Rent Collection

Can landlords increase rent during a lease term?

South Dakota rental guidance and tenant-landlord operational information.
Published March 25, 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 69 days ago · South Dakota

Rent Increases During a Lease Term in South Dakota: What Landlords Need to Know

As a landlord in South Dakota, understanding your rights and responsibilities regarding rent increases is crucial for smooth property management and maintaining positive tenant relationships. One common question is whether landlords can increase rent during an active lease term. This guide provides a clear, detailed explanation of the rules and best practices related to rent increases in South Dakota.

Can Landlords Increase Rent During the Lease Term?

In South Dakota, the ability of a landlord to raise rent during an ongoing lease term depends largely on the type of lease agreement in place:

  • Fixed-Term Lease (e.g., One-Year Lease):
Generally, landlords cannot increase rent during an active fixed-term lease unless the lease agreement itself explicitly allows for such an increase. Once a lease is signed and the term has begun, the rent amount agreed upon typically remains fixed until the lease expires.
  • Month-to-Month Lease:
For tenants who rent on a month-to-month basis, landlords can increase rent at any time, provided they give the tenant proper notice as required by South Dakota law.

Key Point: The Lease Agreement Governs Rent Increases During a Fixed Term

If the lease is silent on rent increases during the term, no increase is permitted. A lease clause allowing periodic rent adjustments must be clear and agreed upon by both parties before the lease starts.

Notice Requirements for Rent Increases

South Dakota law requires landlords to provide tenants with adequate written notice before increasing rent. The specifics are as follows:

  • For Month-to-Month Tenancies:
Landlords must provide at least 30 days’ written notice before the rent increase takes effect. The notice must clearly state the new rent amount and the date it becomes effective.
  • For Fixed-Term Leases:
Notice of rent increase is generally not applicable during the lease term unless the lease specifically provides for it. If the lease ends and transitions to a month-to-month tenancy, the landlord must provide 30 days’ notice before any increase.

How to Deliver Notice

Written rent increase notices in South Dakota can be delivered via:
  • Personal delivery to the tenant
  • Mailing the notice to the rental unit or tenant’s last known address
  • Other methods as stipulated in the lease agreement
It’s recommended to keep a copy of the notice and proof of delivery to avoid disputes.

Best Practices for Landlords When Increasing Rent

While South Dakota law provides the basic framework, landlords should consider best practices to maintain good tenant relations and comply with local expectations:

  • Review the Lease Agreement Carefully:
Don’t attempt to raise rent during a fixed term unless the lease permits it. Doing so may lead to legal challenges or tenant disputes.
  • Provide Clear and Timely Written Notice:
Send the rent increase notice well in advance — at least 30 days — and in writing, ensuring tenants understand the change and when it applies.
  • Communicate Transparently:
Explaining the reasons for a rent increase (e.g., increased maintenance costs or property upgrades) can help tenants accept the change.
  • Consider Market Conditions:
Benchmark rent increases against comparable properties to remain competitive and avoid excessive hikes that may lead tenants to move out.
  • Document Everything:
Keep records of all correspondence, lease agreements, and notices to protect yourself if disputes arise.

Summary: Rent Increase Rules in South Dakota at a Glance

Lease TypeRent Increase Allowed During Lease?Notice Requirement
Fixed-Term LeaseNot allowed unless lease permitsN/A unless lease allows; otherwise at renewal
Month-to-Month LeaseAllowed with 30 days’ notice30 days’ written notice required

Conclusion

In South Dakota, landlords must respect the terms of the lease agreement when considering rent increases during an ongoing lease. Fixed-term leases generally lock in the rent amount for the duration, while month-to-month arrangements provide more flexibility with a 30-day written notice. By following these rules and best practices, South Dakota landlords can effectively manage rent increases while maintaining good relationships with their tenants and minimizing legal risks.

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