Missouri Security Deposit Law
What landlords in Missouri need to know about deposit limits, refund deadlines, interest, and penalties for getting it wrong.
Deposit cap
2 months' rent
Refund deadline
30 days
Interest required?
No
No statewide interest requirement.
Separate account?
Not required
Penalty for noncompliance
Wrongful withholding in bad faith can result in twice the amount wrongfully withheld.
Statute: Mo. Rev. Stat. § 535.300
This page summarizes general state-level rules as of 2026 and does not cover city or county ordinances, which can be stricter. Verify against the statute cited above or with a local attorney before relying on it. See all states.