Everything you need to know about obtaining a plumbing license in Chicago, Illinois — requirements, costs, timeline, and application process.
Required to design, install, or repair plumbing systems. Typically requires apprenticeship, classroom hours, and state examination.
Illinois has complex tax requirements that vary by municipality.
As a major metro area, Chicago typically charges higher fees for Plumber License applications — expect to pay between $280 and $2100.
Due to higher application volumes, processing times in Chicago may run 2-8 weeks or longer. Consider submitting early.
Whether you're starting a new business or expanding into Chicago's Cook County area, understanding the local permitting process is essential to operating legally and avoiding fines.
To obtain a plumbing license in Chicago, IL, you will typically need to provide the following:
You may also need to complete registration with the Illinois Secretary of State at ilsos.gov.
Before applying, verify that your business location in Chicago's Cook County is properly zoned for your intended use. Contact the Chicago planning department.
Collect all necessary paperwork including plumbing license application, apprenticeship completion (typically 4-5 years), classroom hour documentation. Having everything ready speeds up the process.
File your plumbing license application with the Chicago city clerk or licensing department. Many Illinois municipalities now accept online applications.
Submit payment of $280–$2100 (typical range for Chicago). Fees may vary based on your business type and size.
Processing typically takes 2-8 weeks in Chicago. As a major metro, expect potential delays during peak periods.
From plumbing license to full compliance — get professional help setting up your business in Illinois.
Talk to a Business Attorney Form your LLC online →The typical cost for a Plumbing License in Chicago ranges from $280 to $2100. Fees vary based on your business type, size, and Chicago's specific municipal requirements. Contact the Chicago city clerk's office for exact current fees.
Processing time for a Plumbing License in Chicago is typically 2-8 weeks. Larger cities like Chicago may experience longer wait times due to higher application volumes.
To apply for a Plumbing License in Chicago, you'll generally need: Plumbing license application, Apprenticeship completion (typically 4-5 years), Classroom hour documentation, State exam passing certificate, Insurance and bonding verification. You may also need to register with the Illinois Secretary of State. Contact Chicago's licensing department for the complete checklist.
Yes, a Plumbing License in Chicago requires 3-5 years renewal. Check with Chicago's licensing office for your specific renewal timeline.
You can apply for a Plumbing License through the Chicago city government offices, typically the city clerk or licensing department. For state-level requirements, visit ilsos.gov. Many Illinois cities now offer online application portals.
If you're applying for a plumbing license, you may also need these permits: