Missouri Security Deposit Law (2026): Deadlines, Interest & Penalties
Missouri law gives landlords a hard deadline: the security deposit must be returned within 30 days of move-out, per Mo. Rev. Stat. § 535.300. On top of the deposit itself, the landlord is not required to pay interest on the deposit. Landlords who blow the deadline face 2x wrongfully withheld amount. Enter your deposit details above to check your numbers.
Enter Rent Details
Calculation Results
Select your state and fill out the form parameters to calculate interest and deadline penalties.
Missouri Deposit Rules at a Glance
| Return deadline | 30 days after move-out Standard deadline applies. |
|---|---|
| Interest on deposit | Not required |
| Separate account required | No |
| Deposit limit | 2 months' rent |
| Penalty for violations | 2x wrongfully withheld amount |
Missouri Security Deposit FAQ
How long does a landlord have to return a security deposit in Missouri?
In Missouri, a landlord must return the security deposit within 30 days after the tenancy ends, under Mo. Rev. Stat. § 535.300. Note: Standard deadline applies..
Does my landlord owe me interest on my security deposit in Missouri?
No. Missouri law does not require landlords to pay interest on residential security deposits.
What is the penalty if a landlord misses the deposit deadline in Missouri?
2x wrongfully withheld amount. The governing statute is Mo. Rev. Stat. § 535.300.
Is there a limit on how much a landlord can charge as a security deposit in Missouri?
Yes. In Missouri, the security deposit is limited to 2 months' rent.
Does a Missouri landlord have to keep my deposit in a separate account?
No. Missouri law does not require landlords to hold security deposits in a separate or escrow account.
Are there exceptions to the 30-day deposit deadline in Missouri?
Yes — the deadline can vary: Standard deadline applies.. When in doubt, check the statute itself (Mo. Rev. Stat. § 535.300) or ask a local tenant-rights organization.
What can I do if my landlord won't return my deposit in Missouri?
First, send a written demand letter citing Mo. Rev. Stat. § 535.300 — our free generator creates one with your amounts filled in. If the landlord still doesn't pay, you can usually file in small claims court, where the penalty exposure is 2x wrongfully withheld amount.