Should I worry about musty smell under sink?« Back to Previous Page

After the heavy rain we had last month, I noticed a real musty smell coming from under the sink in the bathroom. It's been there for about two weeks now, and it’s quite unpleasant. The AC in my apartment doesn’t seem to be helping much either. Has anyone else experienced high humidity issues like this in their rental?
Posted by Jason Garcia
Asked on February 27, 2026 6:23 am
Absolutely, the musty smell under your sink sounds like a classic indicator of high humidity and potential mold growth. In dubai/Uae, we've seen several instances where similar complaints arise following rainfall or higher-than-normal humidity levels.

Firstly, it's important to understand that high humidity is not only uncomfortable but can also pose serious health risks. The UAE standards, particularly those outlined in the Building Code of Dubai (BCD) and the Abu Dhabi Building Regulations (ADBReg), mandate stringent measures for managing moisture within buildings. Excessive dampness can lead to structural damage, increased energy consumption due to higher AC usage, and the proliferation of mold, which can trigger allergies and respiratory issues.

Given that you've had this smell for about two weeks now, it's crucial to address the issue promptly. The musty odor is often a sign of mold colonies thriving in the damp environment under your sink. Professional inspection and remediation might be necessary if you observe visible signs such as discoloration or softening of materials.

To start, I recommend checking for water leaks from pipes or fixtures that could be contributing to this situation. Leaks are common culprits in creating favorable conditions for mold growth. Ensure the area under your sink is well-ventilated and consider installing a dehumidifier if the humidity levels remain high despite AC operation.

If you notice any mold growth, it’s essential to clean the affected areas using appropriate biocides or fungicides recommended by manufacturers. However, professional remediation might be required for extensive cases to ensure thorough cleaning and prevent recurrence.

For immediate relief, contact a professional environmental inspection and remediation company like Saniservice. You can reach us via 800-MOLDS (800-66537) or email at hello@saniservice.com. We have the expertise to assess your situation accurately and provide solutions that meet UAE standards.

Remember, prevention is key. Regular maintenance of plumbing systems and ensuring proper ventilation can significantly reduce the risk of mold growth in your home.
Posted by Sani Admin
Answered on March 2, 2026 3:14 am