Connecticut Rent Increase Questions (2026)

Connecticut has no statewide percentage cap and requires 30 days' written notice. Tap a question for the full plain-English answer.

• Can my landlord raise my rent in Connecticut?

  Yes — in Connecticut your landlord can raise your rent, and there is no fixed limit at the state level. They still must give you 30 days' written notice before the new rent starts.

• How much can rent be raised in Connecticut?

  Connecticut does not set a percent cap on rent increases. Landlords can propose any amount as long as they follow the 30-day written notice rule and don't violate a lease or a local ordinance.

• How much notice is required for a rent increase in Connecticut?

  Connecticut requires at least 30 days' written notice before a rent increase can start on a month-to-month tenancy. Verbal notice is not enough.

• Is a 10% rent increase legal in Connecticut?

  In Connecticut a 10% increase is generally within the legal range because there's no statewide percentage cap, as long as you get 30 days' written notice.

• Can my landlord raise rent without notice in Connecticut?

  No. Connecticut requires at least 30 days' written notice before a rent increase can start. If no notice was delivered, the new amount is generally not owed.

• Can my landlord raise rent during my lease in Connecticut?

  Generally no. In Connecticut, a fixed-term lease locks in the rent until the lease ends. A mid-lease increase is only allowed if your lease contains a specific clause allowing it.

• What if my rent increase is illegal in Connecticut?

  You generally do not owe the unlawful portion. Save the notice, respond in writing citing Connecticut's 30-day rule, and contact a local tenant-rights or legal-aid organization.

• Is there rent control in Connecticut?

  No — Connecticut does not have statewide rent control. Individual cities may have their own local ordinances that cap rent.

• How often can rent be raised in Connecticut?

  Connecticut does not limit how often rent can be raised at the state level, but each increase still needs 30 days' written notice and must not violate a fixed-term lease.

• Can my landlord raise rent after my lease ends in Connecticut?

  Yes. When your lease ends in Connecticut, your landlord can offer a renewal at a new rent, as long as they give you 30 days' written notice.

Not legal advice. Consult a licensed Connecticut attorney for a binding opinion on your specific situation.