How much can a landlord charge for a security deposit in Missouri?

Two months' rent (Mo. Rev. Stat. 535.300).

How long does a landlord have to return a security deposit in Missouri?

Within 30 days after the tenancy ends (Mo. Rev. Stat. 535.300).

Missouri security deposit law

The state rules a landlord in Missouri has to follow for a residential security deposit, from Mo. Rev. Stat. 535.300.

Maximum deposit: Two months' rent.
Deadline to return it: Within 30 days after the tenancy ends.
Itemized deductions: Written itemized list of damages kept, with the balance, mailed within 30 days.
Interest on the deposit: Not required; any interest belongs to the landlord.
Penalty for wrongful withholding: Tenant recovers twice the amount wrongfully withheld.

Before you keep any part of a deposit

Compare the unit with the move-in inspection and photos. Normal wear and tear is generally not chargeable.
Keep receipts or written estimates for every deduction.
Send the return or the itemized list within the deadline above, to the tenant's forwarding address, and keep proof of mailing.

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: Mo. Rev. Stat. 535.300. Source: revisor.mo.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: Minnesota · Montana · all states

Last updated November 5, 2026.