Typical residential security deposit amount a landlord holds and later accounts for on a return statement in California (2026)
A typical California 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 California
California rents in the coastal metros are among the highest in the nation, so even a single-month deposit usually sits at or above the top of the national range. The state limits most deposits to about one month's rent (with a narrow exception for very small landlords), requires an itemized statement within 21 days, expects receipts or good-faith estimates for deductions above a modest threshold, gives the tenant a right to a pre-move-out inspection, and has added photo documentation expectations under recent law, so confirm the current rules before every move-out. Wildfire smoke, coastal salt air, and earthquake settling all create wear a tenant did not cause, and cities like San Francisco, Los Angeles, and Berkeley layer their own interest and rent-control rules on top of the state statute.
Tips for California buyers
- Offer the initial inspection in writing before move-out; skipping it is one of the fastest ways to lose a deduction in California.
- Check the city ordinance where the property sits, since several cities require interest on deposits that the state statute does not.
- Attach receipts or written estimates to every deduction line and note when a final invoice will follow.
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.