The Key Answer
Since July 1, 2024, the security deposit for most California rentals has generally been limited to one month's rent. There is a statutory exception for certain small landlords. If someone demands two or three months' rent as an upfront “fee,” carefully check the legal basis.
How the Rules Work
California AB 12 generally limits security deposits to one month's rent for furnished and unfurnished units. Under certain conditions, smaller landlords who own no more than two rental properties with a total of no more than four units, as individuals or qualifying LLCs, may collect up to two months' rent. Special limitations and exceptions also apply, including protections for certain service members. Rules for returning the deposit and making deductions are separate.
California rental laws protect people against discrimination on various protected grounds, although lawful financial screening may still be permitted. A lease should be signed with the actual landlord or an authorized representative. Cities may have additional tenant rules and support services. Keep payment receipts, the complete lease, and notes from property viewings in case of a dispute.
Steps to Take
1. Before signing, distinguish the monthly rent, any ordinary prepaid rent, and the security deposit. Check whether cleaning, key, or pet deposits count toward the overall legal deposit limit. Renaming a charge does not automatically remove it from the law.
2. Compare the requested deposit with the general limit and any applicable exception. California's Department of Real Estate explains AB 12 and small landlords. If the request exceeds one month's rent, ask for the legal basis in writing.
3. Read the full lease, including term, payment date, repairs, utilities, and permitted occupancy. Check whether local rent control or other tenant protections also apply.
4. Document the property's condition at move-in through photographs and a written checklist. Record existing damage, meter readings, and keys received. This can help resolve disputes about deductions later.
5. Pay only the verified contractual party and keep receipts. When moving out, California law generally requires the landlord to return the deposit or provide an itemized accounting of lawful deductions within 21 days.
6. If money is wrongfully withheld, review California Courts Self-Help information about written demands and available remedies. Gather supporting evidence and seek advice if needed before pursuing a claim.
A Practical Example
An apartment is listed at $1,800 a month with a $3,600 deposit. For most landlords, the request would raise a legal issue because it exceeds one month's rent. A limited exception may apply to certain small landlords. Instead of immediately alleging fraud, the applicant checks whether the exception applies and requests a written explanation.
Common Problems
– Declaring every two-month deposit illegal without checking the statutory exception. – Treating additional deposits as entirely outside the overall legal limit. – Moving in without documenting the property's condition. – Ignoring the general 21-day rule for deposit accounting after moving out.
Frequently Asked Questions
Q: Is the security deposit always exactly one month's rent? A: Most landlords are subject to that limit, but statutory exceptions exist.
Q: Can additional deposits avoid the limit by having a different name? A: The legal treatment depends on what the charge actually does, not merely its label.
Q: When must a deposit generally be returned or accounted for? A: California Courts describes a usual 21-day period after the tenancy ends.
Before paying anything, compare your recurring monthly housing costs with your available funds and realistic income. Document the first month's rent, lawful security deposit, utilities, and move-in date separately. Confirm that any verbal promises appear in the written agreement. If a dispute arises, keep correspondence in writing and consider independent local tenant advice.
Checklist
□ Rent and deposit separated □ AB 12 exception checked □ Additional charges reviewed □ Move-in condition documented □ Payment receipts saved □ Deposit accounting and deductions checked after move-out
Official and Helpful Resources
• https://www.dre.ca.gov/newsroom/DRE_Updates/2025_05_28_Know_Your_Rights.html • https://selfhelp.courts.ca.gov/guide-security-deposits-california • https://oag.ca.gov/news/press-releases/attorney-general-bonta-issues-consumer-alerts-guidance-protect-california
Please confirm current rules and availability with the official sources. This article is not individualized legal or benefits advice.
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