Plumber license in Illinois

Application requirements

Working as a plumber in Illinois typically requires submitting an application packet to the Illinois Department of Public Health — Division of Environmental Health (Plumbing Program) — including proof of experience, exam scores, and insurance.

• Proof of relevant trade experience or apprenticeship hours
• Passing score on the state trade exam(s)
• General liability insurance + workers' comp
• Surety bond filed with the board (when required)
• Business entity registration with the Secretary of State
• Background check + license fee submitted with packet

This is the standard packet most U.S. state boards require. Verify the exact list with the Illinois Department of Public Health — Division of Environmental Health (Plumbing Program) before applying — requirements change by trade classification.

Fees and renewal cycle

Total cost to become a licensed plumber in Illinois ranges from $180 to $8,000 (typical $1,300). The range covers application + exam fees, bond + insurance premiums, and the first year of business registration.

Most state boards renew on a 1-3 year cycle and require continuing education credits. Verify the exact renewal window and CE requirement with the Illinois Department of Public Health — Division of Environmental Health (Plumbing Program) — late renewal typically triggers a reinstatement fee.

Reciprocity with neighboring states

Illinois borders 5 other launched states ProFix Directory tracks. Reciprocity is set by each state board individually — check the destination state for the current rule before relying on it.

• Plumber license in Indiana →
• Plumber license in Iowa →
• Plumber license in Kentucky →
• Plumber license in Missouri →
• Plumber license in Wisconsin →

Where to apply

Why ProFix verifies every plumber

Every pro we list in Illinois is matched against the Illinois Department of Public Health — Division of Environmental Health (Plumbing Program) record, the Secretary of State business registry, and OSHA inspection data. We surface license status, revocation history, and bond filings on every profile so homeowners can shortlist verified pros without trusting a single review-platform score.

See the full verification methodology →

Common questions

Do I need a plumber license in Illinois?

Illinois requires plumber contractors to hold a Illinois Plumber license from the Illinois Department of Public Health — Division of Environmental Health (Plumbing Program). Apply through https://dph.illinois.gov/topics-services/environmental-health-protection/plumbing.html with a typical $1,300 total fee (range $180-$8,000) and a 1-3 year renewal cycle. Verify the exact classification with the board before submitting.

Which board handles plumber licensing in Illinois?

Illinois Department of Public Health — Division of Environmental Health (Plumbing Program) is the relevant authority shown in the Illinois licensing seed for this page. The verification or application URL in the loader is https://dph.illinois.gov/topics-services/environmental-health-protection/plumbing.html.

How much does a plumber license cost in Illinois?

The recorded licensing cost range is $180-$8,000, with a typical total around $1,300. That range comes from the page loader and covers application, exam, bond, insurance, or registration costs where they apply.

What requirements should Illinois plumber applicants verify?

Illinois licenses plumbers and roofers statewide through the Department of Public Health and IDFPR. Electrical and HVAC contractors are licensed at the municipal level.

Are Illinois plumbers licensed?

Yes. The Illinois Department of Public Health licenses plumbers statewide (Apprentice, Plumber, Plumbing Contractor classifications).