LA County Rent Cap Set at 1.919% for September 1, 2026

What happened: The Los Angeles County Department of Consumer and Business Affairs (DCBA) set the maximum allowable rent increase for rent-stabilized units in unincorporated areas at 1.919%. The adjustment period runs from July 1, 2026, to June 30, 2027, with the new rate taking effect for increases on or after September 1, 2026, subject to a 30-day notice.

On September 1, 2026, a new, restrictive rent cap takes effect for certain rental properties in Los Angeles County. This change directly impacts income calculations for investors and the advice real estate agents must provide their clients. The 1.919% cap is substantially lower than state-level limits, making jurisdiction verification a critical step in any transaction involving rental units.

What changed?

The Los Angeles County Department of Consumer and Business Affairs set the maximum annual rent increase for fully covered units under the County's Rent Stabilization and Tenant Protections Ordinance (RSTPO). For the adjustment period of July 1, 2026, through June 30, 2027, the cap is 1.919%.

This cap applies only to rent-stabilized properties in unincorporated parts of Los Angeles County. Landlords must provide tenants with at least 30 days' advance written notice before the increase takes effect.

There are two specific exceptions that allow for a slightly higher increase, provided the landlord meets strict criteria and files the proper certifications with the county:

• 2.919% for qualifying small-property landlords (those who own a limited number of units and self-certify with DCBA).
• 3.919% for qualifying luxury units that meet specific criteria defined by the ordinance.

Where a property is subject to both the County ordinance and California's state-level Tenant Protection Act (AB 1482), the stricter local ordinance—the 1.919% cap—applies.

When does it take effect?

The 1.919% rate applies to the county's fiscal adjustment year, but the practical effective date for tenants depends on when the landlord provides notice. The timeline is tight and requires owner diligence.

What this means in the South Bay and on the Westside

The key is jurisdiction. This 1.919% cap does not apply to properties within the city limits of Manhattan Beach, Hermosa Beach, Redondo Beach, Torrance, El Segundo, Santa Monica, or Culver City. It also does not apply to properties within the City of Los Angeles, which includes neighborhoods like Venice, Westchester, and Playa Vista.

This rule's impact is concentrated in the unincorporated pockets of Los Angeles County, sometimes called "county islands," which can be adjacent to or surrounded by these cities. For example, a small multi-family building in an unincorporated area near Torrance would be subject to this 1.919% cap, while a similar building a block away inside Torrance city limits would fall under the state's AB 1482 cap (currently around 8.7% for the LA metro area).

This massive difference in allowable rent growth has direct consequences:

• Underwriting is critical: For buyers of income property, using a generic 5% rent growth assumption in a pro forma is a major error if the property is in an unincorporated zone. The actual allowable growth is 1.919%, which dramatically lowers the projected Net Operating Income (NOI) and property valuation. This is especially true for lenders using Debt Service Coverage Ratios (DSCR) to qualify a loan.
• Seller-side pressure: For existing owners in unincorporated areas like Ladera Heights or pockets near the Palos Verdes Peninsula, the math is becoming difficult. With property taxes, insurance, and maintenance costs rising much faster than 1.919% annually, profit margins are compressed. This financial pressure may push more owners to sell.

We see this create challenges in escrow when a buyer's lender discovers the property's true rent restrictions late in the process, potentially jeopardizing the loan amount and the entire deal. Diligence starts with a parcel map and the tax bill to confirm jurisdiction before an offer is even written.

What agents and homeowners should do now

Proactive steps are necessary to avoid surprises at the closing table. Here is a checklist for navigating this change.

1. Verify Jurisdiction Immediately. Before listing or making an offer on an income property, confirm if it is in an incorporated city or an unincorporated part of LA County. This can be done using the LA County Assessor's portal or by reviewing the property's tax bill. This is the single most important step.

2. Update Pro Formas and Valuations. Agents and investors must use the correct rent cap in their financial models. For properties subject to the county ordinance, cap future rent growth at 1.919%. Do not use market-rate assumptions or the higher state-level AB 1482 cap.

3. Scrutinize Seller Disclosures and Rent Rolls. Buyers should demand clear disclosure from sellers regarding the property's rent-control status. Review the current rent roll and ask for copies of any rent increase notices served in the past 12-24 months to ensure they were compliant with both timing and percentage limits. Illegal rent increases can create significant liability for a new owner.

4. Audit Compliance Paperwork. For sellers claiming a higher cap (2.919% or 3.919%), buyers must verify that the landlord properly registered and self-certified with the Los Angeles County Department of Consumer and Business Affairs (DCBA). Without this documentation, the lower 1.919% cap applies.

5. Plan for Squeezed Margins. Existing owners should budget for another year of costs rising faster than rental income. This may influence decisions to hold, sell, or refinance. For buyers, the lower income growth may require a larger down payment to meet lender requirements.

Open questions

While the core rate is confirmed, some details remain pending official clarification or are deal-specific.

• The exact DCBA bulletin or docket number for the 2026–2027 rent increase announcement is not yet prominently published. For legal documentation, obtaining the official PDF bulletin from the DCBA website is recommended.
• The 2027–2028 rent cap has not been determined. It will be calculated based on CPI data in mid-2027 and remains a significant variable for long-term hold strategies.
• Parcel-specific jurisdictional status must be confirmed for each property. Assumptions based on ZIP code or neighborhood name are unreliable.

Sources

We always recommend consulting primary sources for definitive guidance.

• Los Angeles County Department of Consumer and Business Affairs (DCBA) - The agency that administers the county's rent stabilization ordinance.
• Los Angeles Housing Department (LAHD) - For rules governing properties within the City of Los Angeles (RSO).
• California Legislative Information - For the official text of state laws like the Tenant Protection Act (AB 1482).

FAQ

What is the new rent cap in LA County for 2026?

The maximum allowable rent increase for fully covered, rent-stabilized units in unincorporated Los Angeles County is 1.919%. This rate is for the adjustment period from July 1, 2026, to June 30, 2027, and takes effect for increases on or after September 1, 2026.

Does the 1.919% rent cap apply in Manhattan Beach or Santa Monica?

No. The 1.919% cap only applies to covered units in unincorporated LA County. Cities like Manhattan Beach follow state law (AB 1482), and cities like Santa Monica have their own, separate rent control boards and regulations. The City of Los Angeles also has its own rules (RSO).

How is the LA County rent cap calculated?

The LA County rent cap is calculated annually by the DCBA based on a formula tied to the regional Consumer Price Index (CPI). The ordinance sets floors and ceilings to how much the rent can be adjusted each year based on inflation.

Can a landlord evict a tenant to get a higher rent?

No. The County's Rent Stabilization and Tenant Protections Ordinance provides 'just cause' eviction protections. This means a landlord cannot evict a tenant simply to raise the rent for a new tenant beyond the allowable cap. Evictions must be for one of the limited, allowable reasons specified in the ordinance.

This new rent cap introduces a significant compliance and underwriting challenge for transactions in specific local areas. The financial impact of getting the jurisdiction wrong is too great to leave to chance.

If you are buying, selling, or refinancing an income property in the South Bay or on the Westside, contact us before you open escrow. We can help you and your clients verify the critical details that protect the transaction. Call Matt Goeglein and Xavier de la Piedra IV at Fidelity National Title to get ahead of any issues.