Tenant Replyby DinLeje

California · Guides

Mould and damp in a rental: evidence and reporting

Record the location, progression, moisture conditions, reports and responses without guessing the cause.

Short answer

Document location, dates, photographs, moisture conditions, health or safety impact and prior reports. Cause and responsibility require more than a photograph.

What to do next

  1. Take dated overview and close-up photographs with room labels.
  2. Record smell, moisture, leaks, ventilation and any health or safety impact factually.
  3. Send a written report and preserve every response, visit and attempted repair.

Evidence to collect

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Scope and limits

This is a self-service information page for California renters. It does not review your documents, decide a dispute or replace qualified help for urgent, high-value or complex matters.

Official sources

These official pages are the starting point for this California summary. City rules, property type and dates can change the route.

California Department of Justice

Landlord-tenant issues

Statewide renter protections and official help routes.

Related renter resources

Common questions

Common questions

How should a renter document mould or damp?

Document location, dates, photographs, moisture conditions, health or safety impact and prior reports. Cause and responsibility require more than a photograph.

Which records should I collect for “Mould and damp in a rental: evidence and reporting”?

Start with: Dated photographs or video with room labels, Emails, messages and letters with the landlord or agent, A dated timeline of notices, inspections and replies, Lease or tenancy agreement and amendments. Do not share names, addresses or account details publicly.

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