Missouri · MO

Demand letters in Missouri.

In Missouri, landlords must return a deposit within 30 days, and the Small Claims Court (Circuit Court / Associate Division) hears claims up to $5,000. Here's the law you need — and a generator that cites it for you.

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By The Demand Letter Kit Team Sourced from official statutesUpdated June 1, 2026

Missouri demand letter facts at a glance

Deposit return deadline

30 days

Small claims limit

$5,000

Filing fee

About $20–$36

Written-contract SOL

10 years

Personal-injury SOL

5 years

Legal/judgment interest

9% per year (post-judgment) unless the contract sets a different rate.

Security deposit demand letters in Missouri

If your former landlord is holding your deposit, Missouri law is on your side. A landlord must return your security deposit within 30 days, along with an itemized statement of any deductions. Wrongful withholding can make the landlord liable for up to twice the amount wrongfully withheld.

Governing statute: Mo. Rev. Stat. § 535.300 · read it

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Statutes of limitation in Missouri

A demand letter doesn't pause the clock — you must file suit within these windows:

Written contracts 10 years
Oral contracts 5 years
Personal injury 5 years
Property damage 5 years

Small claims court in Missouri

If your demand letter is ignored, Missouri's Small Claims Court (Circuit Court / Associate Division) is usually the next step. It hears claims up to $5,000, with filing fees around About $20–$36. You typically don't need a lawyer, and mentioning that you're prepared to file gives your letter real weight.

Missouri courts self-help

Good to know in Missouri

Missouri requires deposits back within 30 days, caps most deposits at two months’ rent, and allows up to double damages for wrongful withholding. The small claims limit is $5,000 in the Circuit Court’s small claims docket, and filing fees are among the lowest in the country. Missouri’s 10-year written-contract limitations period and 5-year window for injury and property claims are relatively generous, leaving ample time to escalate a stubborn dispute.

Common demand letters in Missouri

Each generator automatically applies Missouri law where it matters.

Security Deposit Demand Letter

A formal letter demanding the return of your security deposit, citing your move-out date and your state’s legal deadline.

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Unpaid Invoice Demand Letter

A firm final notice that tells a non-paying client exactly what they owe, by when, and what happens if they ignore it.

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Contractor Dispute Demand Letter

A formal letter demanding a contractor finish the work, fix defective work, or refund your money under your agreement.

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Debt Collection Demand Letter

A formal letter demanding repayment of money you are owed on a personal loan, IOU, or other unpaid debt.

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Property Damage Demand Letter

A formal letter demanding payment from whoever damaged your property, backed by repair estimates and photos.

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Unpaid Wages Demand Letter

A formal letter demanding an employer pay wages, overtime, or a final paycheck you earned and are owed.

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Missouri demand letter FAQ

How long does a landlord have to return a security deposit in Missouri?
In Missouri, a landlord generally must return your security deposit within 30 days. Wrongful withholding can make the landlord liable for up to twice the amount wrongfully withheld. The governing statute is Mo. Rev. Stat. § 535.300.
What is the small claims court limit in Missouri?
Missouri's Small Claims Court (Circuit Court / Associate Division) hears claims up to $5,000, with filing fees of roughly About $20–$36. Most demand-letter disputes fall within this limit, which is what makes a demand letter such effective leverage.
How long do I have to sue in Missouri?
Missouri's statute of limitations is 10 years for written contracts, 5 years for oral contracts, 5 years for personal injury, and 5 years for property damage. Sending a demand letter does not pause these deadlines, so don't wait too long.
Do I have to send a demand letter before filing in Missouri?
Missouri does not always require a demand letter before suing, but sending one is strongly recommended: many courts expect it, it can resolve the dispute without filing, and it documents that you tried to settle in good faith — which helps your case if you do end up in Small Claims Court (Circuit Court / Associate Division).

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