Am I responsible for bathroom mold repair in a rental?« Back to Previous Page

The grout between the tiles in my master bathroom has been turning black for a while now, and I just found a patch of fuzzy mold behind the toilet. We're in a high-humidity area in Jumeirah Village Circle and I run the exhaust fan, but it doesn't seem to help. Given it's a rental, am I responsible for the cleaning and repair costs, or is this something I need to report to the landlord to fix?
Posted by Seung Tanaka
Asked on March 29, 2026 11:47 am
Excellent question, and a very common issue here in Dubai, especially in high-humidity communities like Jumeirah Village Circle.

Under the UAE's rental law, the responsibility typically falls on the condition of the fixture. The landlord is legally responsible for the structural integrity and maintenance of the property's main fixtures, which includes the plumbing, walls, and ventilation systems like your exhaust fan. Since you've noted that you run the fan but it's ineffective, the root cause could be a faulty or underpowered ventilation system—a clear maintenance issue for the property owner.

However, tenant responsibilities include general upkeep and ensuring adequate ventilation is used to prevent the issue. The black discoloration in grout is often a surface mold/mildew due to humidity, which a tenant might handle with cleaning. But the patch of fuzzy mold behind the toilet is more concerning. This indicates a persistent moisture problem, potentially from a hidden plumbing leak or severe condensation, which goes beyond surface humidity.

My strong recommendation is to STOP any DIY cleaning and immediately report this in writing to your landlord or property management company. A fuzzy growth suggests active colonization. Professional inspection is crucial to identify the moisture source and assess the extent, as mold can spread within wall cavities. We use thermal imaging and moisture meters to pinpoint leaks invisible to the naked eye.

For a definitive assessment and to ensure your rental is safe, please call our specialists at 800-MOLDS (800-66537) or email hello@saniservice.com. We can provide a certified report for your landlord detailing the cause and required remediation, which is often needed to expedite repairs.
Posted by Sani Admin
Answered on April 1, 2026 1:06 am