Typical residential security deposit amount a landlord holds and later accounts for on a return statement in Delaware (2026)
A typical Delaware range, the local factors behind it, and the tools to price your own project.
Reviewed for 2026, updated September 8, 2026.
What drives the cost in Delaware
Delaware deposits generally sit near the national typical range, with the Wilmington suburbs and the beach communities around Rehoboth and Bethany pulling higher during the summer season. The state caps deposits at about one month's rent for year-long tenancies, requires the money to sit in a dedicated escrow account, allows about 20 days for return, and permits doubled damages, so the timeline is tight. Coastal humidity and salt air along the Atlantic side accelerate corrosion on fixtures and hardware, and Delaware's lack of a sales tax is a small comfort when buying replacement materials.
Tips for Delaware buyers
- Twenty days is short; start the inspection on move-out day and do not wait for a forwarding address to begin drafting.
- Disclose the escrow account details to the tenant as the statute expects, and keep that disclosure with the lease file.
- Seasonal beach rentals are usually handled under different rules than year-round leases, so know which one your lease is before you write the statement.
Ranges are hedged planning estimates derived from a national typical range and a local index, not quotes. A typical single deposit on a market-rate residential rental is commonly around one month's rent, which puts most deposits somewhere in this range; actual amounts vary widely with local rents, unit size, pets, and state caps, and this is a working reference rather than a survey figure.
Price your project
- Deposit Deduction Depreciation Calculator: Estimates how much of a carpet, paint, blind, or appliance replacement a landlord can fairly deduct from a security deposit once the item's age and normal wear are taken into account.
- Security Deposit Refund Statement Calculator: Adds up the deposit held, any interest owed, and each itemized deduction to show the exact refund due to the tenant or the balance the tenant still owes.
- Late Deposit Return Penalty Exposure Calculator: Shows landlords how many days remain before a state return deadline and what missing it could cost when a statute allows forfeited deductions or multiplied damages.