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Cook County, IL Short-Term Rentals: Extended Home Share (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Tax rate
1% of gross rental charge
Who registers
Every owner, manager or operator
Filing
Monthly sworn return to Dept. of Revenue
Scope
Countywide, including Chicago
First-offense fine
$1,000

Summary

Cook County taxes short-term and vacation rentals of houses, condos and apartments at 1% of the rental charge under the Hotel Accommodations Tax Ordinance, and requires every owner or host to register with the Department of Revenue and file monthly returns.

City-specific rules exist: Oak Lawn has its own extended home share rules that differ from Cook County's county-level regulations. If you live in Oak Lawn, check the city-specific page instead.

Hotel accommodations means, except as otherwise provided in this paragraph, a room or rooms in any building or structure kept, used or maintained as or advertised or held out to the public to be an inn, motel, hotel, apartment hotel, lodging house, bed-and-breakfast establishment, vacation rental of condominiums, apartments or houses, dormitory or similar place, where sleeping, rooming, office, conference or exhibition accommodations are furnished for lease or rent, whether with or without meals.

Source: Cook County Department of Revenue STR ProgramView official code

Full Breakdown

Cook County's Hotel Accommodations Tax Ordinance (Cook County Code, Ch. 74, Art. XXI) defines taxable hotel accommodations to expressly include vacation rental of condominiums, apartments and houses, covering Airbnb-style home shares alongside hotels and motels, and imposes a 1% tax on the gross rental or leasing charge, paid by the guest and collected by the host. Every owner, manager or operator renting out a short-term unit anywhere in Cook County, including inside Chicago and other municipalities, must register with the Department of Revenue and file a sworn monthly tax return, even in months with no rentals. The tax stacks on top of any municipal hotel tax already in place.

Violations & Fines

Fine of $1,000 for a first offense and $2,000 for each repeat offense; each day a violation continues counts as a separate offense, and knowingly filing false information is also a violation.

Frequently Asked Questions

Does the Cook County hotel tax apply to Airbnb rentals?
Yes. The ordinance's definition of taxable hotel accommodations expressly includes vacation rental of condominiums, apartments and houses.
Do hosts inside Chicago still owe this county tax?
Yes, the county tax applies throughout Cook County and stacks on top of any Chicago hotel tax already charged.
Who has to register with the County to host a short-term rental?
Every owner, manager or operator of hotel accommodations, including vacation-rental hosts, must register with the Department of Revenue.

Sources & Official References

Other rules in Cook County

All Cook County rules

Compare Cook County to another location·View the Illinois short-term rentals overview

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