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AB 12 and California’s New Security Deposit Cap: What It Means for You

Alex Doubet - Tuesday, July 22, 2025


AB 12 and California’s New Security Deposit Cap: What It Means for You


For renters and landlords across California, particularly those in the diverse and bustling Central Valley, a significant shift in housing law took effect on July 1, 2024. Assembly Bill 12 (AB 12), signed into law by Governor Gavin Newsom, has fundamentally altered the rules surrounding security deposits, aiming to make housing more accessible for tenants while requiring landlords to adapt their financial and operational strategies.


Previously, California landlords could demand a security deposit equivalent to up to two months' rent for unfurnished properties and three months' rent for furnished ones. AB 12 has dramatically streamlined this, capping most security deposits at a maximum of one month's rent, regardless of whether the unit is furnished or unfurnished. This includes any additional "pet deposits," which are now considered part of the overall security deposit and fall under the same one-month limit.


Why the Change? A Focus on Affordability

The driving force behind AB 12 is the pressing need for housing affordability in California. With rents consistently rising faster than incomes, the upfront cost of moving – particularly large security deposits – has become a major barrier for many prospective tenants. The legislative analysis for AB 12 highlighted that since 2000, rent in California has surged by 35%, while income only increased by 6%. This disparity has led to situations where individuals, even if they can afford monthly rent, struggle to accumulate the substantial upfront funds required for deposits, often resorting to debt or foregoing moves entirely. AB 12 seeks to alleviate this financial burden, making it easier for individuals and families to secure housing.


Impact on Central Valley Renters

For renters in the Central Valley, this new cap offers a welcome relief. From Bakersfield to Sacramento, the cost of living, while generally lower than coastal areas, still presents challenges. The reduction in security deposit requirements means less money tied up at the beginning of a tenancy, potentially freeing up funds for other essential moving expenses, furnishing a new home, or simply providing a much-needed financial cushion. This could lead to increased mobility and opportunity for residents seeking new housing in a competitive market.

What AB 12 Means for California Landlords

While beneficial for tenants, AB 12 introduces significant adjustments for landlords. The primary impact is a reduced financial safety net. Security deposits traditionally served as a crucial buffer against potential damages, unpaid rent, and other lease violations. With a smaller deposit, landlords may have less immediate funds to cover such issues.


To mitigate this increased risk, landlords are likely to adopt more rigorous tenant screening processes. This could involve more in-depth credit and background checks, thorough rental history reviews, and stricter income verification. The emphasis will shift towards finding tenants who demonstrate a strong financial history and a track record of responsible tenancy, minimizing potential future liabilities.

Landlords will also need to carefully review and update their lease agreements to reflect the new security deposit limits and ensure compliance. Clear communication with tenants about the revised terms is essential to foster transparency and manage expectations. Some landlords may explore alternative risk mitigation strategies, such as requiring additional references or even exploring specialized rental insurance products designed to cover tenant-related damages.


Exceptions to the Rule: Small Landlords

It's important to note that AB 12 does include a limited exception for "small landlords." If a landlord is a natural person or an LLC in which all members are natural persons, and they own no more than two residential rental properties that collectively include no more than four dwelling units, they may still collect up to two months' rent as a security deposit. This exemption aims to provide some flexibility to smaller property owners, recognizing their potentially greater reliance on deposits for financial security. However, this exception does not apply if the tenant is an active duty service member; in such cases, the one-month cap always applies.


Navigating the New Landscape

AB 12 represents a significant step in California's ongoing efforts to address its housing crisis. For both renters and landlords in the Central Valley, understanding and adapting to these new regulations is paramount. Renters will find it easier to access housing, while landlords will need to be more diligent in their tenant selection and consider alternative strategies to protect their investments. Staying informed about the nuances of this law and seeking professional legal or property management advice when needed will be key to navigating this evolving landscape successfully.

Sources:


  • California Assembly Bill 12 (AB 12) Official Text: Various legislative tracking websites, such as LegiScan and California Legislative Information, provide the full text of AB 12.

  • California Apartment Association (CAA): The CAA has published resources and advisories for landlords regarding the implementation of AB 12.

  • SF.gov Rent Board: The San Francisco Rent Board offers information on AB 12 and its local impact.

  • TheGuarantors.com: This resource provides an analysis of AB 12's impact and considerations for landlords.

  • Military Council of California: Information on security deposit laws specifically impacting active-duty military members in California (e.g., related to SB 611 and how AB 12 interacts).


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