California security deposit law

Read from the statute itself on 2026-11-09. Statewide rule; a city or county can add its own.

Maximum deposit
Depends — see the rule
Return deadline
21 days
Interest
Not required by the statute

Since July 1, 2024 (AB 12): one month's rent, furnished or not; a natural person or small LLC or family trust owning up to 2 rental properties with 4 units in all may take 2 months (not from service members). Return within 21 days. Photos at move-out from April 1, 2025, and at move-in for tenancies from July 1, 2025.

Calculate it for your rent

The cap depends on your situation
Since July 1, 2024 (AB 12): one month's rent, furnished or not; a natural person or small LLC or family trust owning up to 2 rental properties with 4 units in all may take 2 months (not from service members). Return within 21 days. Photos at move-out from April 1, 2025, and at move-in for tenancies from July 1, 2025.
Return deadline
21 days
No later than 21 days after the tenant moves out: an itemized statement of deductions, with receipts or estimates, plus any remaining deposit.
Interest required
No
Not required by the statute

California: common questions

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

Since July 1, 2024 (AB 12): one month's rent, furnished or not; a natural person or small LLC or family trust owning up to 2 rental properties with 4 units in all may take 2 months (not from service members). Return within 21 days. Photos at move-out from April 1, 2025, and at move-in for tenancies from July 1, 2025.

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

21 days. No later than 21 days after the tenant moves out: an itemized statement of deductions, with receipts or estimates, plus any remaining deposit.

Not legal advice. Confirm with a local landlord-tenant attorney before relying on a figure.

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