For 2026, the maximum allowable rent increase for most multifamily properties in Los Angeles County depends on the property's age and location. For properties in the City of Los Angeles under the Rent Stabilization Ordinance (RSO), the cap is 3% annually through June 30, 2027. For non-RSO properties built over 15 years ago, the statewide Tenant Protection Act (AB 1482) allows an increase of 5% plus the local Consumer Price Index (CPI), with a total cap of 10%.
How Much Can You Raise Rent in LA County in 2026 for RSO Properties?
- The Cap: The primary rent increase cap for Los Angeles Rent Stabilization Ordinance (RSO) units is 3% for the period running from July 1, 2025, to June 30, 2027.
- Utility Surcharges: Landlords can add an extra 1% for gas and 1% for electric service if they are included in the rent, for a potential total of 5%, until a new formula takes effect.
- New Formula in 2026: A significant change occurs on February 2, 2026, when a new formula based on 90% of the Consumer Price Index (CPI) with a 1% to 4% range will be implemented. This new formula will decouple the utility surcharges.
- Applicability: The RSO generally applies to multifamily residential properties with a certificate of occupancy issued on or before October 1, 1978.
For owners of rent-stabilized properties in the City of Los Angeles, understanding the nuances of the RSO is critical for compliance and strategic planning. The current 3% cap provides a clear guideline for most of 2026. This rate was established to balance landlord needs with tenant stability after the COVID-era rent freezes. It’s crucial to note that this allowance applies to the 12-month period starting July 1st of each year. If you own apartments in Koreatown or Hollywood with certificates of occupancy pre-dating 1978, these are the rules that govern your investment.
However, the landscape is set for a shift. The introduction of the new CPI-based formula on February 2, 2026, marks a pivotal change. This future model, which constrains increases to between 1% and 4% based on inflation, removes the separate allowances for landlord-paid utilities. This change requires owners to recalibrate their long-term financial forecasts. As a leading advisor in LA County multifamily, Cameron Samimi helps clients navigate these complex regulatory shifts to optimize their asset performance. Understanding your property's specific profile is the first step in a successful strategy. To see how these rules affect your building's potential, you can request a free, no-obligation property valuation.
What Is the 2026 Rent Increase Limit Under California's AB 1482?
- The Formula: State law AB 1482 caps annual rent increases at 5% plus the local rate of inflation (CPI), or a hard cap of 10%, whichever is lower.
- Effective Period: The calculation for the 2026 cap will apply from August 1, 2025, to July 31, 2026.
- Pending CPI Data: The specific CPI figure for this period depends on data released in April 2026, which is typically published by May or June. For example, if the April 2026 CPI for the LA area is 3.5%, the total allowable increase would be 8.5% (5% + 3.5%).
- Property Eligibility: This law generally applies to multifamily properties that are more than 15 years old and are not covered by a stricter local rent control ordinance like the LA City RSO.
AB 1482, also known as the Tenant Protection Act of 2019, provides a baseline of protection for renters in areas without local rent control. This includes many buildings in cities like Culver City, Glendale, and Pasadena that were built after 1978. For investors, this statewide cap is a foundational piece of financial modeling. While you might project an 8% increase, the final number hinges on the official CPI data released mid-year. This variability underscores the importance of staying informed and preparing for multiple scenarios.
Properties exempt from AB 1482 include those built within the last 15 years, single-family homes not owned by a corporation or REIT, and duplexes where the owner occupies one of the units. For qualifying properties, landlords can implement up to two separate rent increases within a 12-month period, as long as the cumulative total does not exceed the annual cap. This flexibility can be a useful tool for phasing in adjustments. The expert team at Samimi CRE Advisors, a part of Lyon Stahl Investment Real Estate, regularly counsels owners on the most strategic way to apply these increases while maintaining positive tenant relations. If you are looking to purchase an asset with this profile, browse our current investment opportunities.
Are There Different Rent Control Rules in Other LA County Cities?
- Local Ordinances: Yes, several cities within Los Angeles County have their own unique rent control regulations that supersede or supplement state law AB 1482.
- Baldwin Park: This city has a local ordinance with a 3% rent cap, which is scheduled to remain in effect until January 17, 2026.
- Pomona: As of January 1, 2026, Pomona enforces a hard cap of 5% on annual rent increases.
- Others: Cities like Santa Monica and West Hollywood have long-standing, complex rent control laws that are typically stricter than both the LA City RSO and AB 1482.
- Unincorporated LA County: Areas not within an incorporated city's limits fall under AB 1482, but also have temporary wildfire-related price gouging protections capping increases at 10% through April 28, 2026.
Investing in Los Angeles County requires a hyper-local approach. You cannot assume the rules for a property in Westchester are the same as one in Inglewood. Each of the 88 cities in the county can establish its own rent stabilization ordinance, and many have. This patchwork of regulations makes expert guidance invaluable. For example, while the LA City RSO is a major factor, the stricter caps in cities like Baldwin Park and Pomona directly impact asset valuation and cash flow projections for properties in those markets.
Los Angeles County Rent Control Comparison (2026)
| Jurisdiction / Law | 2026 Maximum Rent Increase Cap | Effective Period |
|---|---|---|
| LA City RSO (pre-1978 buildings) | 3% (+1% each for gas/electric if landlord-paid, until Feb 2, 2026) | July 1, 2025 – June 30, 2027 |
| AB 1482 (Statewide, non-RSO >15 yrs old) | 5% + CPI (not to exceed 10% total) | August 1, 2025 – July 31, 2026 |
| Baldwin Park | 3% | Until Jan 17, 2026 |
| Pomona | 5% | From Jan 1, 2026 |
This landscape requires due diligence beyond the physical asset. When considering buying an apartment building, you must analyze the specific municipal code it falls under. The difference between an 8% potential increase under AB 1482 and a 3% cap under a local ordinance can mean hundreds of thousands of dollars in projected revenue over a holding period. Cameron Samimi’s track record—CoStar's #1 Transacting Multifamily Listing Agent in LA County for five consecutive years—is built on this kind of detailed, location-specific expertise. This knowledge is crucial whether you're a seasoned investor or a tired landlord looking for an exit strategy.
Do These Rent Caps Apply to Commercial Properties in Los Angeles?
- No Countywide Caps: There are no countywide or statewide rent control laws capping rent increases for commercial properties in Los Angeles County for 2026.
- Lease Governs: The terms of the commercial lease agreement are the primary determinant of when and how much rent can be increased.
- AB 1482 is Residential-Only: The statewide Tenant Protection Act (AB 1482) explicitly applies only to residential real estate.
- Market Driven: Rent increases for retail, office, and industrial properties are driven by market rates, lease negotiations, and contractual escalation clauses (e.g., fixed annual increases or CPI-based adjustments).
For investors focused on multifamily, mixed-use, and value-add properties, it's important to distinguish between residential and commercial tenants. If you own a mixed-use building in Venice with apartments upstairs and retail on the ground floor, the rent increase rules will be completely different for each component. The residential units will fall under either the LA City RSO or AB 1482, while the retail lease will be governed by the private contract you negotiated with the business owner. This is an area where our team, with its deep specialization in mixed-use assets, provides immense value. We help owners structure leases that protect their interests while remaining attractive to quality commercial tenants. If you're considering selling a mixed-use property, highlighting the stability of long-term commercial leases can be a key selling point.
What Notice Is Required to Raise Rent in Los Angeles County?
- 30-Day Notice: For any rent increase that is 10% or less (cumulatively over a 12-month period), landlords must provide tenants with a written 30-day notice.
- 90-Day Notice: For any rent increase that is more than 10% (cumulatively over a 12-month period), a written 90-day notice is required.
- Statewide Rule: These notice periods are mandated by California state law and apply across all of LA County, unless a local ordinance requires a longer period.
- Proper Service: The notice must be properly served to the tenant, either personally or by mail, with additional time added for mailed notices.
Compliance is not just about the percentage of the increase; it's also about the process. Failing to provide proper legal notice can invalidate a rent increase, forcing you to restart the process and potentially creating legal friction. In a market where allowable increases are tightly controlled, such as an LA RSO property with a 3% cap, the 30-day notice is standard. A >10% increase is not possible for RSO or AB 1482-capped units, making the 90-day notice requirement relevant primarily for exempt properties or in a market with extremely high inflation where an AB 1482 increase could theoretically exceed 10% (which is capped at 10% anyway).
With 334+ closed transactions totaling over $446M in volume, our team has seen firsthand how procedural errors can derail an otherwise sound management plan. We always advise clients to be meticulous with their paperwork and timing. This is a fundamental aspect of risk management in property ownership. For a detailed review of your current leasing and notice procedures, you can speak with an advisor on our team.
How Do Market Trends Affect Rent Increase Decisions in 2026?
- Rising Rents: As of early 2026, median rents in LA County are reportedly 2.1% above November 2024 levels, indicating continued upward pressure on market rates.
- Increased Inventory: At the same time, housing inventory is up 6.3% year-over-year, which can create competition among landlords and temper the ability to push for maximum increases.
- Location is Key: Demand remains exceptionally high in certain submarkets, particularly desirable neighborhoods or areas near public transit and employment hubs.
- Strategic Application: Even if a 8% increase is legally allowed under AB 1482, market conditions in a specific neighborhood might only support a 5% increase before vacancy risk increases.
Legal caps define the ceiling, but market reality determines the optimal rent. In 2026, LA County landlords must balance the legality of an increase with the practicalities of a competitive market. The 6.3% rise in inventory means tenants have more options. Pushing for the absolute maximum allowable increase might lead to higher turnover and vacancy costs, ultimately negating the gains from the rent hike. A savvy investor analyzes comparable rents in their immediate area—not just the city as a whole—before issuing a notice.
This is where deep market knowledge becomes a competitive advantage. Our team leverages real-time data to help clients make informed decisions. For instance, in Long Beach, the calculus might be different than in Santa Monica due to new construction and local demand drivers. A detailed apartment valuation guide can help you understand these factors. Ultimately, the goal is to maximize revenue, not just rent rate. A modest increase that retains a reliable, long-term tenant is often more profitable than a large increase that results in a two-month vacancy. This strategic approach is a hallmark of the advisory services offered by Cameron Samimi’s team, evident in our extensive track record of success.
Frequently Asked Questions (FAQ)
What is the maximum rent increase for a non-rent-controlled apartment in LA in 2026?
For a non-rent-controlled apartment in Los Angeles County subject to state law AB 1482 (typically those over 15 years old), the maximum increase is 5% plus the local CPI, with a firm ceiling of 10% total. The exact CPI percentage for the August 1, 2025 - July 31, 2026, period will be confirmed in April 2026.
Can my landlord raise my rent by 20% in Los Angeles?
No, a 20% rent increase is not permissible for most apartments in Los Angeles County. Properties under the LA City RSO are capped at 3% for 2026, and those under the statewide AB 1482 are capped at a maximum of 10%. Only certain exempt properties, like buildings constructed within the last 15 years, would not be subject to these caps.
How is the AB 1482 rent cap calculated for 2026?
The AB 1482 cap is calculated as 5% plus the percentage change in the Consumer Price Index (CPI) for the Los Angeles metropolitan area from the previous April. This figure is finalized each year around May/June for the period beginning August 1. For example, if the CPI is 3.2%, the allowable increase would be 8.2%.
Does a 1031 Exchange affect my ability to raise rents?
No, conducting a 1031 exchange to acquire a new property does not change the rent control rules that apply to that property. The building is still subject to any local or state rent stabilization ordinances, regardless of how it was purchased. The allowable rent increases are tied to the property itself, not the ownership transaction.
Are there any new eviction protections for LA County in 2026?
Yes, for Unincorporated LA County, a new rule effective April 16, 2026, changes the threshold for eviction based on non-payment of rent. The new threshold requires a tenant to owe at least two months' worth of fair market rent before eviction proceedings can begin, providing a significant new protection for tenants.
Who can I talk to about selling my apartment building in this regulatory environment?
Navigating the complex web of rent control regulations is a key part of a successful sales strategy. For expert guidance on how to position your property and maximize its value, you can speak with an advisor at Samimi CRE Advisors, recognized by CoStar as the #1 multifamily agent in LA County.
Understanding the allowable rent increases for 2026 is just one piece of optimizing your real estate investment in a market as complex as Los Angeles. Projecting cash flow, managing compliance, and identifying opportunities requires constant vigilance and deep expertise. If you are evaluating the financial future of your property and considering your next move, this is something we walk through with owners regularly — request a confidential valuation of your property today to start the conversation.

