LandlordKit

Security Deposit Interest Calculator — District of Columbia

Calculate the interest you owe a District of Columbia tenant on their security deposit, using the state's own rule and statute.

This rate is published each year — confirm the current year's figure with the cited source before relying on it.

Interest owed to tenant

$60.86

Time held
2.03 yrs
Total to return
$2,060.86

District of Columbia rule

Deposits earn interest at no less than the statement-savings rate prevailing on January 1 and July 1 for each 6-month period of the tenancy, paid when the tenancy ends. The prefilled 1.5% is an estimate — confirm the actual prevailing rate.

When paid: At the end of the tenancy.

Last verified June 12, 2026.

Not legal advice. LandlordKit provides general informational tools, not legal advice. Landlord-tenant laws change and vary by city and county. Verify the cited statute and consult a licensed attorney before acting on any result.

How District of Columbia treats security deposit interest

Deposits earn interest at no less than the statement-savings rate prevailing on January 1 and July 1 for each 6-month period of the tenancy, paid when the tenancy ends. The prefilled 1.5% is an estimate — confirm the actual prevailing rate.

When it must be paid: At the end of the tenancy.

Worked example

Example: a $1,500.00 deposit held for 2 years at 1.50% per year. Simple interest owed ≈ $45.00, so the landlord returns about $1,545.00 in total. (Rates can change year to year — confirm the current figure.)

Last verified June 12, 2026.

District of Columbia security deposit obligations

Even where interest isn't required, District of Columbia still regulates the deposit itself: you generally must return it within 45 days of move-out (D.C. Mun. Regs. tit. 14 § 309). You must include an itemized statement of any deductions.

Open the District of Columbia deposit return tracker to confirm the deadline and build an itemized deductions statement.

District of Columbia security deposit interest FAQ

Do landlords have to pay interest on security deposits in District of Columbia?+

Yes. Deposits earn interest at no less than the statement-savings rate prevailing on January 1 and July 1 for each 6-month period of the tenancy, paid when the tenancy ends. The prefilled 1.5% is an estimate — confirm the actual prevailing rate. (D.C. Mun. Regs. tit. 14, § 311).

How is security deposit interest calculated in District of Columbia?+

Interest is simple (non-compounded). Multiply the deposit by the annual rate and by the number of years held. Interest accrues from the start of the tenancy.

When must District of Columbia landlords pay the interest to the tenant?+

At the end of the tenancy.

When must a District of Columbia landlord return the security deposit?+

Generally within 45 days of move-out (D.C. Mun. Regs. tit. 14 § 309). Use the LandlordKit deposit return tracker for the exact rule and an itemized statement.

Is the LandlordKit security deposit interest calculator free?+

Yes — it's completely free, requires no signup, and you can download a PDF interest statement to give your tenant.

Other states

Need the full picture? See the security deposit interest calculator for all states.