City of Boulder Interest Rate for 2026: 2.08%
Jennifer Crowell | Published on 12/18/2025
City of Boulder Interest Rate on Tenant Security Deposits Decreases for 2026
The interest rate for 2026 tenant security deposits is set at 2.08%, effective Thursday, Jan. 1, 2026. This is the mathematical average of the one-year certificate of deposit from the top three financial institutions in Boulder, based on market share data as of Dec. 15, 2025.
This calculation has been prepared in accordance with Ordinance 7320, which was adopted on Feb. 17, 2004. Relevant code language may be found in Chapter 12-2: Landlord-Tenant Relations of the Boulder Revised Code (sections 12-2-2 and 12-2-4 through 12-2-7).