$460–$1,900/window · 4 featured window replacement partners with confirmed coverage · Ranked by real customer rating
Here are the window replacement companies CO homeowners in and around Denver turn to — ranked by real customer rating, no filler.
Renewal by Andersen consistently earns top marks in the window replacement category — their Fibrex composite frames genuinely outperform standard vinyl on insulation and long-term durability. Customer reviews across their independently-owned regional affiliates confirm this: installers are repeatedly praised for punctuality, cleanup, and craftsmanship, though satisfaction does vary somewhat by which local affiliate handles your installation. Homeowners who pay the premium price (typically 20–30% above mid-range competitors) overwhelmingly report feeling the investment was worthwhile. The in-home design consultation is how RbA tailors each installation to your specific window dimensions and style preferences.
Window Nation pairs exclusive Soft-Lite and Anlin product lines with an Installation Masters’ certified crew network and a Lifetime Plus warranty. Reviews are strong on install-day execution — crews show up on time and finish clean — and the company describes a 50-Point Factory Inspection on every unit before it ships. As with any regional installer network, warranty and follow-up service responsiveness can vary by branch, so keep your paperwork and confirm response-time expectations during the consultation.
Home Genius Exteriors holds Owens Corning Platinum Preferred status (top 1% of contractors) plus James Hardie Elite and CertainTeed 5-Star certifications, and reviews back up the credentials — homeowners repeatedly single out their dedicated project managers for staying in touch throughout the job. Crews are described as fast and considerate of property across windows, roofing, siding, and gutters, not just one specialty. Their promotional "50% off materials" offer explicitly excludes windows and doors — confirm what's actually included before you count on it.
DaBella is a GAF Master Elite and James Hardie Elite Preferred contractor offering roofing, siding, and windows with financing connected through unaffiliated third-party lenders (DaBella itself doesn't originate the loan). Independent review platforms show a wide range depending on where in the customer journey the review was left — ratings skew highest at the initial in-home consultation stage and are more mixed once you look past that first impression, which is worth knowing going in. Get the full warranty terms and financing APR in writing before signing, and don't feel pressured to decide in a single visit.
Resale-value figures are national averages and vary widely by market — see our home improvement ROI guide.
Window Replacement in Denver runs $460–$1,900/window for a typical project. Cost varies most by scope rather than by ZIP code — the difference between a small repair and a full replacement is far larger than the difference between two metros. The table below breaks that range down by job type, with each figure adjusted for local labor rates in this market.
| Project type | National range | Denver estimate |
|---|---|---|
| Full Home Replacement | $6,000–$24,000 | $6,060–$24,240 |
| Bay / Bow Windows | $2,500–$8,000 | $2,525–$8,080 |
| Sliding Patio Doors | $1,800–$6,000 | $1,818–$6,060 |
| Storm Window Upgrade | $800–$3,000 | $808–$3,030 |
| Casement / Specialty | $400–$2,200 each | $404–$2,222 each |
Local estimates apply a +1% adjustment derived from the local wage for this trade. Based on mean hourly wages for carpenters in the Denver-Aurora-Centennial, CO area versus the national mean (US Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025), applied to the labor share of the job. National ranges are market-wide averages; a written quote from a local contractor is the only figure that reflects your actual home.
New to this? Our window replacement guide explains the options, what separates a repair from a replacement, and what drives the price — then come back here for what is specific to Denver.
Window Replacement in Denver typically costs $460–$1,900/window for a standard project on an average home. That is about 1% above the national average for this trade in this metro, on local wages. Every company below serves Denver and is ranked by real customer rating.
The questions below are the ones homeowners in Denver ask most often before booking window replacement — what it costs locally, whether a permit is needed, how long the work takes and how to tell a good quote from a bad one. Answers reflect this market specifically, not national averages.
Permit requirements for window replacement depend on the scope of your project and the municipality you are in, and Denver is rated moderate on permit complexity relative to other metros we cover. Ask each contractor who pulls the permit, whether the fee is inside their quote, and to show you the approved permit in writing before work starts.
Permitting in this area goes through Denver Community Planning and Development. Document all hail events for insurance.
There is no Colorado state license for window replacement — this work is governed locally. (source, verified as of 2026-08-12) What that means and how to verify a contractor in Colorado →
Installed cost in Denver lands within about a percentage point of the national average for this trade. That figure is not a cost-of-living index — it is built from Bureau of Labor Statistics wage data for the Denver-Aurora-Centennial, CO metro area, weighted by the roughly 26% of a window replacement job that is labor rather than material.
Local trade wages sit about 4% above the national figure, but the installed price moves less than that, because material ships at national prices no matter where you live. This is why a quote from a high-wage metro is rarely as far above the national average as people expect — and why a suspiciously cheap quote in an expensive market is worth a second look.
Source: Bureau of Labor Statistics OEWS wage data for the Denver-Aurora-Centennial, CO metro area, weighted by trade labor share. See our cost methodology.
Window Nation is one of our partners with dedicated coverage in this market. Window Nation pairs exclusive Soft-Lite and Anlin product lines with an Installation Masters’ certified crew network and a Lifetime Plus warranty. Reviews are strong on install-day execution — crews show up on time and finish clean — and the company describes a 50-Point Factory Inspection on every unit before it ships. As with any regional installer network, warranty and follow-up service responsiveness can vary by branch, so keep your paperwork and confirm response-time expectations during the consultation.
We match contractors serving Denver and the surrounding communities listed below. Coverage is by service area rather than by ZIP code, so a company working one side of the metro will usually quote the other. If your area is not shown, it is still almost certainly covered.
Comparing markets, or moving? These are the other Colorado metros we cover for window replacement. Local labor rates are the main reason the same job prices differently across a state, so a quote that looks high in one metro can be normal in another an hour away.
We match homeowners in Denver across every major exterior and interior trade. The same contractor network and the same free-quote process apply, so if you are planning more than one project it is worth requesting quotes together — crews often price a combined job more keenly than two separate visits.
Planning window replacement in Denver usually comes down to four questions: what it costs, who does it well, how to pay for it, and what to ask before you sign. Everything below answers one of those, and the cost figures are calculated from published material prices and local wage data rather than collected from other sites.
