Flat Roof Replacement cost: Commerce City vs Denver (2026)
Flat roof replacement costs about the same in Commerce City and Denver in 2026 — roughly $11,500 in each.
Commerce City CO
Typically around $11,500
Denver CO
Typically around $11,500
Commerce City vs Denver: full breakdown
| Factor | Commerce City | Denver |
|---|---|---|
| Typical 2026 cost | $11,500 | $11,500 |
| Estimated range | $5,900–$17,100 | $5,900–$17,100 |
| Labor index (vs US) | ×1.09 | ×1.09 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.03 | ×1.03 |
| Local permit | $300 | $300 |
| Labor share | $6,900 | $6,900 |
| Materials/equipment | $4,600 | $4,600 |
Flat roof replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Basically a tie — focus on the contractor
Neither metro has a cost edge on flat roof replacement — spend your decision-making energy on the contractor, not the location.
Flat roof replacement by type: Commerce City vs Denver
Below, each flat roof replacement option is priced independently for both cities, with identical local labor, climate and permit logic applied — so the comparison holds up.
| Type | Commerce City | Denver |
|---|---|---|
| EPDM (rubber) | $5,900–$13,750 | $5,900–$13,750 |
| TPO | $7,050–$14,850 | $7,050–$14,850 |
| PVC | $8,150–$17,100 | $8,150–$17,100 |
| Modified bitumen | $5,900–$12,650 | $5,900–$12,650 |
| Built-up roofing (BUR) | $7,600–$16,000 | $7,600–$16,000 |
Flat roof replacement numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Flat roof replacement by roof size: Commerce City vs Denver
Flat and low-slope roofs are priced per square (100 sq ft) and run about $3–$11 per sq ft installed, depending on the membrane. The roof area is close to the footprint since there's little pitch.
| Size | Commerce City | Denver |
|---|---|---|
| 1,000 sq ft (10 squares) | $4,800–$9,850 | $4,800–$9,850 |
| 1,500 sq ft (15 squares) | $5,900–$12,650 | $5,900–$12,650 |
| 2,000 sq ft (20 squares) | $7,050–$16,000 | $7,050–$16,000 |
| 2,500 sq ft (25 squares) | $8,700–$18,250 | $8,700–$18,250 |
| 3,000+ sq ft (30 squares) | $10,400–$21,600 | $10,400–$21,600 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national flat roof replacement range for local labor, climate and permits.
What roofing pros earn in each metro
Roughly 60% of what you pay for flat roof replacement is labor, which is why local wages explain most of the price gap. The numbers below are actual metro wages for skilled installers, sourced from BLS OEWS — not guesses.
Denver-Aurora-Centennial metro · about 15% above the US average installer wage.
Denver-Aurora-Centennial metro · about 15% above the US average installer wage.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
Cheapest time for flat roof replacement in either city
Why summer costs more: it's the only stretch shingles seal reliably, so every storm-damaged roof in the region is competing for the same crews. Reserve a spring slot during the slow winter season and you're not in that queue.
Where does a smart roofing budget go in 2026?
Before you compare roofing bids, know that the biggest variables are hidden: whether the crew tears off or lays over, what grade of shingle goes down, and what the decking looks like once it's exposed. Each one can shift the total well past the advertised price.
The value case
Architectural shingles sit between bargain 3-tab and premium metal or tile, and for most houses that middle ground is exactly right. They carry longer wind and wear ratings than 3-tab for a small step up in price, without the four-figure jump metal or tile demands.
The risk case
Nail down the per-sheet decking rate in writing before anyone climbs up. Soft or rotted plywood is the most common mid-job discovery, and without an agreed number the crew names the price after they've already found the damage — turning a cheap quote into an open tab.
The do-it-right case
A full tear-off lets the crew replace underlayment, flashing and ventilation while the deck is exposed — the layers that actually keep water out. Covering old shingles with new ones costs less on install day, but the trapped heat shortens shingle life, and many manufacturers won't honor a warranty on an overlay.
Three habits keep a roof from costing more than it should: strip to the deck, choose an architectural shingle, and get the decking-repair rate on paper before the tear-off begins. Storm season tends to produce the lowest bids and the shortest-lived roofs.
Commerce City vs Denver
Is flat roof replacement cheaper in Commerce City or Denver?
There's no meaningful difference: flat roof replacement runs about $11,500 in both places.
Why does flat roof replacement cost more in Denver than Commerce City?
Labor rates explain most of it — 1.09 in Denver vs 1.09 in Commerce City. A cold climate versus cold accounts for the rest.
How much is flat roof replacement in Commerce City, CO?
flat roof replacement in Commerce City runs $5,900–$17,100 as of 2026 — most jobs land near $11,500.
Do roofing pros really charge more in one city?
Yes — and the wage data shows it. A skilled installer earns about $35.7/hr in the Denver-Aurora-Centennial area versus $35.7/hr around Denver-Aurora-Centennial (BLS metro wage data). Since labor is roughly 60% of a flat roof replacement job, that wage gap is the biggest reason the installed prices differ.
When is the cheapest time to buy flat roof replacement — and does it differ by city?
It doesn't vary by location — Late spring to early fall (dry, 45–85°F) is the discount window in both Commerce City and Denver (roughly 5–10% off), while mid-winter and the post-storm rush tends to be the most expensive in either city.
Should I choose where to live based on flat roof replacement cost?
Cost shouldn't be the deciding factor between Commerce City and Denver — they land at nearly the same price. Contractor reputation, scope, equipment tier and timing matter more.
Compare flat roof replacement in other cities
Updated June 2026 · By Serhat Özçelik