Contractor Registration Information

All General and Sub-Contractors performing work in Unincorporated DuPage County are required to be registered with the DuPage County Building Official prior to permit issuance and commencement of work.

Registered Contractors by Trade     (PDF)

 Registered General Contractors       (PDF)

(*These listings represent registration history.  Please check with the individual contractors for current registration)

**Contractors are required to renew their registration as of January 1 every year or before work is performed on any new projects

Further registration details are available from the Department of Economic Development & Planning at: (630) 407-6700

**A note in regard to Surety Bonds: 

• When applying as a General Contractor/Construction Manager not employing full-time  tradesmen the bond should state “General Contractor”
• When applying as a General Contractor with Trades using full-time tradesmen the bond should state “General Contractor with Trades”
• When applying as a Sub-Contractor the bond should state the specific trade(s)

Contractor Registration Ordinance & Forms

• DuPage County Contractors Registration Ordinance (PDF)
• DuPage County Contractors Registration Application   (PDF - type answers and print)
• Contractor Registration Procedures (PDF)
• Contractor Employment Affidavit (PDF - type answers and print)
• Contractor Registration Informational Brochure (PDF)