19 Aug Missouri Landlord-Tenant Law: The Complete 2026 Guide for St. Louis Owners

Missouri Landlord-Tenant Law: The Complete, Up-to-Date Guide for St. Louis Property Owners

Missouri landlord tenant law is easy to misread because it lives in several different places at once. Rules on security deposits, notice periods, and evictions in Missouri are scattered across a handful of statutes and, for St. Louis City specifically, a separate set of municipal inspection requirements. We’ve referenced pieces of this across several other posts on this site; this guide pulls the core rules into one place, with the actual statute cited for each one, so you have a single reference instead of five half-answers.

Security Deposits (RSMo § 535.300)

Missouri law caps the security deposit at two months’ rent. Once the tenancy ends, you have 30 days to either:

• Return the full deposit, or
• Provide a written, itemized list of damages along with any remaining balance

You can only withhold funds for unpaid rent, damage beyond normal wear and tear, agreed-upon carpet cleaning (with receipts), and damages tied to the tenant giving inadequate notice. The deposit itself must be held in a federally insured banking institution. If you miss the 30-day window or withhold funds without justification, the tenant can recover twice the amount wrongfully withheld in court — so treat this deadline as non-negotiable, not a guideline.

Tenants also have the right to be present during the move-out inspection, which is worth building into your process regardless of whether they take you up on it — it heads off a lot of disputes before they start.

Notice Requirements to End a Tenancy (RSMo § 441.060)

For a standard month-to-month tenancy, either party can end it with one month’s written notice, timed to land on a rent-paying date. Tenancies shorter than one year follow the same one-month standard. Mobile home lot tenancies are the exception — those require 60 days’ notice tied to the next rent due date.

If your lease specifies a different notice period than the statutory minimum, the lease terms generally control as long as they don’t fall below what the statute requires.

The Eviction Process in Missouri

For nonpayment of rent: Missouri doesn’t require a mandatory waiting period before filing — the right to collect accrues as soon as rent is late under the terms of the lease. In practice, most landlords still send a written demand for payment before filing, both as a courtesy and because it creates a paper trail.

For lease violations other than nonpayment (unauthorized pets, property damage, unauthorized occupants, and similar issues), the standard practice is to give the tenant a notice to cure — typically 10 to 30 days — before proceeding. Document everything: dates, photos, and any police reports if relevant, since this becomes your case if it goes to court.

The court timeline generally runs:

1. File the complaint
2. Court hearing, usually 7–14 days after filing
3. Judgment, if the landlord prevails
4. Sheriff’s execution of the eviction, if the tenant doesn’t leave voluntarily

Altogether, plan for 3 to 5 weeks from filing to a completed eviction — and budget for it. Filing and service fees typically run $110–$150; attorney fees, if you use one, run $500–$1,500; lost rent during the process commonly runs $1,500–$3,000; and turnover/repair costs after a contested eviction often land between $800 and $2,000. This is one of the clearest arguments for tenant screening being worth the up-front time — see our guide on rental property red flags for what to check before you ever get to this point.

Landlord Entry and Tenant Privacy

Missouri doesn’t have a statute that spells out an exact notice period for landlord entry. What’s generally recognized in practice — and is a safe standard to follow — is 24 hours’ advance written notice, with entry during reasonable hours for a legitimate purpose (repairs, inspections, or showings). Emergencies (fire, flooding, a gas leak) are the obvious exception and don’t require advance notice.

Habitability and Repair Obligations

Missouri doesn’t have an explicit statutory “warranty of habitability” the way some states do, but Missouri courts recognize an implied duty requiring landlords to maintain functioning plumbing, heating, and electrical systems; adequate weatherproofing; a structurally safe unit; and code-compliant common areas.

If you don’t make a needed repair after written notice and a reasonable window (commonly cited as 14 to 30 days), a tenant may have the right to repair the issue and deduct the cost from rent, withhold rent for a severe condition, terminate the lease, or sue for damages. Staying ahead of this with regular inspections — see why we call them “maintenance walk-throughs” — is far cheaper than responding to it after the fact.

St. Louis City–Specific Rule: The Housing Conservation District Inspection

This is the piece that trips up landlords who are used to general Missouri law but new to the city specifically: 100% of property in St. Louis City sits inside a Housing Conservation District, which means every rental unit needs an occupancy certificate before it can be leased.

• The certificate is valid for 12 months; rental units require reinspection every 3 years, or whenever occupancy changes.
• Inspectors check the exterior, interior, and common areas against the International Property Maintenance Code, and confirm the maximum occupancy — no more than three unrelated people per dwelling.
• You can apply in person at City Hall (1200 Market St., 4th Floor, Room 425) or online at stlcitypermits.com; inspections are typically scheduled 3–15 business days after you apply.
• Water and electricity need to be on at the time of inspection.
• Fees run $120 for a vacant unit or $200 for an occupied unit without a current certificate.
• If violations are found, you get 30 days to correct them.

If you own property outside city limits, in St. Louis County or a surrounding municipality, check with that specific jurisdiction — occupancy and rental-inspection rules vary by municipality and are not standardized countywide.

Quick-Reference Compliance Checklist

• ☐ Security deposit does not exceed two months’ rent, and is held in an FDIC-insured account
• ☐ Deposit returned or itemized within 30 days of move-out
• ☐ Written notice to end a month-to-month tenancy given at least one month ahead, timed to a rent date
• ☐ Written demand sent before filing for nonpayment eviction (best practice, not required)
• ☐ Notice-to-cure given for lease violations before pursuing eviction
• ☐ 24 hours’ notice given before non-emergency entry
• ☐ Repairs affecting habitability addressed within 14–30 days of written notice
• ☐ St. Louis City occupancy certificate current (checked every 3 years or at each occupancy change)

Bottom Line

The rules that most often trip up St. Louis landlords aren’t obscure — they’re just spread across different statutes and, inside the city, a separate municipal inspection program most out-of-state and even some local owners have never heard of. Keep this page bookmarked as your reference point, and when a specific situation gets complicated (a contested eviction, a habitability dispute), loop in a Missouri-licensed attorney rather than relying on general guidance like this alone.

If you’d rather have someone else track all of this for you, let’s talk or call 314-802-0797 — staying current on exactly this kind of compliance is a core part of what we do for the owners we manage properties for.

Sources: RSMo § 535.300 — Security Deposits; RSMo § 441.060 — Notice to Terminate Tenancy; City of St. Louis — Residential Occupancy Permit.