Security Deposits

Can a security deposit be used for unpaid rent?

California rental guidance and tenant-landlord operational information.
Published May 6, 2026 State-specific rental guidance Update This Question
Reviewed by Tenants & Landlords Editorial Team

This rental guidance was reviewed by the Tenants & Landlords Intelligence Team, specializing in lease agreements, notices, rent disputes, deposits, evictions, and tenant-landlord operational procedures.

Asked 27 days ago · California

Using Security Deposits for Unpaid Rent in California: What Tenants Need to Know

In California, security deposits play an important role in the rental process, providing landlords with a financial safeguard against damages and other lease violations. As a tenant, understanding how your security deposit may be applied, particularly in relation to unpaid rent, is essential for protecting your rights and planning your financial responsibilities.

What Is a Security Deposit?

A security deposit is a sum of money paid by the tenant to the landlord before moving into a rental property. It is intended to cover:

  • Unpaid rent
  • Repair of damage beyond normal wear and tear
  • Cleaning costs to restore the unit to the condition at move-in
Under California law, the security deposit can be up to two months’ rent for an unfurnished unit and up to three months’ rent for a furnished unit.

Can Security Deposits Be Used for Unpaid Rent?

Yes. In California, landlords are permitted to use the security deposit to cover unpaid rent at the end of the lease term or after the tenant vacates, provided certain conditions are met.

  • Unpaid Rent Allowed: If the tenant leaves the rental unit owing rent—whether for the last month of occupancy or any other unpaid rental period—the landlord may deduct that amount from the security deposit.
  • Process of Deduction: The landlord must itemize all deductions for unpaid rent and other costs when returning the security deposit, providing the tenant with a detailed written statement showing how the deposit was applied.
The Landlord’s Obligations Regarding Security Deposit Deductions

California law (Civil Code §1950.5) outlines what landlords must do when retaining any portion of the security deposit:

  • Written Itemization: Within 21 calendar days after the tenant moves out, the landlord must provide a written itemized statement of deductions along with any remaining deposit funds.
  • Deductions Are Limited: Deductions can only be made for:
- Unpaid rent owed - Repair of damages beyond normal wear and tear - Cleaning necessary to return the unit to the same level of cleanliness as at move-in - Any other costs explicitly authorized by the lease agreement or state law
  • Receipt Requirement: Landlords must provide receipts or invoices for any repairs or cleaning costs exceeding $125 if requested by the tenant.
What Tenants Should Do If They Owe Rent
  • Communicate Early: If you anticipate difficulty paying rent, communicate with your landlord as soon as possible to discuss payment plans or other arrangements.
  • Documentation: Keep records of rent payments, communications, and agreements to avoid misunderstandings later.
  • Inspect the Property: Before moving out, conduct a thorough inspection of the rental unit with your landlord, if possible, to agree on the condition and potentially avoid disputes related to security deposit deductions.
Tenant Rights and Remedies

If a tenant believes the landlord has improperly withheld the security deposit or used it incorrectly, particularly regarding unpaid rent deductions, tenants have several options:

  • Request an Explanation: Ask the landlord for a more detailed accounting of how the deposit was applied.
  • Small Claims Court: Tenants have the right to file a claim in small claims court to recover improperly withheld security deposit amounts. Courts may also award penalties if the landlord acted in bad faith.
  • Report Violations: Tenants can report violations to local tenant protection agencies or seek advice from legal aid organizations.
Summary: Security Deposits and Unpaid Rent in California
  • Security deposits can be used to cover unpaid rent in California.
  • Landlords must provide a written itemization within 21 days of move-out.
  • Deductions must be reasonable and supported by documentation.
  • Tenants should maintain clear communication and documentation to protect their interests.
  • If unfair deductions occur, tenants have access to legal remedies.
Understanding these rules can help tenants in California navigate the end of their lease more confidently and ensure that security deposits are handled fairly concerning unpaid rent.

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