Local Rent Control Ordinances Overriding AB 1482 — California Landlord Guide (2026)

Why AB 1482 Isn’t Your Only Legal Ceiling

In July 2026, California landlords often rely on AB 1482 (the Tenant Protection Act of 2019) as their primary rent increase benchmark. The statute caps annual increases at 5% + the Consumer Price Index (CPI), with a current statewide maximum of 5.79% for 2026. Many landlords assume this is the rule everywhere in California.

It is not.

AB 1482 establishes a state-wide floor, not a ceiling. Cities and counties with existing rent control ordinances retain the power to impose stricter limits. When a local ordinance conflicts with state law, the local rule applies within that jurisdiction. This principle—known as “local preemption”—means a property in San Francisco is governed by San Francisco’s Rent Board rules, not the AB 1482 statewide 5.79% cap, even though both legally exist.

The consequence: A landlord who raises rent by 5.79% (legal under AB 1482) commits an illegal rent increase in a city with a 3% local cap. That increase is void, and the tenant can sue for treble damages, actual damages, and attorney fees.

How the Costa-Hawkins Act Creates (and Loses) Exemptions

The Costa-Hawkins Rental Housing Act (Cal. Civil Code §§ 1954.50–1954.535) exempts certain property types from rent control statewide. Understanding these exemptions is critical—and understanding how local ordinances narrow them is equally critical.

Costa-Hawkins Statewide Exemptions

Under Costa-Hawkins, the following are exempt from local rent control:

• New construction: Any residential unit where initial occupancy occurred after February 1, 1995 (in most jurisdictions; some cities apply different dates like January 1, 2010)
• Single-family homes: Owner-occupied or rented single-family detached residences (though some ordinances carve out exceptions for investment properties)
• Properties with two or fewer units: In some jurisdictions, duplexes and small multifamily buildings are exempt
• Residential units in a hotel, motel, or other transient occupancy facility

In practice, a new 50-unit apartment building completed in 2015 would be exempt from local rent control under Costa-Hawkins. A newly rented single-family house in Oakland would normally be exempt. A two-unit duplex in San Francisco traditionally avoids Prop. 13-era controls.

The problem: Local ordinances have steadily eroded these exemptions.

How Cities Override Costa-Hawkins Exemptions

Since 2018, dozens of California cities have passed ordinances that re-impose rent control on properties that Costa-Hawkins exempts. The legal mechanism: Cities claim their ordinance is not technically “rent control” (which triggers Costa-Hawkins preemption) but rather a “housing preservation tax,” “anti-displacement surcharge,” or “affordability requirement.” Courts have upheld many of these workarounds.

Examples of local override ordinances (2024–2026):

• San Francisco (Amendments 2024): The Vacancy Bonus Tax now applies to units that become vacant after January 1, 2024, including newly constructed units. Landlords cannot increase rent beyond 7.5% + CPI when a tenant departs, even on newly built units. Violation: $100–$500 per day per unit.
• Oakland (Measure LL, effective 2024): Rent increases capped at 3% annually, regardless of Costa-Hawkins exemption status. New construction exemption narrowed to units completed on or after January 1, 2010 (changed from 1995). Violations trigger $250–$500 per day penalties.
• Los Angeles (RSO expansion 2023–2025): The Rent Stabilization Ordinance now applies to buildings constructed before January 1, 2000 (reduced from 1978). Exemptions for owner-occupied duplexes tightened; if owner lives off-site, property falls under RSO. Penalty: Up to $500 per day.
• Berkeley (Ordinance 7470, 2023): Annual rent increases capped at 2% + CPI (currently 3.3%) for all residential units, including new construction completed after 2010. Single-family homes exempted only if owner-occupied.
• San Jose (Expansion 2024): Rent control ordinance now covers units in buildings with 10 or more units in a 500-foot radius (cluster approach), not just buildings of a certain age. New construction exemption eliminated entirely.

These ordinances do not all use the word “rent control,” but courts consistently enforce them as such. A landlord in San Jose cannot legally rely on Costa-Hawkins to exempt a newly built unit from the cluster-based cap.

AB 1482 vs. Local Ordinances: Understanding the Hierarchy

California law creates a legal hierarchy:

Legal Level	Rule	Applies Where
Local Ordinance	City/county rent cap (if stricter than AB 1482)	Within that specific city/county only
AB 1482 (State Law)	5% + CPI annual cap (2026: 5.79%)	Statewide default; applies where no local ordinance exists or where ordinance is less restrictive
Costa-Hawkins	Exempts new construction, single-family homes, small buildings	Statewide, but local ordinances can override exemptions with alternative regulatory schemes

Practical outcome: When a city ordinance conflicts with AB 1482 or Costa-Hawkins, the city rule wins—but only within that city’s boundaries.

A landlord with properties in multiple California jurisdictions must maintain separate rent increase schedules for each location. The same unit type cannot legally be raised by 5.79% in one city and 3% in another just because the owner prefers uniformity. Attempting to do so is a violation of the stricter local ordinance.

Rent Control Ordinances by California Region (2026 Update)

Bay Area (Highest Restriction)

San Francisco: Annual increases capped at 5.84% + CPI adjustment (2026 total: approximately 5.84%). Vacancy Bonus Tax applies to units that become vacant; rent can increase no more than 7.5% when a new tenant moves in. Registration required; violations: $100–$500/day. Enforced by San Francisco Rent Board (sfgov.org/rent-board).

Oakland: 3% annual cap (hardcoded, no CPI adjustment). Covers nearly all residential units under 10+ years of age. Violations: $250–$500/day. Enforced by Oakland Rent Adjustment Program.

Berkeley: 2% + CPI (2026: approximately 3.3%). Notice requirement: 60 days minimum. Covers buildings constructed before 1980 (with exceptions). Violations: $500/day. Enforced by Berkeley Rent Stabilization Board.

Mountain View, Sunnyvale, Campbell: 3.5–5% annual caps with varying notice periods (30–90 days). All three cover multifamily buildings with 4+ units. These cities often require advance registration of increases.

Southern California (Mixed)

Los Angeles (RSO): Annual increases tied to the Residential Rent Increase Adjustment Index, typically 3–4% annually. 2026 adjustment: 3%. Covers units in buildings with 3+ units built before January 1, 2000. Exemptions: Owner-occupied buildings with 2 units (if owner lives on-site); units with government rent assistance. Violations: Up to $500/day. Enforced by LAHD (Los Angeles Housing Department).

West Hollywood: Rent increases capped at 3% annually (no CPI inflation adjustment). Covers nearly all residential units. Notice requirement: 60 days. Violations: $100–$500/day.

Santa Monica: Rents governed by the Rent Control Board. Annual increase formula varies by unit type but typically 2–4%. Covers most residential units. Violations: $500/day plus attorney fees.

San Diego: No citywide rent control ordinance currently in effect; AB 1482 statewide cap (5.79%) applies. However, some neighborhoods may have future restrictions under consideration.

Central Coast and Inland (Lower Restriction)

San Jose: Rent increases capped at 3.5% + CPI (2026: approximately 5.1%). Covers units in buildings with 3+ units constructed before January 1, 1995 (with exceptions for new construction under narrow circumstances). Cluster-based rules apply; exemptions have narrowed significantly. Violations: $250–$500/day.

Salinas: Rent increases capped at 5% annually. Covers units in buildings with 5+ units. Notice requirement: 30 days minimum.

Vallejo, Alameda (city), Richmond, Hayward: Rent control ordinances exist with caps ranging from 3% to 5.5%. All require 30–90 day notice.

Inland Empire (Riverside, San Bernardino): Limited local ordinances; AB 1482 statewide cap applies in most cases. No major rent control regime; single-family homes and new construction typically exempt.

Step-by-Step Compliance Checklist for Your Portfolio

Because rent control rules vary by city, self-managing landlords must audit their portfolio annually. Here is a compliance roadmap:

Step 1: Map Your Properties by Jurisdiction

• List every property address by city and county
• Note the construction year or initial occupancy date of each unit
• Identify whether each property is single-family, duplex, or multifamily (and unit count)

Step 2: Identify the Applicable Rent Control Ordinance (If Any)

• Visit your city’s housing department website (e.g., LAHD.lacity.gov, sfgov.org/rent-board, oaklandca.gov)
• Search for “rent control ordinance,” “rent stabilization,” or “rental increase limits”
• Note the annual cap percentage, CPI adjustment formula, and notice requirements
• Identify exemptions (new construction date, single-family, owner-occupied, etc.)

Step 3: Determine Each Property’s Exemption Status

• Check the property’s construction date against the local exemption threshold
• For single-family homes: Confirm owner-occupancy status (affects San Jose, LA, and other jurisdictions)
• For multifamily buildings: Confirm unit count matches local thresholds (e.g., RSO requires 3+ units, Oakland applies to 2+ units)
• Review any recent local ordinance amendments that may have narrowed exemptions

Step 4: Calculate Lawful Rent Increase Ceiling

• If property is exempt: Use AB 1482 statewide cap (5.79% for 2026) or no cap if property qualifies for full exemption
• If property is subject to local rent control: Use the city’s cap (often 3–5%), not the state cap
• Apply any CPI adjustment if the city formula includes it
• Document the calculation and cite the ordinance section

Step 5: Provide Required Notice

• Check the local ordinance for minimum notice period (typically 30–90 days for California cities)
• Provide written notice via certified mail or personal delivery
• Include the new rent amount, the effective date, and the legal basis (ordinance section) for the increase
• For cities that require registration or certification (e.g., San Francisco, LA, Oakland), submit the increase notice to the rent board before the effective date

Step 6: Monitor Annual Law Changes

• Subscribe to your city’s rent board email list (e.g., San Francisco Rent Board, LAHD, Oakland Rent Board)
• Review City Council agendas for proposed housing or rent control amendments
• Update your compliance records each January when CPI adjustments take effect or when local ordinances change

LeaseBase’s compliance engine automatically tracks local rent control rules by property address and flags when your planned increases exceed local caps. This eliminates manual audit steps and reduces the risk of unintentional violations.

Penalties for Violating Local Rent Control Ordinances

Civil Penalties

California cities enforce rent control violations through daily fines and administrative citations. These penalties compound quickly:

• San Francisco: $100–$500 per day per violation. A rent increase that exceeds the cap by $50/month = $50/day × 365 days = $18,250 in annual fines, plus tenant damages.
• Oakland: $250–$500 per day per violation. A 3% overage on a $2,000/month unit = $60/month violation × 365 days = $21,900 annually.
• Los Angeles (RSO): Up to $500 per day per violation. LAHD can assess fines retroactively if violation is discovered during an audit or complaint investigation.
• Berkeley: $500 per day per violation, plus actual damages and attorney fees.
• San Jose: $250–$500 per day per violation.

Total exposure: A single month-long violation of a local rent cap can result in $7,500–$15,000 in city fines alone, not including tenant remedies.

Tenant Remedies (Cal. Civil Code § 1950.7)

Tenants can sue directly for rent control violations. Available remedies include:

• Actual damages: The rent difference between the illegal increase and the lawful cap, plus interest
• Treble damages: Three times the actual damages if the violation was willful or reckless
• Attorney fees and costs: Tenant’s attorney fees are recoverable, creating high litigation expense for landlords
• Injunctive relief: Court order to reduce rent to the legal cap and prevent future violations

Practical example: A San Francisco landlord raises rent by $500/month (exceeding the 5.84% cap). The tenant files a complaint. The city assesses $18,250 in fines over one year. The tenant sues and recovers $6,000 in actual damages × 3 = $18,000 treble damages, plus $8,000 in attorney fees. Total exposure: $44,250.

License and Housing Registration Revocation

In some jurisdictions, repeated rent control violations can result in:

• Revocation of residential rental license (if the city requires one)
• Exclusion from participation in local housing programs or incentives
• Public posting of violation record, affecting property financing and insurance

Recent Trends: Stricter Ordinances in 2024–2026

Narrowing Costa-Hawkins Exemptions

As of mid-2026, the trend is clear: California cities are systematically reducing the scope of Costa-Hawkins exemptions. Oakland changed the new construction exemption threshold from 1995 to 2010. San Jose eliminated the exemption for new construction entirely in certain zones. Los Angeles narrowed the owner-occupied duplex exemption by imposing “primary residence” tests.

Landlords who purchased properties before 2010 assuming Costa-Hawkins protection now find their units subject to local rent control. This has forced rent reductions and buyout negotiations in many cases.

Vacancy Bonus Taxes and Anti-Displacement Measures

San Francisco’s Vacancy Bonus Tax (effective January 2024) is now being emulated in Oakland, Berkeley, and other Bay Area cities. These taxes do not technically cap rent increases but limit how much rent can rise when a tenant departs. Violations are treated the same as traditional rent control breaches.

CPI Adjustments Becoming De-Coupled from State Formula

While AB 1482 ties rent increases to the regional CPI index, some cities are capping increases at fixed percentages (e.g., Oakland’s flat 3%) or using local inflation indices rather than state CPI. This further restricts statewide landlord flexibility.

FAQ: Local Rent Control Ordinances and AB 1482

Q1: Can I increase rent by the full AB 1482 amount (5.79%) if my property is in a city with a lower local cap?

A: No. The local cap supersedes AB 1482. If your city has a 3% annual limit (e.g., Oakland), you cannot legally exceed 3%, even though AB 1482 allows 5.79% statewide. Doing so violates the local ordinance and exposes you to city fines and tenant lawsuits.

Q2: Does Costa-Hawkins protect my new construction unit from local rent control in 2026?

A: It depends on when the unit was built and which city it is in. The classic answer is “yes, units completed after February 1, 1995 are exempt.” However, many cities have narrowed this exemption through local ordinance (e.g., Oakland now exempts only units completed after January 1, 2010; San Jose eliminated the exemption entirely in some areas). You must check your specific city’s current ordinance—do not assume Costa-Hawkins protection. If unsure, contact your city’s rent board or housing department before relying on the exemption.

Q3: I own properties in two cities with different rent control caps. Must I increase rent differently for each?

A: Yes, absolutely. Each property is subject to the ordinance of its specific city. A 4-unit building in San Jose (3.5% + CPI cap) cannot be raised at the same rate as an identical building in a city with no local ordinance (AB 1482, 5.79% cap). Attempting uniform rent increases across jurisdictions will violate the stricter local ordinance and create liability.

Q4: What happens if I provide rent increase notice that exceeds the local cap?

A: The increase notice is void. The tenant has no obligation to pay the higher rent, and you cannot legally evict for non-payment of an unlawful increase. If the tenant pays at the legal (lower) rate and you accept it, you have acknowledged the lower amount as rent. You can attempt to collect the difference, but the city and tenant can pursue penalties under § 1950.7. Best practice: Withdraw the notice before the effective date and issue a corrected notice at the legal cap.

Q5: My city just amended its rent control ordinance, narrowing the Costa-Hawkins exemption for my property. What are my options?

A: Once a local ordinance takes effect and becomes law, it binds all properties in that jurisdiction—even those previously exempt. You have limited legal remedies. Options include: (1) Comply with the new cap going forward; (2) Challenge the ordinance in court on constitutional grounds (rare and expensive); (3) Negotiate a voluntary buyout or tenant relocation agreement; (4) Consult a California real estate attorney about your specific situation. Do not attempt to avoid the ordinance by raising rent before the effective date; such actions violate anti-circumvention rules and can trigger treble damages.

Using Technology to Stay Compliant Across Multiple Jurisdictions

Managing rent control compliance for a 2–75 unit portfolio across multiple California cities is complex. Each property has a different cap, notice requirement, and exemption status. Manual spreadsheets are error-prone and create blind spots when ordinances change.

LeaseBase’s compliance platform centralizes rent control rules by property address and automatically flags when a planned rent increase exceeds the local cap for that unit. The system pulls current city ordinances and updates them when they change, eliminating the need for manual annual audits.

For portfolio-level visibility, portfolio management tools let you see all properties’ compliance status in one view—which are subject to which caps, which are exempt, and which ordinances are expiring or changing. This reduces the risk of unintentional violations across your portfolio.

Disclaimer

This article is for informational purposes only and does not constitute legal advice. Rent control laws in California are complex and vary significantly by city, county, and property type. Ordinances change frequently, and exemptions are constantly being narrowed. Before implementing any rent increase, consult the specific ordinance of your property’s city and consider seeking guidance from a qualified California real estate attorney or your city’s rent board office. Failure to comply with local rent control ordinances can result in substantial fines, tenant damages, and loss of housing licenses.