California’s Anti-Retaliation Law: What Landlords Can’t Do After You Complain

California Civil Code § 1942.5 prohibits landlords from retaliating against tenants who exercise their legal rights. If you report habitability violations, contact a code enforcement agency, or organize with other tenants — and your landlord responds with an eviction notice or rent increase — that retaliation is illegal and creates its own legal liability.

The Presumption of Retaliation

The law creates a rebuttable presumption of retaliation if a landlord takes adverse action within 180 days of protected activity. That means the landlord must prove the action wasn’t retaliatory — the burden shifts to them. Protected activities include: complaining to the landlord about repairs, contacting code enforcement, joining a tenant union, or exercising any right under California’s tenancy laws.

Retaliatory evictions often produce larger verdicts than the underlying habitability case. A landlord who serves a 3-day notice immediately after a tenant contacts code enforcement is walking into a retaliation claim with a 180-day presumption attached. Tenants who document the timing of their complaint and the landlord’s response are in a strong position.

The California Tenant Defense System gives renters the exact tools, templates, and step-by-step guidance to fight illegal evictions, recover wrongfully withheld security deposits, and enforce habitability rights — without paying an attorney to get started. Request your free evaluation here.