# Connecticut — Security deposit interest requirements by US state — which states make a landlord pay interest on a held deposit, and at what rate, quoted from the statute For Connecticut, interest required is Yes; rate or how it's set is not less than the deposit index; condition that triggers the duty is No interest for any month in which the tenant was more than ten days late with rent, unless the landlord imposed a late charge for it; citation is Conn. Gen. Stat. § 47a-21(i); “deposit index” defined at § 36a-26, recorded from its source on 2026-09-02. - **Jurisdiction:** Connecticut _(our reading, not quoted from the source)_ - **Interest required:** Yes _(our reading, not quoted from the source)_ - **Rate or how it's set:** not less than the deposit index _(verified: appears in the quote below)_ - **Condition that triggers the duty:** No interest for any month in which the tenant was more than ten days late with rent, unless the landlord imposed a late charge for it _(our reading, not quoted from the source)_ - **Citation:** Conn. Gen. Stat. § 47a-21(i); “deposit index” defined at § 36a-26 _(our reading, not quoted from the source)_ ## What the source says > On and after January 1, 2012, the rate for each calendar year shall be not less than the deposit index, as defined in section 36a-26 , for that year. ## Where each value comes from This source states these in separate places, so each value is shown with the passage that states it. ### Condition that triggers the duty > Interest shall not be paid to a tenant for any month in which the tenant has been delinquent for more than ten days in the payment of any monthly rent, unless the landlord imposes a late charge for such delinquency. ## Source - https://www.cga.ct.gov/current/pub/chap_831.htm Last verified: 2026-09-02. Review by: 2027-03-01. Part of [Security deposit interest requirements by US state — which states make a landlord pay interest on a held deposit, and at what rate, quoted from the statute](https://referencesource.org/security-deposit-interest-requirements-by-state/).