How much can a landlord charge for a security deposit in Delaware?

One month's rent for leases of a year or more, and for month-to-month tenancies after the first year; no cap for shorter leases or furnished units (Del. Code tit. 25, § 5514).

How long does a landlord have to return a security deposit in Delaware?

20 days after the lease ends (Del. Code tit. 25, § 5514).

Delaware security deposit law

The state rules a landlord in Delaware has to follow for a residential security deposit, from Del. Code tit. 25, § 5514.

Maximum deposit: One month's rent for leases of a year or more, and for month-to-month tenancies after the first year; no cap for shorter leases or furnished units.
Deadline to return it: 20 days after the lease ends.
Itemized deductions: An itemized list of damages with the estimated repair cost for each, plus payment of the difference, within the 20 days.
Interest on the deposit: Not required by state law
Penalty for wrongful withholding: Failing to return the deposit or balance in 20 days entitles the tenant to double the amount wrongfully withheld.

Before you keep any part of a deposit

Compare the unit with the move-in inspection and photos. Normal wear and tear is generally not chargeable.
Keep receipts or written estimates for every deduction.
Send the return or the itemized list within the deadline above, to the tenant's forwarding address, and keep proof of mailing.

Working out the last month's rent? The prorated rent calculator does the partial-month math.

Source

Verification status: verified summary. Research date: November 5, 2026. Statute: Del. Code tit. 25, § 5514. Source: delcode.delaware.gov.

General information, not legal advice. Cities and counties can add stricter rules, and laws change. Check the current statute or a local attorney before you act.

Other states: Arizona · Florida · all states

Last updated November 5, 2026.