Window Replacement Cost in Denver (2026)
Average cost in Denver
US$2,076 — US$7,489
US$450 — US$1,350 per sq ft
Cost Breakdown
ItemizedEnergy Star frames and glass
70%
Professional mounting and sealing
25%
Denver municipal building fees
3%
Removal of old units and debris
2%
Sales Tax at 2.9%
📋What's Included
ScopeTypically Includes
- Standard vinyl double-hung windows
- Removal of old windows
- Installation & insulation
- Interior trim
- Cleanup
Typically Excludes
- Custom or specialty shapes
- Triple-pane or premium glass
- Exterior trim or cladding
- Structural modifications
- Bay or bow windows
Based on replacing 10 standard-size windows with vinyl double-hung.
🧮Estimate Your Cost
InteractiveEstimated Cost
US$4,360 — US$6,540
Based on 11 sources and market data for Denver. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
US$5,142
Today
US$5,399
Window Replacement in Denver is ↑ 5.0% compared to roughly a year ago — about US$257 more on the average project.
Comparison derived from the year-over-year change rate, not a month-by-month price index. We don't store historical snapshots yet — when we do, this will become a real time series.
🏢Top Window Replace Contractors in Denver
Verified providersFive Seasons Windows and Doors
4731 S Santa Fe Cir #2, Englewood, CO 80110, USA
271 reviews
Zen Windows Denver
6105 S Main St Suite 200 Office 213, Aurora, CO 80016, USA
190 reviews
Window Doctor Of Colorado
4001 S Federal Blvd, Sheridan, CO 80110, USA
208 reviews
Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.
💬What People Actually Paid
Community❓Common Questions
As of January 2026, House Bill 23-1161 requires all replacement windows in residential structures three stories or lower to be ENERGY STAR certified for the Northern climate zone, which typically increases material costs by 10-15% but improves efficiency.
Denver's high altitude requires windows with capillary tubes or breather valves to equalize pressure between the glass panes. Failure to include these can lead to glass bowing or breakage, adding approximately $20 to $50 per unit in specialized material costs.
Homeowners in the Denver metro area see an average ROI of 56.4% to 85% on window replacements, one of the highest for home improvements in the region due to the extreme temperature fluctuations.
Yes, the City and County of Denver require a building permit for window replacements. Fees typically range from $35 to $220 depending on the total project valuation and the number of units being replaced.
📊Our Methodology
How we collect dataAggregated from 5+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: 4 days ago. Updates run weekly. All costs in USD.
About this data
Cost figures are estimates synthesized from public market data using AI research and refreshed regularly. Real project costs vary by scope, materials, contractor, and site conditions. Always get verified quotes from licensed contractors for your specific project.
Spotted bad data? Let us know — we'll review and update.