Rent Fees

Can landlords increase rent during a lease term?

Missouri rental guidance and tenant-landlord operational information.
Published April 8, 2026 State-specific rental guidance Update This Question
Reviewed by Tenants & Landlords Editorial Team

This rental guidance was reviewed by the Tenants & Landlords Intelligence Team, specializing in lease agreements, notices, rent disputes, deposits, evictions, and tenant-landlord operational procedures.

Asked 56 days ago · Missouri

Can Landlords Increase Rent During a Lease Term in Missouri?

Understanding the rules around rent increases is essential for tenants in Missouri to protect their rights and ensure clarity in their rental agreements. One common question tenants have is whether landlords can increase rent during the term of a lease.

Rent Increases During a Lease Term

In Missouri, the general rule is that landlords cannot increase the rent during the term of a fixed lease agreement unless the lease explicitly allows for it. This means:

  • If you have a written lease for a specified period (e.g., 12 months), the landlord must abide by the rent amount agreed upon in the lease until that lease expires.
  • The landlord cannot unilaterally raise the rent before the lease ends without your consent, unless the lease contains a provision that permits rent adjustments during the lease term.

Why Is This Important?

  • Lease Stability: A fixed-term lease is a binding contract outlining the rent amount, giving tenants rent stability and predictability.
  • Protection Against Arbitrary Increases: Missouri law prevents landlords from imposing unexpected rent hikes mid-lease, which provides tenants with financial security.

Situations When Rent May Increase During a Lease Term

While rent increases are generally prohibited mid-lease, there are a few exceptions or specific lease provisions that could permit adjustments:

  • Lease Terms Allowing Rent Increases: Some leases include clauses for rent escalation based on certain conditions, such as increases in property taxes, utility costs, or inflation indexes. If these provisions exist in the lease, the landlord can raise rent mid-lease as described in the agreement.
  • Month-to-Month Tenancies: For tenants renting on a month-to-month basis (no fixed lease term), landlords can increase rent with proper notice. In Missouri, landlords must provide at least 30 days’ written notice before increasing rent with a month-to-month tenancy.

Important Points About Notice Requirements

Missouri does not have a state statute specifying the notice period for rent increases during a fixed lease term because such increases are generally not permitted. However, for month-to-month tenants, the landlord must:

  • Provide at least 30 days’ written notice before the rent increase takes effect.
  • Ensure the notice is clear and unambiguous about the new rent amount and the date it becomes effective.
If a landlord tries to raise the rent mid-lease without following these rules or without proper lease provisions, the tenant is not legally obligated to pay the higher amount until the lease term ends.

What Should Tenants Do If a Landlord Attempts to Increase Rent Mid-Lease?

If your landlord tries to increase your rent during the lease term without a provision allowing it:

  1. Review Your Lease Agreement:
- Check whether it includes any clauses about mid-term rent increases. - Look for any rent escalation or adjustment provisions.
  1. Request Written Notice:
- Ask the landlord to provide formal, written notice of the increase and the legal basis for it.
  1. Communicate in Writing:
- Respond to the landlord in writing if you dispute the rent increase. - Keep copies of all communication for your records.
  1. Seek Assistance:
- Contact local tenant advocacy groups or legal aid organizations in Missouri for guidance. - Consider consulting an attorney if the landlord insists on an unauthorized increase.

Summary

  • Landlords in Missouri cannot increase rent during a fixed lease term unless the lease specifically allows it.
  • For month-to-month tenancies, landlords must give at least 30 days’ written notice before increasing rent.
  • Tenants have the right to refuse unauthorized rent increases mid-lease.
  • Always review your lease agreement carefully and communicate in writing if you encounter any rent increase attempts.
By understanding these guidelines, tenants in Missouri can better protect their rights and maintain stable housing arrangements throughout their lease term.

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