Serving Denver & 20 metro communities
Denver-area home with new replacement windows and the Rocky Mountain foothills behind it

Denver Metro, Colorado

Replacement Windows Denver

Straight answers on what your windows actually need, what it should cost at 5,280 feet, and who is licensed to do the work in your city. Call-first guidance, no pressure.

Licensed & insured installers

Vetted for your city's permit process.

High-altitude glass

Units rated for Front Range elevation and UV.

Built for Colorado weather

Wind, hail, and 60-degree swings in a day.

What we help with

Every quote starts with the openings you actually have, not a package sold off a brochure.

Double-Hung Window Replacement

The Denver metro workhorse. Both sashes tilt in, so second-story windows can be cleaned from inside instead of off a ladder.

Casement & Awning Windows

Crank-out sashes seal tight against front-range wind, which makes them a strong pick on west-facing walls.

Sliding & Picture Windows

Wide openings that keep mountain views open with minimal frame in the way.

Bay & Bow Windows

Projected assemblies that add light and a seat where a flat wall used to be.

Egress & Basement Windows

Finishing a basement bedroom in Colorado means meeting egress opening size and sill height rules.

Energy-Efficient Glass Packages

Denver sits at 5,280 feet with roughly 300 sunny days, so glass choice matters more than frame color.

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Bright Colorado living room with a large new replacement window

Why Denver windows fail early

  • Insulated glass sealed at sea level stresses at 5,280 feet unless it is built for altitude.
  • Roughly 300 days of sun a year breaks down seals, gaskets, and exterior finishes faster.
  • Hail season turns a cosmetic issue into a structural one in about ten minutes.
  • Swings from 65°F afternoons to freezing nights cycle every joint in the assembly.
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Where we work

Twenty Denver metro communities, each with its own permit desk, HOA rules, and exposure.

Common questions

How much do replacement windows cost in the Denver metro?
Pricing depends on opening size, frame material, glass package, and whether the install is a pocket insert or a full-frame replacement. A whole-home project usually lands in a wide range, which is exactly why we quote per opening after seeing the home rather than publishing a single number.
Do I need a permit to replace windows in Denver?
Most Colorado jurisdictions require a permit when windows are replaced, and always when an opening is enlarged or cut in for egress. Requirements differ between Denver, Jefferson County, Arapahoe County, and individual city building departments, so we confirm the local process for your address before work is scheduled.
What does high-altitude glass mean?
Insulated glass sealed at sea level can bow or stress at 5,280 feet because the trapped air expands. Manufacturers either build units for altitude or add breather tubes that equalize pressure during transport. We make sure the units quoted are rated for Front Range elevation.
Is a pocket insert or full-frame replacement better?
If the existing frame is square, dry, and sound, a pocket insert keeps your interior and exterior trim untouched and installs faster. If there is rot, failed flashing, or you want to recover glass area, full-frame is the honest answer even though it costs more.
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Installer leveling a new replacement window in a brick opening

Talk to a Denver window pro today

Call and talk through your openings, your timeline, and what it should cost. No obligation.

Call (720) 441-6938