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Ohio security deposit law

The state rules a landlord in Ohio has to follow for a residential security deposit, from Ohio Rev. Code § 5321.16.

Maximum deposit
No statutory limit.
Deadline to return it
30 days after the rental agreement ends and the tenant delivers possession.
Itemized deductions
Written notice itemizing and identifying each deduction, delivered with the amount due.
Interest on the deposit
Yes: 5% a year on the part of the deposit above $50 or one month's rent (whichever is greater), if the tenant stays six months or more, paid annually.
Penalty for wrongful withholding
Tenant may recover the money due plus damages equal to the amount wrongfully withheld and attorney fees.

Before you keep any part of a deposit

Working out the last month's rent? The prorated rent calculator does the partial-month math.

Source

Verification status: verified summary. Research date: November 5, 2026. Statute: Ohio Rev. Code § 5321.16. Source: codes.ohio.gov.

General information, not legal advice. Cities and counties can add stricter rules, and laws change. Check the current statute or a local attorney before you act.

Other states: North Dakota · Oklahoma · all states

Last updated November 5, 2026.