California Security Deposit Law: The 21-Day Rule and How to Recover 3x Damages

California Civil Code 1950.5 requires your landlord to return your deposit within 21 days of move-out with an itemized statement. Miss the deadline or withhold in bad faith = up to 3x the wrongfully withheld amount.

What the 21-Day Rule Requires

  • Return the full deposit, OR
  • Itemized statement with receipts + any remaining balance
Missing day 21 forfeits the right to ANY deductions. Send the itemization on day 22 = entire deposit must be returned.

Invalid Deductions

  • Normal wear and tear
  • Pre-existing conditions
  • Improvements beyond restoring original condition

Sue in Small Claims Court — no attorney, $12,500 limit. Bring move-in checklist, move-out photos, and your demand letter.

Section 9 includes the Security Deposit Demand Letter and Claude AI Prompt 9 to calculate your full damages claim.

Get the Kit — $47 →

Educational use only. Not legal advice. Justice Foundation.

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