A typical Davenport roof replacement runs $8,200 to $15,200 in 2026 (VHCI v2.0) — Iowa's most affordable market. The City charges a simple $50–$75 flat permit, the $23.29/hr roofer wage is the lowest in Iowa, Mississippi River humidity drives copper-granule shingles, the 2019 flood ran 103 days above flood stage, and the bi-state Quad Cities labor pool keeps crews plentiful. Below the number: the cost forces, the permit, the flood rules, code, climate, the bi-state market, materials, housing, and labor.
As of 2026, replacing a standard 22-square (about 2,200 sq ft) residential roof in Davenport, Iowa costs between $8,200 and $15,200, with a mid-point of $11,200 (VHCI v2.0) — the most affordable major market in Iowa. Those figures come from the Vanderflip Home Cost Index, which builds every number from the U.S. Bureau of Labor Statistics mean roofer wage of $23.29/hour for the Davenport-Moline-Rock Island MSA (SOC 47-2181, the lowest in Iowa), a U.S. Bureau of Economic Analysis Iowa Regional Price Parity of 87.762, and a 1.05 climate modifier, with a $600 tear-off allowance. No proprietary contractor databases are used.
Sources: U.S. Bureau of Labor Statistics OEWS (SOC 47-2181, Davenport-Moline-Rock Island MSA), bls.gov/oes · U.S. Bureau of Economic Analysis Regional Price Parities, bea.gov · NOAA / NCICS Iowa climate summary, statesummaries.ncics.org · Vanderflip Home Cost Index v2.0. Informational only.Adjust material and roof size for a Davenport-specific estimate. All figures derive from the VHCI v2.0 model — BLS wages ($23.29/hr, the lowest in Iowa), BEA price parity 87.762, and the 1.05 climate modifier. Davenport is a 75–80% asphalt market; the Mississippi River humidity makes copper-granule shingles the norm.
Estimate for educational planning purposes only. Not a contractor bid or guarantee.
Davenport is the most affordable major market in Iowa — a standard 22-square replacement runs $8,200 low, $11,200 mid, and $15,200 high (VHCI v2.0), the lowest band of any Iowa metro. Several forces keep it low, and a couple add cost back:
The labor base is public data: the U.S. Bureau of Labor Statistics reports a mean roofer wage of $23.29 per hour (SOC 47-2181) for the Davenport-Moline-Rock Island MSA — the lowest in Iowa. The VHCI loads it for burden and overhead, scales materials by the U.S. Bureau of Economic Analysis Iowa Regional Price Parity of 87.762, applies a 1.05 climate modifier (the lowest of the Iowa cities), and uses a $600 tear-off allowance. Davenport homes are compact, about 1,500 to 1,650 square feet, and the market is 75 to 80 percent asphalt with copper granules for the river humidity.
A reroof in Davenport is about as simple as permitting gets. The City of Davenport Public Works, Building and Development Services division issues reroof permits through the Citizens online Permit Portal.
For a standard reroof, the fee is a flat $50 to $75 — one of the simplest permit structures of any city in our network. That flat fee is voided if a structural trigger applies: replacing more than 10 percent of the sheathing, or altering rafters or trusses, moves the job to a valuation-based permit. A Final Building Inspection is required. The City of Davenport permits independently of Scott County, which charges a separate $50 base fee for properties in its jurisdiction. Confirm which jurisdiction your address falls under before applying.
Davenport enforces the 2015 IRC and IBC under Chapter 15.12 of the Davenport Municipal Code, alongside Iowa Administrative Code Rule 481-301. The roofing-relevant provisions are moderate:
Davenport's defining feature is its relationship with the river. It is the largest city on the Mississippi River without a permanent floodwall, a deliberate civic choice that keeps the riverfront open — but leaves the city exposed. The 2019 flood was the record event, with 103 days above flood stage, one of the longest river floods in modern US history.
Floodplain properties are governed by City Code Chapter 15.44 Flood Damage Prevention. In FEMA Zone AE, the 50 percent Substantial Improvement Rule applies, assessed on the ad valorem (assessed) value: if the cost of improvements exceeds 50 percent of a structure's value, it must be brought into full compliance — meeting the Base Flood Elevation plus freeboard, which for low-lying buildings extends to rooftop mechanical equipment, and a FEMA Elevation Certificate is required.
For most Davenport reroofs the flood rules are not triggered — a standalone shingle replacement rarely crosses the 50 percent threshold. But on a riverside or low-lying property, or where a reroof is part of a larger renovation, Zone AE status can pull the whole project into flood-compliance review. If your home is near the river, confirm your flood zone and the substantial-improvement math before committing.
Davenport is 75 to 80 percent asphalt shingle, and the defining spec is the granule: copper granules for algae resistance against the Mississippi River humidity, the highest in Iowa. Dark algae streaking (Gloeocapsa magma) thrives in the river-valley moisture, and the copper ions that wash down with rain are the standard defense, so most Davenport asphalt roofs are specified that way.
The Quad Cities' manufacturing base — agricultural equipment, aerospace, and food processing — drives commercial TPO and PVC demand on industrial low-slope buildings. Across the rural edges of the metro, economical corrugated steel and 5V-crimp metal are common on homes and farm buildings. For the typical homeowner, though, the practical choice is a copper-granule architectural asphalt shingle: affordable in this low-cost market, and matched to the humid river climate that the area's crews install for day in and day out.
Every figure below is a VHCI v2.0 modeled estimate for the Davenport-Moline-Rock Island MSA, built from BLS wages ($23.29/hr), BEA price parity 87.762, and the 1.05 climate modifier. Modeled estimates, not quotes.
| Material | VHCI Low | VHCI Mid (22 sq) | VHCI High | Primary Davenport Driver |
|---|---|---|---|---|
| Architectural Asphalt | $8,200 | $11,200 | $15,200 | 75–80% of market, value default |
| Copper-Granule Asphalt | $9,300 | $12,700 | $17,300 | Algae resistance, river humidity |
| Standing Seam Metal | $14,800 | $20,200 | $27,500 | Premium / longevity |
| Commercial TPO / PVC | $11,300 | $15,400 | $20,900 | Quad Cities industrial low-slope |
Data: Vanderflip Home Cost Index v2.0 · BLS SOC 47-2181 Davenport-Moline-Rock Island MSA ($23.29/hr) · BEA RPP 87.762 · 1.05 climate modifier · $600 tear-off. Informational only. The architectural asphalt row is the value baseline matching the dominant stock.
Davenport's roofing labor cannot be understood without the river. Davenport and Bettendorf sit on the Iowa side of the Quad Cities; Rock Island and Moline are directly across the Mississippi in Illinois. Roofing crews cross the river bridges daily, so the labor market is genuinely bi-state rather than confined to one city or even one state.
That cross-river flow produces a wage equilibrium. Iowa's open-shop structure sits adjacent to Illinois union labor, and the two settle into a stable middle — which, combined with a deep combined labor pool, keeps Davenport's roofer wage the lowest in Iowa and means minimal contractor backlogs even at peak season. For a homeowner, the practical upside is real: it is usually easier to get competitive bids and schedule work quickly in the Quad Cities than in a single-market metro, because the available crew base is larger and spans two states.
The Quad Cities is a manufacturing region, and that shapes the roofing market's commercial side. The base spans agricultural equipment, aerospace, and food processing, anchored by the I-80 corridor supply chain that runs through the metro. That industrial activity drives steady demand for commercial TPO and PVC roofing on factories, warehouses, and distribution centers.
For residential homeowners, the manufacturing economy matters indirectly: it underpins the deep, stable labor pool that keeps wages low and crews available, and it means local roofing companies often run both commercial and residential divisions. The practical effect is a mature, competitive market — one where a homeowner benefits from the same broad contractor base that serves the area's factories.
Davenport's stock spans steep pre-1940 river-district homes to mid-century ranches to outer suburban builds — each prices differently. Median 1,500–1,650 sq ft compact.
Davenport's $8,200-$15,200 band is the lowest of Iowa's major metros. The drivers all point down: the lowest roofer wage in the state ($23.29, held down by the deep bi-state Quad Cities labor pool), the simplest flat $50-$75 permit, compact 1,500-1,650-sq-ft homes, and Iowa's already-low regional price level (RPP 87.762). Only the Mississippi River humidity and floodplain rules add any complexity, and the humidity mainly shifts the material choice toward copper-granule asphalt (VHCI v2.0).
Davenport has a humid continental river-valley climate. July highs run 84.5 to 86.2°F, with 36.2 to 38.5 inches of rain and 30.4 to 32.5 inches of snow a year — the lightest snowfall among Iowa's metros, since Davenport sits at the state's southeastern corner.
What sets Davenport apart is moisture: summer humidity of 74 to 78 percent is the highest in Iowa, driven directly by the Mississippi River. That persistent humidity encourages algae streaking on shingles — the reason copper granules are nearly standard here — and, combined with freeze-thaw and snow, holds practical asphalt shingle life to about 14 to 17 years, shorter than the Iowa statewide 15 to 18. The lighter snow load is offset by the heavier moisture load, so a Davenport roof is specified to fight humidity and algae more than snow.
Davenport has the lowest roofer wage of Iowa's metros. The U.S. Bureau of Labor Statistics reports a mean roofer wage of $23.29 per hour for the Davenport-Moline-Rock Island MSA (SOC 47-2181), about $47,800 to $48,443 a year, with a median around $22.18 — below Des Moines ($27.90) and Cedar Rapids ($24.85). The deep bi-state Quad Cities labor pool and Iowa's open-shop structure hold the rate down, and they make the market competitive and quick to schedule.
Iowa has no competency license for roofers — it requires contractor registration under Iowa Code Chapter 91C (no exam, administered by the Division of Labor at DIAL). Verification is your responsibility: confirm active Chapter 91C registration, demand current proof of general liability and workers' compensation directly from the insurer, and — if your home is near the Mississippi — specifically confirm the contractor's familiarity with the Chapter 15.44 floodplain rules and the structural triggers that void the flat permit before hiring.
The VHCI generates roofing cost estimates using U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics data (SOC 47-2181, Roofers) for the Davenport-Moline-Rock Island MSA, U.S. Bureau of Economic Analysis Regional Price Parities, and regional climate and building-code modifiers sourced from city, state, and federal government publications. No proprietary commercial construction database is used at any stage. The model starts from the $23.29/hour mean roofer wage — the lowest in Iowa — scales materials by the BEA Iowa RPP of 87.762, applies a 1.05 climate modifier for the river-valley humidity and moderate snow, and calibrates to 22 squares with a $600 tear-off allowance, producing the $8,200 / $11,200 / $15,200 band.
The public sources behind every figure are linked directly so you can audit them: roofer wages at bls.gov; regional price parities at bea.gov; climate history at statesummaries.ncics.org/chapter/ia; city permits at davenportiowa.com; contractor registration at dial.iowa.gov; and housing data at census.gov. These figures are modeled estimates published for educational and informational purposes only — not quotes, appraisals, or construction advice. Always obtain at least three written quotes from licensed, insured contractors before acting. For statewide context, see the Iowa roofing cost hub.
The Vanderflip Home Cost Index puts a typical Davenport roof replacement at $8,200 low, $11,200 mid, and $15,200 high (VHCI v2.0) — the most affordable major market in Iowa. It is built from the BLS mean roofer wage of $23.29/hour for the Davenport-Moline-Rock Island MSA (SOC 47-2181, the lowest in Iowa), a BEA Iowa Regional Price Parity of 87.762, and a 1.05 climate modifier, calibrated to 22 squares with a $600 tear-off allowance. Davenport homes are compact, about 1,500–1,650 sq ft.
Davenport has the lowest roofer wage in Iowa at $23.29/hour, anchored by the deep bi-state Quad Cities labor pool. It charges a flat $50 to $75 permit for standard reroofs — among the simplest in our network — its homes are compact (1,500–1,650 sq ft), and it sits on Iowa's already-low regional price level (RPP 87.762). The result is a VHCI band of $8,200 to $15,200, the lowest of Iowa's major markets.
The City of Davenport Public Works, Building and Development Services division, issues reroof permits through the Citizens online Permit Portal. For a standard reroof the fee is a flat $50 to $75 — one of the simplest in our network. That flat fee is voided if a structural trigger applies, such as replacing more than 10 percent of the sheathing or altering rafters or trusses, which moves the job to a valuation-based permit. A Final Building Inspection is required. The city permits independently of Scott County, which charges a separate $50 base.
Yes, significantly. Davenport is the largest city on the Mississippi River without a permanent floodwall, and the 2019 flood set a record with 103 days above flood stage. Under City Code Chapter 15.44 Flood Damage Prevention, FEMA Zone AE properties face the 50 percent Substantial Improvement Rule (assessed on ad valorem value): if improvements exceed 50 percent of value, the structure must meet the Base Flood Elevation plus freeboard — including rooftop mechanical equipment — and a FEMA Elevation Certificate is required.
Davenport enforces the 2015 IRC and IBC under Chapter 15.12 of the Davenport Municipal Code, alongside Iowa Administrative Code Rule 481-301. Design wind is about 110 mph under ASCE 7, and the local snow load is about 30 PSF (converting to roughly 24 PSF on a sloped roof). Under IRC R908.3.1.1, the two-layer limit applies and a 100 percent tear-off is required. An ASTM D1970 ice-and-water barrier is required at the eaves.
Davenport and Bettendorf sit on the Iowa side of the Quad Cities; Rock Island and Moline are directly across the Mississippi in Illinois. Roofing crews cross the river bridges daily, so the labor market is genuinely bi-state. Iowa's open-shop structure sits adjacent to Illinois union labor, and the two reach a wage equilibrium — which, with a deep combined labor pool, keeps Davenport's roofer wage the lowest in Iowa and means minimal contractor backlogs even at peak season.
Davenport is 75 to 80 percent asphalt shingle, typically with copper granules for algae resistance against the Mississippi River humidity. The Quad Cities' manufacturing base — agricultural equipment, aerospace, and food processing — drives commercial TPO and PVC demand on industrial buildings. Across the rural edges, economical corrugated steel and 5V-crimp metal are common. For most homeowners, a copper-granule architectural asphalt shingle is the practical choice.
The BLS reports a mean roofer wage of $23.29/hour for the Davenport-Moline-Rock Island MSA (SOC 47-2181), about $47,800 to $48,443/year, with a median around $22.18 — the lowest of Iowa's metros, below Des Moines ($27.90) and Cedar Rapids ($24.85). The deep bi-state Quad Cities labor pool and Iowa's open-shop structure hold the rate down. Iowa requires contractor registration under Iowa Code Chapter 91C (no exam).
Davenport has a humid continental river-valley climate with July highs of 84.5 to 86.2°F, 36.2 to 38.5 inches of rain, and 30.4 to 32.5 inches of snow — the lightest snowfall among Iowa's metros. Summer humidity of 74 to 78 percent is the highest in Iowa, driven by the Mississippi River, and it encourages algae streaking. The humidity, freeze-thaw, and snow hold practical asphalt shingle life to about 14 to 17 years, shorter than the statewide 15 to 18.
Davenport is the most affordable of Iowa's three major metros. Its VHCI mid-point of $11,200 is below Cedar Rapids's $12,000 and Des Moines's $12,600. The gap is driven by the lowest roofer wage in the state ($23.29 vs Cedar Rapids's $24.85 and Des Moines's $27.90), the simplest flat permit, compact homes, and the deep bi-state Quad Cities labor pool. All three use Iowa's registration-only contractor regime and the IAC 481-301 code framework.
Cost figures are produced by the Vanderflip Home Cost Index v2.0 from public data only: U.S. Bureau of Labor Statistics OEWS mean roofer wage, SOC 47-2181, Davenport-Moline-Rock Island MSA ($23.29/hr, ~$47,800–$48,443/yr, median ~$22.18 — the lowest of Iowa's metros, below Des Moines's $27.90 and Cedar Rapids's $24.85; bls.gov/oes); U.S. Bureau of Economic Analysis Iowa Regional Price Parity 87.762 (bea.gov); a 1.05 climate modifier (the lowest of the Iowa cities) for the river-valley humidity and moderate snow; 22-square baseline; $600 tear-off allowance. Regulatory citations: City of Davenport Public Works, Building and Development Services reroof permit via the Citizens online Permit Portal (flat $50–$75 for a standard reroof — among the simplest in our network — voided if a structural trigger applies such as >10% sheathing replacement or rafter/truss alteration, which moves to a valuation-based permit; mandatory Final Building Inspection; permitted independently of Scott County's separate $50 base; davenportiowa.com); the 2015 IRC/IBC under Chapter 15.12 of the Davenport Municipal Code alongside Iowa Administrative Code Rule 481-301, 110 mph ASCE 7 design wind, 30 PSF snow load (~24 PSF sloped), the IRC R908.3.1.1 two-layer limit and mandatory 100% tear-off, and an ASTM D1970 eave ice barrier; the Mississippi River floodplain (largest city on the Mississippi without a permanent floodwall; the 2019 flood record of 103 days above flood stage; City Code Chapter 15.44 Flood Damage Prevention; FEMA Zone AE; the 50% Substantial Improvement Rule on ad valorem value, Base Flood Elevation plus freeboard including rooftop mechanical equipment, FEMA Elevation Certificate required); the humid continental river-valley climate (July 84.5–86.2°F, 36.2–38.5 in rain, 30.4–32.5 in snow — the lightest in Iowa — 74–78% humidity, the highest in Iowa, algae streaking, 14–17-year shingle life); the bi-state Quad Cities labor market (Davenport and Bettendorf in Iowa, Rock Island and Moline in Illinois; crews cross the Mississippi bridges daily; Iowa open-shop adjacent to Illinois union labor reaching a wage equilibrium; deep labor pool, minimal backlogs); the manufacturing economy (agricultural equipment, aerospace, food processing, I-80 corridor supply chain, industrial TPO/PVC demand); the 75–80% copper-granule asphalt material mix; a 1,500–1,650-sq-ft compact median home; and Iowa contractor registration under Iowa Code Chapter 91C (no exam; dial.iowa.gov). Climate data from NOAA / NCICS. Modeled estimates for informational purposes only — not quotes or appraisals. Always obtain at least three written bids from licensed, insured contractors. Updated 2026 · VHCI v2.0.