What are the Commercial Building & Structural permit rules in Illinois?

Illinois enforces trade permit fee schedules determined by local AHJ building departments per county. General contractors and sub-trades must maintain active state licenses and bond filings ($10,000–$50,000).

Are sub-trade contractor surety bonds required in Illinois?

Yes. Most Illinois municipal building departments require trade contractors to file an active license bond prior to permit issuance.

🏗️ STATEWIDE TRADE HUB (IL) 1 County Workstations

Illinois Commercial Building & Structural Permit Guide

Building valuation schedules, structural PE stamps, and plan review add-on rates. Compare municipal fee structures, plan check add-on rates, and contractor bond thresholds across Illinois.

Illinois Commercial Building & Structural County Workstations

Select a county building department to calculate exact trade permit fees & bond rules

Cook County

Cook County Dept of Building and Zoning

2026 Verified

Plan Review Rate: 75%

Tech Surcharge: 5%

Mandatory Surety Bond: $20,000

Open Cook County Commercial Building & Structural Workstation →