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Window Replacement in Fort Collins, CO

Compare 5 local window replacement pros. Typical service: $482–$1156.

Top Window Replacement Companies in Fort Collins

  1. 1.Glass Doctor of the Front Range

    4.9★ (953 reviews)

    4.9★ from 953 reviews

    +19703720557Website

  2. 2.Nex-Gen Windows & Doors Fort Collins | Window Installers Loveland | Entry Doors Greeley & Longmont

    4.9★ (518 reviews)

    4.9★ from 518 reviews

    +19706703667Website

  3. 3.Lomax Window & Door Co.

    4.6★ (44 reviews)

    4.6★ from 44 reviews

    +19702253869Website

  4. 4.Bellwether Windows, Siding, & Doors

    5.0★ (18 reviews)

    5.0★ from 18 reviews

    +19707166440Website

  5. 5.Built With Pride

    5.0★ (5 reviews)

    5.0★ from 5 reviews

    +19708186997Website

Window Replacement Cost in Fort Collins

Local ranges, adjusted for area wage and cost-of-living data.

ServiceTypical range in Fort Collins
Replacement window, installed$482–$1,156/window
Wood or fiberglass window, installed$770–$1,541/window
Whole-house replacement (10-15 windows)$4,815–$14,445/job

Window Replacement prices in Fort Collins run about 4% below the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.

Quotes on this page come from 5 companies serving Fort Collins, rated 4.9★ on average across 1,538 customer reviews.

Fort Collins Climate & Seasonal Timing

What Fort Collins's weather means for scheduling window replacement.

Last spring frost
April 30
First fall frost
October 5
Annual precipitation
16.1"
Heating degree days
5,918
Cooling degree days
569
MonthLowHighPrecip
Jan17.9°44.2°0.4"
Feb20.9°46.5°0.4"
Mar28.2°54.7°1.59"
Apr35.5°62.2°2.06"
May44.5°71.1°2.43"
Jun52.6°80.4°2.17"
Jul58.5°86.6°1.71"
Aug56.7°84°1.6"
Sep47.5°75.9°1.33"
Oct36.4°63.9°1.15"
Nov25.9°51.4°0.76"
Dec17.7°42.8°0.5"

NOAA station data 2.23 miles from Fort Collins.

Permits & Regulations in CO

  • Colorado has no statewide painting or general contractor license; requirements are set by each city and county
  • Remodeling that needs a building permit generally requires a locally licensed contractor
  • Work that disturbs paint in homes built before 1978 must be done by a Lead-Safe Certified firm under the EPA Renovation, Repair and Painting Rule

License required: No state painting or remodeling license; local licensing

Sources: www.denvergov.org, www.epa.gov

Window Replacement FAQs for Fort Collins

How much does window replacement cost in Fort Collins?

Replacement windows in Fort Collins typically run $482-$1156 per window installed, depending on frame material and glass.

How many window replacement companies serve Fort Collins?

We track 5 window replacement companies serving Fort Collins.

Is window replacement in Fort Collins more expensive than average?

Installation labor in Fort Collins runs about -3.7% versus the national average.

Do I need a permit to replace windows in Fort Collins, CO?

In CO, Colorado has no statewide painting or general contractor license; requirements are set by each city and county. Same-size replacements in Fort Collins often need no permit, but enlarging an opening does, and pre-1978 homes fall under the EPA lead-safe rule.

Do energy-efficient windows pay off in Fort Collins?

Fort Collins sees about 5,918 heating degree days and 569 cooling degree days a year, which sets how much better glass saves on heating versus cooling.

What type of glass suits windows in Fort Collins?

With summer highs near 87F and winter lows around 18F in Fort Collins, the low-E coating and frame insulation matter more than the brand.

How many quotes should I get for window replacement in Fort Collins?

Three is typical; with 5 window companies serving Fort Collins, compare the window model and installation method, not just the per-window price.

How long does window replacement take in Fort Collins?

A whole-house job in Fort Collins is usually one to three days of installation, after a lead time of several weeks for custom-sized windows.