Alberta Security Deposit Calculator
Calculate interest owed on rental security deposits using official Alberta rates. Download a PDF report for your records.
Deposit Details
Max deposit is one month's rent in Alberta
Year-by-Year Breakdown
Deposit Return Summary
Historical Interest Rates
| Year | Rate |
|---|---|
| 2026 | 0.00% |
| 2025 | 0.50% |
| 2024 | 1.60% |
| 2023 | 0.00% |
| 2022 | 0.00% |
| 2021 | 0.00% |
| 2020 | 0.00% |
| 2019 | 0.00% |
| 2018 | 0.00% |
| 2017 | 0.00% |
| 2016 | 0.00% |
| 2015 | 0.00% |
| 2014 | 0.00% |
| 2013 | 0.00% |
| 2012 | 0.00% |
| 2011 | 0.00% |
| 2010 | 0.00% |
| 2009 | 0.00% |
| 2008 | 1.26% |
| 2007 | 1.68% |
| 2006 | 1.71% |
| 2005 | 1.01% |
| 2004 | 0.42% |
Source: alberta.ca — Rate = ATB Financial cashable 1-year GIC rate (Nov 1 prior year) minus 3%.
Alberta Security Deposit Rules
Under the Residential Tenancies Act, Alberta landlords can collect a maximum security deposit of one month's rent. Interest must be paid at the rate set annually by the Alberta government.
When is interest paid?
Interest is paid annually on the tenancy anniversary, or when the deposit is returned. The interest is simple — calculated on the original deposit only.
Deposit return timeline
Landlords must return the deposit (plus interest) within 10 days of move-out, unless deductions are claimed. If deductions are claimed, a written statement is required within 10 days and the balance within 30 days.
Source: alberta.ca/annual-security-deposit-interest-rate. Updated for 2026.
Amount to Return
Landlord obligations
Under Alberta's Residential Tenancies Act, landlords must pay interest on security deposits annually or when the deposit is returned. The deposit must be returned within 10 days of move-out.