Deposit Index and Interest Rates
Pursuant to Connecticut General Statutes § 36a-26, the Commissioner has determined the deposit index for the calendar year 2025 to be 0.52%.
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Interest Rates for Calendar Year 2025
| Account | Statutory Reference | Interest Rate |
|---|---|---|
| 47a-21(i) | 0.52% | |
| Claims for property, funds, or money delivered to the State Treasurer | 3-70a(e) | 0.52% |
| Mortgage escrow accounts |
49-2a (section requires that the interest rate be not less than the deposit index, rounded to the nearest one-tenth of one percentage point) |
0.5% |
| Public service company, certified telecommunications provider and electric supplier customer security deposits | 16-262j(c) (section requires that the interest rate be not less than the higher of the deposit index, rounded to the nearest one-tenth of one percentage point, or 1.5%) |
1.5% |
Previous Interest Rates
Previous Interest Rates for rental security deposit and claims for property, funds, or money delivered to the State Treasurer; public service company, certified telecommunications provider and electric supplier customer security deposits; and mortgage escrow accounts.
Previous Interest Rates for rental security deposit and claims for property, funds, or money delivered to the State Treasurer; public service company, certified telecommunications provider and electric supplier customer security deposits; and mortgage escrow accounts.
Previous Deposit Indexes
The deposit index for calendar year (CY) 2024 is 0.55%; CY 2023 is 0.27%; CY 2022 is 0.06%; for CY 2021 is 0.08%; for CY 2020 is 0.15%; for CY 2019 is 0.15%; for CY 2018 is 0.09%; for CY 2017 is 0.08%; for CY 2016 is 0.08%; for CY 2015 is 0.08%; for CY 2014 is 0.09%; for CY 2013 is 0.11%; for CY 2012 is 0.16%; for CY 2011 is 0.28%; for CY 2010 is 0.34%; for CY 2009 is 0.60%; for CY 2008 is 0.94%; for CY 2007 is 0.94%; for CY 2006 is 0.76%; for CY 2005 is 0.53%; for CY 2004 is 0.55%.