Roof Replacement Cost Calculator
in Illinois

By FreeCostCalculator Team | Updated April 2026

Updated April 2026 | Based on 50-state data | How we calculate this | Full methodology

Free roof replacement cost calculator for Illinois. Get instant estimates by material type, roof size, and pitch. No signup required.

Average: $9,913 – $16,993 7% above national avg

13 free calculators · 50-state coverage · 3,400+ pages · Published methodology

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2

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3

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Your estimate at a glance

National range $9,302 – $15,947

States covered 51

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How Much Does Roof Replacement Cost in Illinois?

$9,913 – $16,993. Homeowners in Illinois should expect to pay within this range for a typical roof replacement project in 2026. The mid-range estimate sits at approximately $12,745, though your actual cost will depend on the scope of work, materials selected, and local labor availability.

Compared to the national average of $11,960, Illinois prices run about 7% higher. This is driven by a combination of local labor market conditions, regional material costs, and Illinois's permitting requirements. Permit fees in this state average around $229, which is factored into most contractor quotes.

Several factors influence where your project falls within this range. The choice of materials accounts for the largest variation: premium options can cost two to three times more than standard alternatives. Labor rates in Illinois reflect the local cost of living and contractor demand, while the complexity of the job, accessibility of the work area, and time of year all play a role as well.

Roof Replacement Cost Breakdown in Illinois

The table below breaks down material and labor costs for each roofing material available in Illinois. Costs shown are per square foot, with total estimates based on a typical 2,000 sq ft project.

Roofing Material	Material / sq ft	Labor / sq ft	Est. Total (2,000 sq ft)
Asphalt Shingles	$3.85	$0.51	$13,080
Tile Roofing	$21.29	$2.02	$69,930

* Totals include estimated overhead (50% markup). Permit fees of $229 are not included in per-option totals. Actual costs may vary based on project specifics.

How Illinois Compares to Neighboring States

If you live near a state border, it can be worth understanding how roof replacement costs in Illinois stack up against neighboring states. Contractors in border areas sometimes serve customers on both sides, and material prices can differ based on regional supply chains and tax structures.

State	Low	Mid	High	vs. Illinois
Illinois (you)	$9,913	$12,745	$16,993	--
Kentucky	$8,849	$11,378	$15,170	-11%
Wisconsin	$8,950	$11,508	$15,344	-10%
Iowa	$9,050	$11,636	$15,514	-9%
Indiana	$9,087	$11,684	$15,578	-8%
Missouri	$9,307	$11,966	$15,954	-6%

Among Illinois's neighbors, Kentucky tends to have the lowest roof replacement costs with a mid-range average of $11,378, while Missouri sits at the higher end at $11,966. These differences reflect variations in local labor markets, building code requirements, and material availability across state lines.

Factors That Affect Roof Replacement Costs in Illinois

Every roof replacement cost is different, and several variables determine where your final cost lands within the typical $9,913 to $16,993 range for Illinois. Understanding these factors helps you budget more accurately and make informed decisions about where to invest and where to save.

Roof Pitch

Your choice of roof pitch has a direct impact on both material and labor costs. Options range from Low (0-3/12) to Steep (7-12/12), and the price difference between the least and most expensive choice can be substantial. Contractors in Illinois can help you weigh the trade-offs between cost, longevity, and performance for each option based on local conditions.

Roofing Material

Your choice of roofing material has a direct impact on both material and labor costs. Options range from Asphalt Shingles to Tile Roofing, and the price difference between the least and most expensive choice can be substantial. Contractors in Illinois can help you weigh the trade-offs between cost, longevity, and performance for each option based on local conditions.

Permits and Local Regulations

Permit fees in Illinois average approximately $229 for this type of project. Local building codes may also require inspections at various stages, which can add time but help ensure the work meets safety standards.

Seasonal Timing and Contractor Availability

Contractor demand in Illinois fluctuates throughout the year. Scheduling work during slower seasons can sometimes yield lower bids, as contractors compete more actively for jobs. Conversely, peak seasons may mean longer wait times and higher prices due to increased demand. Getting multiple quotes regardless of season remains the best way to ensure competitive pricing.

How this estimate was built

Data sources: Bureau of Labor Statistics (OEWS), Craftsman National Estimator, NAHB permit data

Formula: (Labor + Materials) × Overhead × Regional Multiplier ± Range

Granularity: State-level averages; metro areas may vary 20–30%

Last updated: April 2026

Estimates are for budgeting purposes. Actual costs depend on project specifics, contractor, and local conditions. See our full methodology for details. Report an error.

Frequently Asked Questions

How much does a roof replacement cost in Illinois?

The average roof replacement in Illinois costs between $9,913 and $16,993 for a standard asphalt shingle roof on a single-story home. Metal roofing costs 2-3x more.

What factors affect roofing costs in Illinois?

Key factors include roof size, pitch steepness, material choice, number of stories, local labor rates, and permit costs in Illinois.

How long does a roof replacement take?

Most residential roof replacements take 1-3 days for asphalt shingles. Metal and tile roofs may take 5-7 days.

What is the most affordable roofing material in Illinois?

Asphalt Shingles is typically the most affordable option in Illinois, at approximately $4.36 per square foot (materials + labor). While it has the lowest upfront cost, consider long-term durability and maintenance requirements when choosing between options. The total project cost will also depend on your specific dimensions and local labor rates.

Do I need a permit for this project in Illinois?

Most jurisdictions in Illinois require a permit for this type of work, with typical permit fees averaging around $229. Permit requirements vary by city and county, so check with your local building department. Working without a required permit can result in fines and complications when selling your home.

Is Illinois more expensive than the national average for this?

Yes, costs in Illinois run approximately 7% above the national average. The mid-range cost of $12,745 in Illinois compares to a national average of $11,960. Higher labor rates, material transport costs, and local regulations can all contribute to this difference.

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