Joint and Several Liability for Missouri Roommates: What Renters Need to Know

Sharing a rental in Missouri can be a practical way to save money, but it also comes with specific legal responsibilities. One of the most important concepts to grasp is joint and several liability—a term that affects how you and your roommates share responsibility for rent and possible damages. Knowing how this works protects your rights and financial interests when renting shared housing in Missouri.

Understanding Joint and Several Liability for Roommates

Joint and several liability means that each roommate who signs the lease is both individually and collectively responsible for the full amount of rent, as well as damages or costs under the lease. In practical terms:

  • If the rent is $1,200, and one roommate does not pay their share, the landlord can require the full $1,200 from any one of the roommates listed on the lease.
  • The same applies to charges for damages to the property beyond normal wear and tear.

This principle is standard in Missouri under most residential leases. It applies even if roommates have a personal agreement to split rent, because the landlord holds all signers responsible as a group and individually.

Why Does Joint and Several Liability Matter?

Here’s how this affects you as a renter:

  • If your roommate misses paying rent, you could be pursued for the unpaid amount.
  • If there are damages to the rental, you could risk losing your security deposit even if you did not cause the damage.
  • Landlords can choose who to pursue for money owed—they do not have to collect from everyone equally.
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Missouri law does not require landlords to track down every roommate for payment. They can seek the total amount from any one lessee.

Official Missouri Tenant Law and Resources

Missouri’s rules on rental agreements and obligations are set out in the Missouri Landlord-Tenant Law (Chapter 535, RSMo). The main government contact for renters’ issues is the Missouri Attorney General's Office. While Missouri does not have a state housing tribunal, small claims or circuit courts typically handle tenant disputes.

Relevant Forms for Missouri Roommates

  • Notice to Vacate:
    Roommates wishing to move out should provide written notice to their landlord, as required by the lease. While there is no statewide official form, most renters use a simple written or typed letter. The Attorney General offers sample language and guidelines.
    Example: If one roommate wants to leave before the lease ends, they should formally notify the landlord in writing, but remain legally responsible unless formally removed from the lease.
  • Small Claims Filing Forms:
    If roommates have disputes over expenses or security deposit splits, they may use Small Claims Court forms (MO Courts) to sue or defend themselves.
    Example: After moving out, a roommate believes they are unfairly charged for damages caused by others. They can file a claim to recover their share.

Breaking or Changing a Lease—Protecting Yourself

If a roommate needs to move out early, it's vital to understand how to minimize risk:

  • Negotiate with the landlord to sign a new lease or amend the current one, formally removing the departing roommate.
  • Get all agreements in writing, with signatures from all parties.
  • Use written notice and follow lease terms for ending or updating roommate arrangements.
If you're considering subletting or adding/removing roommates, always get the landlord's approval in writing. Unauthorized changes may violate your lease.

If the landlord agrees to change the lease, a written amendment or new contract is needed. Otherwise, all original signers remain responsible under joint and several liability.

Where to Get More Information

The Missouri Attorney General's Landlord-Tenant Law page has useful guides, sample notices, and contact details for reporting concerns. The Missouri Courts website offers official forms for rental disputes.

  1. What happens if my roommate doesn't pay their share of the rent?
    Because of joint and several liability, your landlord can seek the full rent from any roommate named on the lease, even if you paid your portion.
  2. Can I remove my name from the lease if I move out early?
    You remain responsible until the landlord agrees, in writing, to remove you from the lease. Always get this change documented.
  3. What legal action can I take if I'm unfairly charged for damages?
    You can use Missouri Small Claims Court forms to file a claim and recover money from former roommates or the landlord.
  4. Is there an official government agency for tenant complaints?
    Missouri does not have a state housing tribunal. For most disputes, contact the Missouri Attorney General's Office or local courts.
  5. How can I best protect myself in a roommate situation?
    Communicate openly, use detailed written agreements, and consult official resources to understand your rights and responsibilities under Missouri law.

Conclusion: Key Takeaways for Missouri Roommates

  • Joint and several liability means your landlord can hold any roommate fully responsible for unpaid rent or damages.
  • Put all roommate arrangements in writing, and keep copies of communications with your landlord.
  • Use official Missouri forms and resources when changing your lease or resolving disputes.

Understanding your responsibilities can help prevent disputes and protect your financial security in shared housing.

Need Help? Resources for Renters


  1. Missouri Landlord-Tenant Law (Chapter 535, Revised Statutes of Missouri)
  2. Missouri Attorney General's Office—Landlord Tenant Law
  3. Missouri Courts—Small Claims Forms
Bob Jones
Bob Jones

Editor & Researcher, Tenant Rights USA

Bob writes and reviews tenant law content for various regions. They’re passionate about housing justice and simplifying legal protections for renters everywhere.