Home Cost Atlas

Roof Replacement Cost in Illinois

Modeled Illinois planning frame for roof replacement. When shown, regional bands are the published national planning band multiplied by this state’s rate-book factor—not observed contractor invoices. Use the national guide and written local bids before hiring.

Medium confidenceAdequate reviewed inputs for planning estimates. Model scenarios: 1. Observed contractor bids: 0.

Illinois planning band (national × 1.12×)

Typical unit: per project

Low
$10,080
Typical
$22,400
High
$35,840

Math: published national whole-project band × Illinois rate-book multiplier (1.12×). Supporting rows in our warehouse are modeled scenarios, not observed contractor invoices. Compare the national roof replacement guide, personalize with the calculator when available, then collect written local bids for the same scope.

Illinois planning factors

  • Chicago-area trade rates sit above the national typical for electrical and HVAC
  • Freeze-thaw cycles drive driveway, stoop, and masonry maintenance
  • Older Midwest housing often needs panel upgrades before EV or generator installs
  • Basement living commonality increases waterproofing and egress window project demand
  • Lake-effect snow belts raise ice-dam and gutter-heating considerations

See national cost bands for how published planning frames are built.

Related resources

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Methodology & estimate disclaimer

Home Cost Atlas estimates are planning ranges based on national material and labor benchmarks, regional cost multipliers, and common project factors. They are not contractor quotes.

Actual costs vary by location, home condition, material availability, permits, and project complexity. Read our methodology, the national cost bands table, editorial policy, and disclaimer. Planning provenance uses the internal model and, where listed, public datasets for context—not invented third-party bid averages.

Cost year: 2026 rate book · Data version: hca-national-model-v1 · Last reviewed: July 24, 2026