Roof Replacement Cost in Illinois (2026 Calculator)
Illinois roofers earned a median of $37.45 an hour in May 2025, about 40.5% above the national median of $26.65. The mean in Illinois was $37.33 an hour across 5,300 employed roofers.
Combined average sales tax in Illinois is 8.98% as of 2026-07-01. The state rate is 6.25% and the average local rate is 2.73% (maximum local 4.75%).
Calculator for Illinois
Estimated range in Illinois
$14,163.96 – $25,981.13
Typical estimate $20,528.13 Estimate (non-official)
| Install | $11,027.17–$16,540.75 (typical $14,225.05) |
|---|---|
| Tear-off | $2,756.79–$8,270.38 (typical $5,513.58) |
| Decking | $0.00–$0.00 (typical $0.00) |
| Disposal | $280.00–$670.00 (typical $489.50) |
| Permit | $100.00–$500.00 (typical $300.00) |
Sources
- HomeGuide - Roof replacement cost (2025-11-07)
- Fixr - Roof replacement cost (2026-02-04)
- This Old House - New roof cost (data from Homewyse) (2026-10-07)
- HomeGuide - Roof replacement cost (2025-11-07)
- Angi - How much does it cost to shingle a roof (2026-10-01)
- Fixr - Roof replacement cost (2026-02-04)
- Angi - Roll-off dumpster cost (2026-07-09)
- HomeGuide - Dumpster rental prices (2023-04-05)
- Fixr - Dumpster rental cost (2025-01-31)
- derived from decking_installed_per_sqft
- HomeGuide - Roof replacement cost (2025-11-07)
- Fixr - Roof replacement cost (2026-02-04)
- Angi - How much does a new roof cost (2026-03-05)
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Illinois cost factors
Labor
Illinois roofer median pay is $37.45 an hour and mean pay is $37.33 an hour, with 5,300 roofers employed. Median annual pay is $77,900.00 and mean annual pay is $77,650.00. The wage index is 1.405, which is about 40.5% above the national median (U.S. median $26.65).
Sales tax
Illinois sits in a state where the rate is 6.25% plus average local tax of 2.73%, for a combined average of 8.98% (maximum local 4.75%) as of 2026-07-01.
Source: Tax Foundation, 2026-07-01
Storm exposure
NOAA Storm Events counted 1,569 hail reports in Illinois from 2021 through 2025 (1,348 at 1 inch or larger, 131 at 2 inches or larger, largest 4 inches). Illinois is 10th of 51 for hail reports. Wind reports were 4,726 (7th of 51), tornado reports 581, tropical reports 0, and winter-storm or heavy-snow reports 717. These are reports, not unique storms.
Source: NOAA Storm Events, 2021–2025
Building code
IRC adopted by some state/local jurisdictions, not statewide (ICC chart) (per ICC adoption chart, 2026-04; confirm locally).
Source: ICC adoption chart, 2026-04
Housing activity
Census building permits authorized 10,821 single-family homes in Illinois in 2025. The average permit valuation was $362,667.
Wind and snow design values
Wind speed and ground snow load are site-specific. Look up the address in the ASCE Hazard Tool. This page does not print a design number for Illinois.
How Illinois compares
| Measure | Illinois | Midwest mean | United States |
|---|---|---|---|
| Roofer median hourly wage | $37.45 | $27.12 | $26.65 |
| Combined average sales tax | 8.98% | 7.28% |
The region column is the mean of state roofer medians, and of combined tax rates, inside the Midwest Census region. The national wage file has no combined sales-tax rate.
Installed price by material in Illinois
National guide prices, adjusted only by the labor share and the Illinois roofer wage index (local labor factor 1.233). Estimate (non-official)
| Material | Per square, low–typical–high | Per sq ft, typical |
|---|---|---|
| 3-tab asphalt shingles | $369.86–$616.44 (typical $493.15) Estimate (non-official) | $3.70–$6.16 (typical $4.93) |
| Architectural (dimensional) asphalt shingles | $493.15–$739.73 (typical $636.16) Estimate (non-official) | $4.93–$7.40 (typical $6.36) |
| Premium / luxury (designer) asphalt shingles | $616.44–$863.01 (typical $739.73) Estimate (non-official) | $6.16–$8.63 (typical $7.40) |
| Standing-seam metal | $1,109.59–$3,698.63 (typical $2,280.82) Estimate (non-official) | $11.10–$36.99 (typical $22.81) |
| Corrugated / exposed-fastener metal panels | $493.15–$1,849.31 (typical $1,140.41) Estimate (non-official) | $4.93–$18.49 (typical $11.40) |
| Concrete tile | $863.01–$2,342.46 (typical $1,602.74) Estimate (non-official) | $8.63–$23.42 (typical $16.03) |
| Clay tile | $986.30–$2,712.33 (typical $1,849.31) Estimate (non-official) | $9.86–$27.12 (typical $18.49) |
| Natural slate | $1,232.88–$3,698.63 (typical $2,773.97) Estimate (non-official) | $12.33–$36.99 (typical $27.74) |
| Synthetic / composite slate | $1,109.59–$1,849.31 (typical $1,479.45) Estimate (non-official) | $11.10–$18.49 (typical $14.79) |
| Wood (cedar) shakes | $739.73–$1,849.31 (typical $1,294.52) Estimate (non-official) | $7.40–$18.49 (typical $12.95) |
| Flat/low-slope: TPO membrane | $493.15–$1,541.09 (typical $1,109.59) Estimate (non-official) | $4.93–$15.41 (typical $11.10) |
| Flat/low-slope: EPDM rubber membrane | $554.79–$1,602.74 (typical $1,078.77) Estimate (non-official) | $5.55–$16.03 (typical $10.79) |
| Flat/low-slope: modified bitumen | $493.15–$986.30 (typical $739.73) Estimate (non-official) | $4.93–$9.86 (typical $7.40) |
Questions
How much does a roof replacement cost in Illinois?
For a 2,000 sq ft footprint at a 6/12 pitch, architectural asphalt shingles, 10% waste, one tear-off layer, and no decking replacement, with sales tax left off, the Illinois range is $14,163.96 to $25,981.13 (typical $20,528.13, about $9.18 per sq ft of roof). That is an Estimate (non-official), moved with the local labor factor from a roofer wage index of 1.405.
Do I pay sales tax on a new roof in Illinois?
The Illinois state rate is 6.25% and the average local rate is 2.73%, for a combined average of 8.98% (maximum local 4.75%) as of 2026-07-01, per the Tax Foundation. The calculator adds sales tax only when you turn that option on, because many guide prices already include the contractor’s materials.
How common is hail damage in Illinois?
NOAA logged 1,569 hail reports in Illinois from 2021 through 2025 (1,348 at 1 inch or larger, 131 at 2 inches or larger, largest 4 inches). Illinois is 10th of 51 for hail reports. Counts are reports, not unique storms.
Do I need a permit to replace a roof in Illinois?
Many cities in Illinois require a permit for a roof replacement. The fee field starts from a national estimate range and should be checked locally.
What do roofers earn in Illinois?
BLS OEWS for May 2025 puts the Illinois roofer median at $37.45 an hour and the mean at $37.33 an hour, with 5,300 roofers employed. That median is about 40.5% above the national median of $26.65. These are worker wages, not contractor bill rates.
Sources on this page
- BLS OEWS (May 2025)
- Tax Foundation (2026-07-01)
- NOAA Storm Events (2021–2025)
- Census BPS (2025)
- ICC adoption chart (2026-04)
Last updated 2026-10-24.