When a sewage problem makes a home unsafe
A serious sewage backup can make an apartment unsafe to stay in until it is cleaned and repaired, because of the health risks from bacteria and contamination. Whether you can safely remain depends on how severe it is.
A minor, contained backup that is cleaned up quickly is very different from raw sewage spread across floors, or a problem that keeps coming back. When large areas are contaminated, it may not be safe to live normally until professional cleanup and repairs are done.
If conditions force you out of your home, that can raise questions about temporary relocation and your rights. Document the conditions with photos, and do not feel pressured to keep living in unsafe contamination just because a landlord says it is fine. If a sewage problem is making your home unsafe and your landlord will not properly address it, a free review can help.
This is general information about California tenant rights, not legal advice. Every situation is different.