South Dakota has no rent control or caps on increases in 2026, allowing landlords full discretion on amounts. Tenants in month-to-month leases get 30 days’ written notice; fixed-term leases lock rent until renewal.
No Limits on Amount or Frequency
Landlords can raise rent by any percentage—e.g., 20%, 50%—as often as monthly for month-to-month tenancies, provided proper notice. State law (SDCL 6-1-13) bans local rent control, keeping it landlord-friendly. No 2026 changes; market drives hikes amid low vacancy.
Notice Requirements
Month-to-month: 30 days’ written notice specifying new amount and effective date (before next payment). Fixed-term (e.g., 1-year): No mid-lease increases unless lease allows; propose at renewal with 30 days’ notice. Week-to-week: 7 days to quit or adjust. Email/text OK if lease permits; keep records.
Lease Types Impact
| Lease Type | Increase Allowed? | Notice Needed |
|---|---|---|
| Month-to-Month | Anytime | 30 days written |
| Fixed-Term | End of term only | 30 days pre-end |
| Week-to-Week | Anytime | 7 days |
Tenant Rights and Recourse
Challenge discriminatory (race, disability) or retaliatory hikes (post-repair requests) via SDCL 43-32; sue for injunction/damages. Unjustified? Terminate within 15 days of notice, effective next period. No habitability tie—rent due regardless. Report to Consumer Protection.
When Increases Are Illegal
- Mid-lease without clause.​
- Less than 30 days’ notice.​
- Retaliation post-rights exercise.​
- Discrimination under Fair Housing Act.​
Renewal Process
Landlord offers new terms; accept or vacate with notice (30 days month-to-month). No “good cause” eviction needed for nonpayment post-increase refusal.
Practical Tenant Tips
Negotiate at renewal; document everything; know market rents via Zillow. Fixed leases shield from hikes; break early risks fees. Seek legal aid via SD Legal Services for disputes.
Landlord Perspective
Flexibility aids adjustments for taxes/repairs; notice ensures fairness. Sample notice: state old/new rent, date.
SOURCES:
- https://innago.com/south-dakota-landlord-tenant-laws/
- https://sdlegislature.gov/Statutes/6-1-13












