame material—vinyl, wood, or fiberglass—also shifts the number significantly, as does the glass package you choose for energy efficiency. The complexity of the installation matters too, especially if there is existing rot or if the home needs structural work to fit new frames. Exact pricing confirmed free on the call.
About this service
When planning a budget for new windows, keep in mind that variables like custom sizing, energy-efficient glass coatings, and frame materials will move the final number up or down. Since no two homes are the same, we provide a custom assessment rather than a flat rate. Projects typically fall within a wide range based on these choices and the total volume of windows. Exact pricing confirmed free on the call.
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Also serving nearby: Longmont · Westminster · Arvada · Thornton · Lakewood
More on this: ENERGY STAR windows — efficiency ratings.
Service area details
Serving all of Boulder — population 105,898; about 3,937 residents per square mile across 26.9 sq mi. ZIP codes covered include 80301, 80302, 80303, 80304, 80305, 80306, 80307, 80308.
Neighborhoods served in Boulder: Downtown Boulder, University Hill, Newlands, Mapleton Hill, Chautauqua — and every surrounding area.
Areas we serve
Browse by state, then city.