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The grout between the tiles in our master bathroom shower has been turning black for the past couple of months, and no matter how much I scrub, the musty smell won't go away. We're in a rented apartment in Jumeirah Village Circle, and I'm worried it's spreading behind the walls. Who is responsible for getting this professionally treated and paying for it, me as the tenant or my landlord?
Posted by Lin Zhao
Asked on May 7, 2026 10:00 pm
The responsibility typically falls on the landlord for structural issues and the tenant for maintenance. Under Dubai rental law (Law No. 26 of 2007), landlords must provide a habitable property free from defects, which includes addressing structural leaks or faulty waterproofing that cause mold. Tenants are responsible for damage resulting from negligence, like failing to ventilate the bathroom properly.

Your situation in JVC, with persistent black discoloration and a musty smell that won't scrub away, strongly suggests a moisture source behind the tiles—a structural issue. The high humidity and constant AC use in Dubai create perfect conditions for this. You should formally notify your landlord or property manager in writing immediately. Include clear photos and describe the musty odor. Request a professional inspection to identify the hidden moisture source, as surface cleaning is ineffective if water is infiltrating the wall.

If the inspection confirms the leak is from plumbing or failed grout/sealant (a building fabric issue), the landlord is responsible for the remediation cost. If the cause is solely tenant-related (e.g., no extractor fan use), you may be liable. Do not attempt to remove significant black mold yourself, as improper disturbance can spread spores. A proper assessment is the first step to determining liability.
Posted by Sani Admin
Answered on May 8, 2026 8:00 am