Is your rent increase legal? Use free calculator to check legal limit under LA RSO.
Los Angeles Rent Stabilization Ordinance protects tenants in buildings built before Oct 1 1978. Landlords can only increase once per 12 months, limited to 4% plus CPI. Over 600k units protected. This calculator uses official LAHD 2025-2026 data.
For RSO properties max is 4% in 2025-2026. More than that is illegal unless approved capital improvements. Check building status on LAHD website.
1. Don't pay illegal amount 2. Send written notice citing RSO 3. File complaint at LAHD 4. Keep receipts. You are protected against retaliation eviction.
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 ~4%. 10% is illegal.