Security Deposit Rules
in Your Lease
What it actually means, what California law says, what's specific to San Francisco — and exactly what to do. In plain English.
⚡ Quick Summary — What You Need to Know
- California law limits security deposits to a maximum of one month's rent for unfurnished units and two months' rent for furnished units, regardless of what a landlord may request.
- Landlords in San Francisco must return the security deposit within 21 days after the tenant vacates the unit, along with an itemized written statement of any deductions made.
- Deductions from a security deposit are only legally permitted for unpaid rent, cleaning costs to restore the unit to its original condition, repair of damages beyond normal wear and tear, and restoration of furniture or personal property if applicable.
- Normal wear and tear, such as minor scuffs on walls, small nail holes, or carpet worn from regular use, cannot be deducted from a security deposit under California Civil Code Section 1950.5.
- If a landlord fails to return the deposit or provide the itemized statement within the 21-day deadline without justification, the tenant may sue in small claims court and potentially recover up to twice the amount of the deposit as a penalty in addition to the original deposit amount.
What Is a Security Deposit Rules?
What Are Security Deposit Rules?
A security deposit is money you pay your landlord before you move in, usually alongside your first month's rent. It acts as a financial safety net for your landlord in case you damage the apartment beyond normal wear and tear, skip out on rent, or leave the place less clean than you found it. In San Francisco and across California, this money is still legally yours. Your landlord is simply holding it on your behalf, and there are strict rules governing what they can do with it and when they must give it back.
California Civil Code Section 1950.5 is the main law that governs security deposits statewide. Under this law, landlords in California cannot charge you more than two months' rent as a security deposit for an unfurnished unit. For furnished apartments, the cap is three months' rent. San Francisco does not set a separate local limit, so the state cap applies. Unlike some states, California does not require your landlord to hold your deposit in a separate bank account or pay you interest on it, though some local ordinances in other cities do require this. San Francisco's Rent Ordinance does not currently mandate interest payments on deposits.
When your tenancy ends, your landlord has 21 days to either return your full deposit or send you an itemized written statement explaining any deductions, along with receipts for repairs or cleaning costs over $125. This 21-day deadline is firm under California law. Any deductions must be for legitimate reasons, such as unpaid rent, damage you caused beyond normal wear and tear, or necessary cleaning if you left the unit in a significantly dirtier condition than when you moved in. Landlords cannot deduct for things like faded paint, worn carpet from regular use, or small scuffs on walls. Those are considered normal wear and tear, and the cost of fixing them falls entirely on the landlord.
💡 Plain English Version
Your security deposit belongs to you the entire time your landlord holds it. In California, they can only keep it if you owe rent, caused real damage, or left a serious mess. They must return whatever is left within 21 days of you moving out, with a written explanation of any money they kept.
California Law on Security Deposit Rules
California State Law on Security Deposits
California has some of the strongest security deposit protections in the country, and they are spelled out in Civil Code Section 1950.5. This law governs nearly every aspect of how a landlord can collect, hold, and return your deposit. Under this statute, landlords are required to return your security deposit within 21 days after you move out. Along with the refund, they must provide an itemized written statement explaining any deductions they made. If a landlord fails to follow these rules, they can be held liable for the amount wrongfully withheld, plus additional penalties if a court finds the withholding was done in bad faith.
California law also limits how much a landlord can charge for a security deposit. For unfurnished rentals, the maximum is two months' rent. For furnished rentals, the limit is three months' rent. These limits apply regardless of whether the landlord calls the payment a "security deposit," "cleaning fee," or any other name. Any upfront money collected to protect the landlord against damages or unpaid rent counts toward this cap. It is worth noting that under AB 12, which took effect on July 1, 2024, most landlords in California are now limited to charging just one month's rent as a security deposit for unfurnished units, with limited exceptions for small landlords who own no more than two properties.
Landlords in California can only make deductions from your deposit for specific reasons. Under Civil Code Section 1950.5(b), allowable deductions include unpaid rent, cleaning costs to restore the unit to its original cleanliness level, and repair of damages beyond normal wear and tear. That last phrase is important. Normal wear and tear means the gradual, expected deterioration of a property from everyday living, such as small nail holes or carpet that has worn down over time. A landlord cannot charge you for repainting a wall simply because it looks faded after years of normal use.
✅ California Protections
Landlords must return your deposit within 21 days of move-out with an itemized statement of any deductions. Security deposits are capped at one month's rent for most unfurnished units under AB 12. Deductions for normal wear and tear are prohibited. Bad faith withholding can result in additional court-ordered penalties beyond the deposit amount itself.
What's Specific to San Francisco
San Francisco renters benefit from some of the strongest tenant protections in the country, and that extends to security deposits. While California state law (Civil Code Section 1950.5) sets the baseline rules, San Francisco adds its own layer of protections through the Residential Rent Stabilization and Arbitration Ordinance. One of the most important local rules is that landlords in San Francisco are required to pay interest on security deposits held for residential rentals. The San Francisco Rent Board sets the interest rate annually, and landlords must either pay this interest directly to the tenant each year or credit it toward rent. If your landlord has never mentioned this or paid you interest on your deposit, it is worth looking into, because this is a legal obligation, not a courtesy. You can find the current interest rate on the San Francisco Rent Board's website, and you have the right to request any unpaid interest going back to when your tenancy began.
San Francisco's rental market is one of the most expensive in the United States, which means security deposits here are often at the legal maximum. Under California law, landlords cannot charge more than two months' rent for an unfurnished unit or three months' rent for a furnished one, and this cap applies regardless of how competitive the market is. With median rents in San Francisco regularly exceeding three thousand dollars per month, that means deposits can easily reach six thousand dollars or more, making it especially important that tenants document the condition of their unit at move-in with photos and written notes. San Francisco also has a large stock of older housing, including many units built before 1979 that fall under rent control, and tenants in these units have additional protections when it comes to disputes with landlords. If your landlord wrongfully withholds your deposit, you can file a claim in San Francisco Small Claims Court for up to ten thousand dollars, and under Civil Code Section 1950.5(l), you may be entitled to up to twice the deposit amount as a penalty if the court finds the withholding was done in bad faith. The San Francisco Rent Board and local tenant unions like the San Francisco Tenants Union also offer free resources and counseling to help renters navigate deposit disputes.
Red Flags to Watch Out For
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🚨 Deposit Exceeds Two Months Rent
San Francisco law caps security deposits at two months rent for unfurnished units and three months for furnished ones. If a landlord demands more than this limit upfront, they are violating California Civil Code Section 1950.5 and potentially trying to collect funds they have no legal right to hold.
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🚨 No Written Move-In Checklist Offered
A landlord who skips the move-in inspection or refuses to provide a written itemized checklist of the unit's condition before you pay is a serious warning sign. Without this documentation, you lose critical protection against false damage claims when you eventually move out.
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🚨 Vague or Blanket Non-Refundable Deposit Language
Any lease clause stating the security deposit is non-refundable is illegal in California. Security deposits must be returned minus only lawful deductions. Landlords who include this language may be attempting to unlawfully keep your funds regardless of how you leave the unit.
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🚨 Landlord Refuses to Provide a Receipt or Written Record
If a landlord collects your security deposit in cash or check and refuses to give you a written receipt documenting the amount and purpose, this lack of transparency is a red flag. It can signal disorganized practices or deliberate intent to dispute the deposit amount later.
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🚨 Pressure to Skip the Pre-Move-Out Inspection
San Francisco tenants have the legal right to request a pre-move-out inspection during the final two weeks of tenancy. A landlord who discourages or outright refuses this inspection may be planning to make inflated or fraudulent deduction claims, leaving you with little recourse to correct issues before vacating.
Your Rights as a San Francisco Tenant
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✅ Right to a Written Itemized Statement
California law requires landlords in San Francisco to provide a written itemized statement of any deductions within 21 days of you vacating the unit. This statement must detail every charge made against your deposit, and any remaining balance must be returned to you along with receipts or invoices for any work performed.
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✅ Right to a Pre-Move-Out Inspection
Before your tenancy ends, you have the right to request a pre-move-out inspection in California. During this inspection, your landlord must provide you with a written statement listing conditions that could result in deductions, giving you the opportunity to fix those issues yourself before you leave and protect your deposit.
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✅ Right to Deposit Cap Protections
San Francisco landlords are legally limited in how much they can charge as a security deposit. Under California law, for unfurnished residential units the maximum deposit is two months' rent, and for furnished units it is three months' rent. Any amount collected beyond these limits is illegal and recoverable by the tenant.
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✅ Right to Sue for Bad Faith Withholding
If your landlord wrongfully withholds your security deposit or fails to return it within the required 21-day window, California law entitles you to sue in small claims court. A judge may award you up to twice the amount of the deposit as a penalty for bad faith retention, in addition to the original deposit amount owed.
What To Do — Step by Step
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1
Document the Property's Condition at Move-In
Before unpacking a single box, thoroughly photograph and video every room, wall, appliance, floor, and fixture. Note any existing damage in writing and send a copy to your landlord via email to create a timestamped record. This documentation is your strongest protection against wrongful deductions when you eventually move out.
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2
Request a Pre-Move-Out Inspection
Under California Civil Code Section 1950.5, you have the legal right to request an initial inspection from your landlord within two weeks before your move-out date. During this walkthrough, your landlord must provide a written itemized statement of any issues so you have the opportunity to fix them yourself before leaving, potentially saving your deposit.
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3
Provide Written Notice of Your Move-Out Date
Give your landlord proper written notice of your intent to vacate according to your lease terms, typically 30 days in advance. Send this notice via certified mail or email to create a paper trail. Proper notice protects you legally and starts the official clock on your landlord's obligation to return your deposit.
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4
Clean the Unit Thoroughly and Repair Minor Damage
After your pre-move-out inspection, address every item flagged by your landlord before your final move-out date. Patch small nail holes, deep clean appliances, carpets, and bathrooms, and replace any burned-out bulbs. San Francisco landlords cannot charge for normal wear and tear, but they can deduct for damage beyond that standard.
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5
Document Move-Out Conditions and Return Your Keys
On your final day, photograph and video the entire unit again in the same manner as move-in. Return all keys, garage openers, and access devices directly to your landlord and get written confirmation of the return date. This date officially starts the 21-day window California law gives landlords to return your deposit.
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6
Follow Up and Take Action If Your Deposit Is Withheld Unlawfully
If your landlord fails to return your deposit or provide an itemized written statement of deductions within 21 days, send a formal written demand letter requesting the full amount. If they do not comply, you can file a claim in San Francisco Small Claims Court for up to $12,500. California law allows you to sue for up to twice the deposit amount as a penalty if the withholding was found to be done in bad faith.