Illinois taxes through the Illinois Department of Revenue at a 6.25% statewide base rate, with local rates stacking on top and economic nexus for remote sellers at $100,000 in sales or 200 transactions. Filing runs monthly, quarterly, or annually by liability. For property management, that combination is what decides how much of your month-end is bookkeeping and how much is compliance.
Employer registration runs through the Illinois Department of Employment Security, and the entity is registered with the Illinois Secretary of State. Retailers’ Occupation Tax sourcing rules differ for in-state versus remote sellers, and Chicago layers several of its own taxes on top.
Sales tax authority
Illinois Department of Revenue — 6.25% statewide base rate
Economic nexus
$100,000 in sales or 200 transactions
Filing cadence
Monthly, quarterly, or annually by liability
Employer registration
Illinois Department of Employment Security
Entity registration
Illinois Secretary of State
Owner and trust funds in Illinois
Money held for owners in Illinois is not your money, and Illinois sets its own rules — through state law and the Illinois Secretary of State-registered licensing regime — on how those funds are held, how often they are reconciled, and what records must exist. We keep the trust ledger reconciled to the bank with owner-level detail behind every balance; whether that satisfies Illinois's specific requirement is a determination for you and your attorney, not us.
Security deposits in Illinois
Security deposits in Illinois are a liability, not income. Illinois sets no statutory cap on the deposit amount, and requires you to return or account for it within 45 days of move-out. That deadline is why the ledger has to be per-tenant rather than one pooled balance — a pooled figure cannot answer "what is owed to this tenant, and by when," which is the only question that matters when a deposit is disputed.
Registering to do business in Illinois
Registering to do business in Illinois runs through the Illinois Secretary of State, with tax accounts through the Illinois Department of Revenue and employer accounts through the Illinois Department of Employment Security. Illinois treats these as wholly independent, so being in good standing with one says nothing about the others — and the sales tax account is the one that accrues a real balance while you are not looking.
Illinois rates and sourcing
The Illinois statewide base rate is 6.25%. Local rates stack on top and are generally sourced to the delivery address, so the effective rate varies within the state. Getting sourcing right is what keeps the liability account matching what you actually collected.
We keep the books. You run the business.
Categorization, reconciliation, month-end close, and clean financial statements — with nothing left for you to chase.
View pricingHow It Works
Free review
We check where your property management books stand and whether Illinois activity has crossed $100,000 in sales or 200 transactions.
Register what is needed
Accounts set up with the Illinois Department of Revenue, plus the Illinois Department of Employment Security if you have employees here.
Catch up
Back periods cleaned up at a fixed quoted price, including any Illinois liability that was collected but never reconciled.
Close on cadence
Monthly close worked backward from your Illinois due dates — monthly, quarterly, or annually by liability.
Property Management Bookkeeping in Illinois — Frequently Asked Questions
Do I need to register for sales tax in Illinois?
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How often would I file in Illinois?
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Who do I actually deal with in Illinois?
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Do you prepare my income tax return?
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Property Management bookkeeping in Illinois
Book a free consultation. We will check where your books stand and whether your Illinois activity has crossed $100,000 in sales or 200 transactions.
- Done-for-you
- Solo or group
- Nationwide
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