Darien, IL · DuPage County
Business License Application
Darien businesses use this application to provide business, ownership, operating, and emergency contact information when applying for or renewing a city business license.
What this form is
This application collects information for a new or renewing Darien business license, including business services, location, ownership, employees, zoning, and operating details. Applicants also provide emergency contacts and keyholder and alarm information; home-based businesses complete a questionnaire about their operations. The applicant certifies the information is true and agrees to comply with city rules and ordinances.
Who needs it
Business owners applying for or renewing a Darien business license should complete the application and, if applicable, the home occupation questionnaire.
How to submit it
Return the completed form to the City of Darien, City Clerk's Office, 1702 Plainfield Rd., Darien, IL 60561. For questions, contact the City Clerk's Office at 630-852-5000.
About notarization
This document is signed and dated without a notary; the applicant signs the certification, and no notarized or sworn attachment is identified.
How to submit this form
- 1
Download The Application
Download the Business License Application packet.
- 2
Complete The Application
Fill in the business, owner, location, operating, and contact information, and sign and date the certification.
- 3
Complete Applicable Sections
Provide corporate information if applicable and complete the Home Occupation Questionnaire for a home occupation.
- 4
Submit To The City
Return the completed form to the City Clerk's Office at 1702 Plainfield Rd., Darien, IL 60561.
Frequently asked questions
- Do I need a notary for the Business License Application?
- No. The applicant signs and dates the certification without a notary, and the document does not identify a notarized or sworn attachment.
- How do I submit the Business License Application?
- Return the completed form to the City of Darien, City Clerk's Office, 1702 Plainfield Rd., Darien, IL 60561. The form lists 630-852-5000 for questions.
- What information does the application ask for?
- It asks for business, owner, location, operating, and emergency contact details, along with keyholder and alarm information. Corporate applicants provide additional officer and ownership details.
- Do home-based businesses have an additional section?
- Yes. The packet includes a Home Occupation Questionnaire asking about the business and whether its operation meets the listed home occupation conditions.
Need something notarized?
This Business License Application doesn’t need a notary — but Illinois residents can notarize other documents online with a commissioned online notary.