Illinois (IL)

Roof Replacement Cost in Illinois (2026)

Planning a roof replacement in Illinois? Below you'll find average costs by material type, a detailed cost breakdown for a standard 1,700 sq ft roof, permit info, and local considerations to help you budget accurately.

Average Roof Costs in Illinois by Material

Material Cost Comparison

Based on average roof size of 1,700 sq ft

Asphalt Shingles

Per Sq Ft

$3.50 - $7.00

Per Square

$350 - $700

Total

$5,950 - $11,900

Standing Seam Metal

Per Sq Ft

$7.00 - $15.00

Per Square

$700 - $1,500

Total

$11,900 - $25,500

Clay / Concrete Tile

Per Sq Ft

$9.50 - $19.00

Per Square

$950 - $1,900

Total

$16,150 - $32,300

* Costs include materials and installation labor at Illinois rates (labor multiplier: 1.15x, material multiplier: 1.05x vs. national average).

Cost Breakdown for a 1,700 Sq Ft Roof

Cost Component Estimated Cost
Asphalt Shingles (materials + labor) $5,950 - $11,900
Tear-Off ($145/square × 17 squares) $2,465
Disposal ($55/square × 17 squares) $935
Building Permit $100 - $600
Estimated Total (Asphalt) $9,450 - $15,900

This breakdown assumes one layer of old shingles to tear off. Multi-layer tear-off, structural repairs, or complex roof geometry will increase costs.

Illinois Roofing Details

Climate

Humid continental with severe winters, summer heat, hail, and tornado risk

Best Season to Roof

Late Spring (May-June) and Early Fall (September-October)

Building Codes

IRC 2018 adopted. Chicago has its own building code. Ice and water shield required. Impact-resistant shingles recommended in hail-prone areas.

Permit Costs

Building permits in Illinois typically cost between $100 and $600. Contact your local building department for exact fees.

Major Cities in Illinois

Roofing costs can vary between cities based on local labor markets and contractor availability. Here are the major metro areas in Illinois:

Chicago, IL Aurora, IL Naperville, IL Rockford, IL Springfield, IL

Frequently Asked Questions

How much does a new roof cost in Illinois in 2026?
The average roof replacement cost in Illinois for a 1,700 sq ft roof ranges from $5,950 to $11,900 for asphalt shingles, $11,900 to $25,500 for metal, and $16,150 to $32,300 for tile. These estimates include materials and labor at Illinois rates.
Do I need a permit for roof replacement in Illinois?
Yes, most Illinois jurisdictions require a building permit for roof replacement. Permit costs typically range from $100 to $600. IRC 2018 adopted. Chicago has its own building code. Ice and water shield required. Impact-resistant shingles recommended in hail-prone areas.
What is the best time of year to replace a roof in Illinois?
The best time for roof replacement in Illinois is Late Spring (May-June) and Early Fall (September-October). The state's climate is characterized as humid continental with severe winters, summer heat, hail, and tornado risk, which affects scheduling and material choices.
How much does tear-off and disposal cost in Illinois?
In Illinois, tear-off costs average $145 per roofing square (100 sq ft) and disposal costs average $55 per square. For a 1,700 sq ft roof, that totals approximately $3,400 for tear-off and disposal combined.
What roofing materials work best in Illinois?
Material selection in Illinois depends on the local climate: humid continental with severe winters, summer heat, hail, and tornado risk. Asphalt shingles are the most popular and affordable option. Metal roofing offers excellent durability and is increasingly popular. Tile roofing may be suitable depending on the structural capacity and aesthetic preferences. Always consult local building codes, as Illinois has specific requirements.

Related Calculators

Roof Costs in Nearby States