Flat Roof Replacement cost: Des Moines vs Dubuque (2026)
Budget-wise, flat roof replacement in Des Moines ($10,050) runs 4% more than in Dubuque ($9,700), a roughly $350 spread.
Des Moines IA
Typically around $10,050
Dubuque IA
Lower costTypically around $9,700
Des Moines vs Dubuque: full breakdown
| Factor | Des Moines | Dubuque |
|---|---|---|
| Typical 2026 cost | $10,050 | $9,700 |
| Estimated range | $5,150–$14,950 | $4,950–$14,400 |
| Labor index (vs US) | ×0.95 | ×0.92 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.03 | ×1.03 |
| Local permit | $250 | $250 |
| Labor share | $6,050 | $5,800 |
| Materials/equipment | $4,000 | $3,900 |
Treat these as 2026 localized estimates for flat roof replacement, not quotes from a contractor.
Is the price difference a dealbreaker?
At 4%, this gap is small enough that it's usually swallowed by normal quote-to-quote variation for flat roof replacement — focus on the contractor, not the city.
Flat roof replacement by type: Des Moines vs Dubuque
We localize each flat roof replacement type separately for both metros, applying the same labor, climate and permit adjustments each time, so you're comparing like for like.
| Type | Des Moines | Dubuque |
|---|---|---|
| EPDM (rubber) | $5,150–$12,000 | $4,950–$11,550 |
| TPO | $6,150–$13,000 | $5,900–$12,500 |
| PVC | $7,100–$14,950 | $6,850–$14,400 |
| Modified bitumen | $5,150–$11,050 | $4,950–$10,650 |
| Built-up roofing (BUR) | $6,600–$14,000 | $6,400–$13,450 |
These are 2026 planning figures for flat roof replacement, localized to each city — not formal quotes.
Flat roof replacement by roof size: Des Moines vs Dubuque
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 | Des Moines | Dubuque |
|---|---|---|
| 1,000 sq ft (10 squares) | $4,150–$8,600 | $4,000–$8,250 |
| 1,500 sq ft (15 squares) | $5,150–$11,050 | $4,950–$10,650 |
| 2,000 sq ft (20 squares) | $6,150–$14,000 | $5,900–$13,450 |
| 2,500 sq ft (25 squares) | $7,600–$15,950 | $7,350–$15,350 |
| 3,000+ sq ft (30 squares) | $9,100–$18,900 | $8,750–$18,200 |
All figures are 2026 localized planning estimates for flat roof replacement — get an actual quote before you commit.
Cheapest time for flat roof replacement in either city
The material dictates the season (shingles need warmth to seal), but the price is set by demand, and demand spikes after every regional hailstorm. Booking your spot in the quiet winter months for spring work avoids that spike.
Where does a smart roofing budget go in 2026?
Two roofs of the same square footage can price hundreds apart because of something you can't see from the ground — the deck under the old shingles. Add the tear-off-versus-overlay call and the shingle grade, and you have the decisions that actually move the number.
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
Pay for a full tear-off and quality underlayment, flashing and ventilation. An overlay saves money today but traps heat, voids some warranties and costs more at the next replacement.
The two things that actually protect a roofing budget are a real tear-off and a written rate for any deck repairs found along the way. The cheapest post-storm bid usually isn't the cheapest roof, long-term.
Des Moines vs Dubuque
Is flat roof replacement cheaper in Des Moines or Dubuque?
Yes — Des Moines costs more. Expect around $10,050 for flat roof replacement there against $9,700 in Dubuque, about $350 (4%) apart in 2026.
Why does flat roof replacement cost more in Des Moines than Dubuque?
The main driver is local labor rates: Des Moines's labor index is 0.95 versus 0.92 in Dubuque. Climate zone (cold vs cold) also shift the total.
How much is flat roof replacement in Des Moines, IA?
flat roof replacement in Des Moines runs $5,150–$14,950 as of 2026 — most jobs land near $10,050.
When is the cheapest time to buy flat roof replacement — and does it differ by city?
The best window is the same in both Des Moines and Dubuque: Late spring to early fall (dry, 45–85°F), when demand drops and installers discount to keep crews busy — typically 5–10% off peak pricing. The most expensive time anywhere is an emergency replacement during mid-winter and the post-storm rush.
Should I choose where to live based on flat roof replacement cost?
Rarely. The $350 difference is real but one-time, and you can often close most of it in Des Moines by buying in the off-season and getting tighter, apples-to-apples bids. Ongoing factors — energy prices, climate and home condition — matter more over the life of the system.
Compare flat roof replacement in other cities
Updated June 2026 · By Serhat Özçelik