Los Angeles Rent Increase Calculator (RSO) 2025-2026
Is your rent increase legal? Official LAHD limit is 3% flat from July 1, 2025 to June 30, 2026.
What is LA RSO?
Los Angeles Rent Stabilization Ordinance protects tenants in buildings built before Oct 1, 1978 with 2+ units. From July 1, 2025 through June 30, 2026, annual rent increases are capped at a flat 3% with no utility add-on surcharges allowed per Ordinance 188795 and LAHD. Over 600k units protected.
How Much Can Landlord Raise Rent in 2025-2026?
For RSO properties max is 3% in 2025-2026. More than that is illegal unless approved capital improvements. From Feb 2, 2026 new formula is 1% to 4% max (90% of CPI). Check building status on ZIMAS or text RSO to 1(855)880-7368.
What To Do If Illegal?
1. Don't pay illegal amount 2. Send written notice citing RSO Ordinance 188795 3. File complaint at LAHD housing.lacity.gov 4. Keep receipts. You are protected against retaliation eviction.
FAQ
Is my apartment under RSO? If built before Oct 1 1978 with 2+ units, yes.
Can landlord raise 10% in LA? No, under RSO max is 3% for 2025-2026. 10% is illegal.
Source: LAHD Official RSO Calculator and Renter Protections pages.