Security Deposit Law in San Francisco, California

The 21-day rule every San Francisco landlord must follow

When your lease ends in San Francisco, California Civil Code § 1950.5 gives your landlord exactly 21 calendar days — not business days — to return your security deposit or send you a written itemization of every deduction. That clock starts the day you vacate and surrender keys. Miss it, and you may be entitled to statutory bad-faith damages on top of the deposit itself.

In San Francisco, where median rent sits around $3,400, a typical deposit of $3,400 is a meaningful sum. Landlords who drag their feet often bet renters will not push back. Document your move-out date in writing, keep proof of key return, and start counting day one immediately.

If the deadline passes without a proper response, you are not stuck negotiating forever. You can demand the full deposit, cite the missed deadline, and file in Superior Court of California, County of San Francisco for up to $10,000 in small claims court — filing fee $50 for most deposit disputes in this range.

How San Francisco renters lose deposits — and how the law protects you

Landlords in San Francisco often withhold deposits using boilerplate language about "damage" without explaining how each charge complies with state law. California limits what can be taken from your $3,400 deposit: unpaid rent, cleaning to return the unit to move-in condition, repairs beyond wear and tear, and lease-specified restorations.

What they cannot take: normal wear from living in the unit. Small nail holes from hanging pictures, gently worn kitchen floors, and sun-faded blinds after years of tenancy are not your bill. When a San Francisco property manager sends a deduction list that mixes legitimate charges with wear-and-tear items, challenge each line separately.

Local median rent near $3,400 means many disputes involve $2,000–$3,500 — well within small claims limits. You do not need a lawyer to enforce § 1950.5. You need dates, photos, your lease, and a clear written demand that cites the statute.

What a valid itemization looks like in San Francisco County

A lawful deduction letter must list each charge separately, explain why it is allowed under § 1950.5, and attach copies of invoices or receipts for any deduction over $125. Vague lines like "cleaning — $400" or "repairs — $600" without backup are easy to challenge in San Francisco.

Compare what you were charged against what you documented at move-in. Pre-existing scuffs, faded paint, and worn carpet from ordinary use are not billable to you. If your landlord repainted after a multi-year tenancy or replaced carpet that was already near end-of-life, those costs often fail the wear-and-tear test.

Renters in San Francisco who organize move-in and move-out photos with timestamps routinely recover deposits that landlords initially withheld. The law favors tenants who can show the unit's condition — not landlords who guess at damages months later.

Bad-faith penalties when San Francisco landlords miss deadlines

If your landlord willfully fails to comply with § 1950.5 — by missing the 21-day window, refusing to itemize, or deducting for prohibited items — you may recover up to twice the deposit amount in statutory damages, plus the deposit itself and any actual losses.

Courts in San Francisco County look at whether the landlord acted in bad faith, not whether they made an honest mistake. Sending a partial refund 30 days late without receipts is different from a good-faith error on a single $80 charge with documentation.

Before filing at Superior Court of California, County of San Francisco, send a formal demand letter by certified mail. Give your landlord a short window to cure the violation. Judges appreciate tenants who tried to resolve the dispute first — and your demand letter becomes evidence.

California Civil Code § 1950.5 — what the law requires

California Civil Code § 1950.5 governs every residential security deposit in California. Landlords must return your deposit or provide a written itemization within 21 calendar days from end of tenancy. Deductions over $125 require receipts. Normal wear and tear is never deductible.

• Deposit cap: 2 months rent for unfurnished, 3 months for furnished
• Pre-move-out inspection right: Yes — you can request one
• Bad-faith penalty: Up to 2x the deposit amount in statutory damages plus actual damages

What landlords can and cannot deduct

Related guides for San Francisco

• Move-Out Inspection Checklist in San Francisco
• Security Deposit Demand Letter in San Francisco
• Landlord Won't Return Deposit in San Francisco

Same topic in other cities

• Security Deposit Law in Los Angeles
• Security Deposit Law in San Diego
• Security Deposit Law in Oakland

Frequently asked questions

How long does a landlord have to return a deposit in San Francisco?

Landlords in San Francisco must return your deposit or provide an itemized statement within 21 calendar days after you move out, per California Civil Code § 1950.5.

What is the maximum security deposit in San Francisco?

For unfurnished units, landlords may charge up to two months' rent. For furnished units, the cap is three months' rent. At San Francisco's median rent of $3,400, that cap matters.

Can my San Francisco landlord deduct for normal wear and tear?

No. Faded paint, minor scuffs, and carpet wear from regular use cannot be deducted. Only damage beyond normal wear and tear, unpaid rent, and certain cleaning or restoration costs are allowed.

Where do I sue my landlord in San Francisco?

Most deposit disputes are filed in Superior Court of California, County of San Francisco. The filing fee is typically $50 for claims in the common deposit range, and you can recover up to $10,000 in small claims.