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Tax help in Illinois

Illinois tax rules, in plain words.

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Updated October 8, 20265 sourcesFact checked
The short answer

State tax debt in Illinois is collected by Illinois Department of Revenue, not the IRS. Use the pre-approved plan in MyTax Illinois, or Form CPP-1. You must have filed all returns.

Key facts for Illinois

State income tax
Flat 4.95%. Source
Payment plan
Use the pre-approved plan in MyTax Illinois, or Form CPP-1. You must have filed all returns. Source
Liens
Illinois runs a statewide State Tax Lien Registry you can search for free. Source

Two debts, two sets of rules

  • The IRS collects federal taxes, with its own letters and plans.
  • Illinois Department of Revenue collects Illinois taxes, with its own rules.
  • A plan with the IRS does not stop the state from collecting, and the other way around.

Common questions in Illinois

Who collects state taxes in Illinois?

The Illinois Department of Revenue. It is separate from the IRS. A plan with one does not stop the other from collecting.

Can I get a payment plan for Illinois taxes?

Use the pre-approved plan in MyTax Illinois, or Form CPP-1. You must have filed all returns.

Can TaxTruce help with Illinois tax debt?

Yes. TaxTruce is a free service that connects you with tax resolution firms that work in Illinois. Answer a few questions, confirm your phone with a text code, and a firm reviews your situation and calls you back. We are not the IRS or a state agency.

Results depend on your situation. Not every case qualifies.

Facts on this page come from Illinois Department of Revenue and are linked. Rules change. Check with Illinois Department of Revenue or a licensed tax pro before you act. We are not affiliated with Illinois Department of Revenue.

Run the numbers with our free tax tools, like the penalty and payment plan math.

See your options

A few questions. A tax pro calls you back.

Free tools: penalty calculator, 10 year clock, IRS offer data

Free to use. Not the IRS or any government agency. Results depend on your situation. Not every case qualifies.