How much do windows replacement cost — 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
The cost for replacing windows in your home is determined by factors like the frame material, the type of glass, and whether any repairs are needed to the surrounding wall structure during the installation. Energy-efficient upgrades and decorative hardware also affect the final price. Exact pricing confirmed free on the call.
Frequently asked in Boulder
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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: Newlands, Whittier, Mapleton Hill, Chautauqua, Gunbarrel — and every surrounding area.
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