Start with the accounting
California Courts explain that, after move-out, a landlord generally has 21 days to return the deposit or return the balance with an itemized explanation of deductions. Repair and cleaning deductions totaling more than $125 must be supported with copies of invoices or receipts, or, for work done by the landlord or an employee, a description of the work, the time spent, and the hourly rate. A good-faith estimate is permitted only when repairs by the landlord or an employee cannot reasonably be completed within 21 days, or when required documents from an outside company have not yet arrived. The landlord must then send the final statement, the documents, and any further refund within 14 days after the repairs are finished or the documents are received. Since April 1, 2025, landlords must also photograph the unit before and after repairs or cleaning and provide the photos with the statement, with limited exceptions; for tenancies that began on or after July 1, 2025, they must photograph the unit at move-in too. Starting January 1, 2026, a landlord who received the deposit or rent electronically must generally return the deposit electronically unless both sides agree otherwise in writing. A late refund, an unsupported charge, and a disputed repair are related but distinct issues. California Courts: security deposit guide
Separate damage from ordinary wear
The California Attorney General explains that permitted deductions can include unpaid rent, necessary cleaning to restore the move-in level of cleanliness, and repair of tenant-caused damage beyond ordinary wear. A deposit cannot properly fund pre-existing damage, ordinary wear, or unreasonable expenses. Records of the unit’s condition help frame the issue. California Attorney General: security deposit rights
Understand the additional-damages rule
The Attorney General describes the remedy for bad-faith withholding as actual loss plus up to twice the amount of the security deposit. The additional award is discretionary. A disagreement about a deduction does not, by itself, establish bad faith. The evidence and circumstances matter. Official explanation of bad-faith damages
Why people call it “treble”
For illustration only: if the entire $2,000 deposit is wrongfully withheld and a court also awards the maximum additional $4,000 for bad faith, the combined award would be $6,000. That arithmetic is the source of the shorthand. It is not a guaranteed multiplier, and a partial withholding or different findings can produce a different result.
Keep a focused file
Gather the lease, proof of the deposit, move-in and move-out condition records, inspection communications, the itemized statement, and the refund history. Keep copies of requests for an explanation or repayment. Additional documentation rules and local protections may matter; this introduction does not cover every requirement. California Courts describe written demands and court options when a dispute cannot be resolved.
This article is general information, not advice for your situation. It does not cover every exception, procedure, remedy, or deadline.
Official resource: California Courts: security deposits
Related practice area: Consumer Law