District of Columbia Security Deposit Law
What landlords in District of Columbia need to know about deposit limits, refund deadlines, interest, and penalties for getting it wrong.
Deposit cap
1 month's rent
Refund deadline
45 days
Interest required?
Yes
Interest at the passbook savings rate is required for the deposit period.
Separate account?
Not required
Penalty for noncompliance
Improper withholding can lead to treble damages.
Statute: D.C. Code § 42-3502.17
This page summarizes general state-level rules as of 2026 and does not cover city or county ordinances, which can be stricter. Verify against the statute cited above or with a local attorney before relying on it. See all states.