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Hamilton County, IN Hotels & Lodging: Transient Occupancy Tax (2026)

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

Key Facts

Tax rate
5% of gross lodging income
Applies to
daily/short-term room, lodging, cabin rentals
Exempt
dorms, month-to-month stays, primary residences
Filing
monthly, due 20 days after month-end
Collected by
Hamilton County Treasurer
Fund use
Convention, Visitor and Tourism Promotion Fund

Summary

Hamilton County charges a 5% County Innkeeper's Tax on every room, lodging, or tourist cabin rented on a daily basis anywhere in the county, on top of Indiana's state sales tax. The tax reaches short-term and vacation rentals; it exempts college dormitories, month-to-month tenancies, and a renter's own primary residence. Operators file monthly with the county treasurer.

These county ordinances apply to unincorporated areas of Hamilton County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

(a)A tax is levied on every entity, person, corporation, or other business combination engaged in the business of renting or furnishing, for periods based upon a daily basis or multiples thereof, any room, lodging, or tourist cabin in the county.(b)The tax does not apply to gross income received in a transaction in which a person rents:(1)Lodgings in a college or university residence hall;(2)A room, lodging, or accommodations based upon a month-to-month tenancy or more; or(3)An apartment, or residence, which is the person's permanent, primary residence on a tenancy of less than a month-to-month basis.(c)The tax shall be levied at the rate of five percent on the gross retail income derived from lodging income only and is in addition to the state gross retail tax imposed under IC 6-2-5.(d)The tax shall be reported on forms approved by the county treasurer and shall be paid monthly to the county treasurer not more than 20 days after the end of the month in which the tax is reported.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 22 | Unified Development Ordinance: Republication).

Full Breakdown

Sec. " That language reaches nightly short-term rentals as well as hotels and motels; it does not reach college or university residence halls, rentals on a month-to-month tenancy or longer, or a renter's own permanent, primary residence rented on a less-than-monthly basis. The rate is five percent of gross retail income from lodging only, charged in addition to Indiana's state gross retail tax under IC 6-2-5. Operators report on forms the county treasurer approves and must remit the tax monthly, no later than 20 days after the end of the month it was collected.

The treasurer deposits every dollar into a Convention, Visitor and Tourism Promotion Fund, which under Sec. 6-9-18-5 is administered by the 15-member Hamilton County Convention, Visitor and Tourism Commission: the county commissioners appoint five members, the county council appoints two, and the mayors of Carmel, Fishers, Noblesville and Westfield each appoint two, with at least one appointee required to work in the hotel or motel business. Under Sec. 6-9-18-5, five percent of the fund covers advertising, trade shows, special events and recreation promotion, while three percent is set aside in a tourism capital fund the commission distributes for capital projects, two-thirds of it split evenly among Carmel, Fishers, Noblesville and Westfield.

Violations & Fines

The ordinance sets no flat dollar penalty for a missed or short filing; Sec. 6-9-18-3(d) instead makes the monthly return and remittance to the county treasurer a fixed compliance duty, with the treasurer's office responsible for collecting what is owed to the promotion fund. Because the county tax rides on the same transaction as Indiana's state gross retail tax under IC 6-2-5, an operator who under-collects risks separate enforcement from the Indiana Department of Revenue as well as the county treasurer.

Frequently Asked Questions

Does Hamilton County's innkeeper's tax apply to Airbnb and other short-term rentals?
Yes. Sec. 6-9-18-3(a) taxes anyone renting a room, lodging, or tourist cabin "for periods based upon a daily basis or multiples thereof," language that reaches nightly short-term rentals as well as hotels and motels. The only carve-outs in Sec. 6-9-18-3(b) are college dormitory housing, stays rented month-to-month or longer, and a renter's own primary residence rented on a less-than-monthly basis.
What is the tax rate and how do operators pay it?
The rate is five percent of gross retail income from lodging only, on top of Indiana's state gross retail tax, under Sec. 6-9-18-3(c). Operators use forms the county treasurer approves and must remit monthly, no later than 20 days after the end of the month in which the tax was collected, per Sec. 6-9-18-3(d).
Where does the innkeeper's tax revenue go?
The county treasurer deposits it into the Convention, Visitor and Tourism Promotion Fund created by Sec. 6-9-18-3(e). Sec. 6-9-18-5 puts the fund under the 15-member Hamilton County Convention, Visitor and Tourism Commission, which may spend it only on advertising, trade shows, special events and recreation that promote conventions, visitors and tourism in the county.

Sources & Official References

Other rules in Hamilton County

All Hamilton County rules

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