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.

Plumbers, Irrigation & Fire Alarm Contractors do not pay a fee but are required to register with the County.
If there are other trades with the registration, that trade(s) will be charged the registration fees that apply.
Certificate of Insurance should state Building & Zoning Department as the certificate holder.

All registrations shall be valid for a one year period from the date of registration. Registration is required before work is performed on any new projects. Further registration details are available from the Building & Zoning Department at: 630-407-6700.

Contractor Registration Ordinance & Forms

DuPage County Contractors Registration Ordinance (PDF)
Contractor Employment Affidavit - Not required to carry workman's compensation based on not having any employees (PDF - type answers and print)

Home Repair Know Your Consumer Rights (PDF) - the Illinois Attorney General's office has tips to help protect yourself when planning a home repair project