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Which Rooms Get the Most Mold?

Bathroom and basement mold can benefit from professional mold remediation.

As a homeowner, you’ll likely come across mold at some point. Usually caused by water damage, mold is fairly common. When you discover it, you should call a mold remediation company. They can help you treat mold at the source, so you don’t have to.

However, which rooms experience mold the most? Knowing where mold commonly develops can help you prevent it.


Out of all the rooms in your house, the basement is likely to experience the most mold growth. This is because it has all the conditions mold needs to grow.

For mold to develop, it needs moisture and humidity. As such, your basement offers the perfect environment.

Basements typically rank at the top of the list because they experience water damage from broken water heaters and floods. And, because basements largely go unvisited during the year, it’s easy to miss mold until it’s already overgrown.


Like your basement, your attic is also highly susceptible to mold.

In many cases, a leak in the ceiling can cause attic mold. However, it is also caused by poor ventilation. As mentioned before, mold needs humidity. Since heat rises, the attic is usually the hottest room in the house.

If your HVAC system is broken, it allows humidity to build up. So if there is any sort of water damage present, it makes it easier for mold to grow and spread.


Chances are, you’ve seen mold in your bathroom. Usually, this lines the grout in your shower and appears as black spots.

Like the other rooms mentioned on this list, your bathroom experiences high levels of moisture and humidity. If the inside of your shower is left wet or your exhaust fan isn’t working, it makes it easier for mold to grow.

How to Combat Mold Growth in These Rooms

The good news is that you can take proactive steps to combat mold growth. To avoid mold growth in the basement, make sure to keep your gutters free of blockages. Things like moss, sticks, and leaves can force water over the sides of your gutter. This makes that water more likely to seep into your basement and create mold.

Likewise, routinely inspect your attic after a severe storm so you can catch leaks as soon as they happen. When they do, dry up the area and call in a mold remediation team.

And finally, for your bathroom, routinely inspect your home’s HVAC system to ensure it’s working. Don’t leave wet towels or clothes on the floor. Also, dry the inside of your shower so there isn’t any moisture left over.

With these tips, you can help prevent mold growth. However, if you still find mold, call a mold remediation team like California Steam Clean in for help.

Call California Steam Clean for All Your Mold Remediation Needs Today!

No one wants to find mold inside their home. When you spot it, call the mold remediation pros at California Steam Clean in to tackle the issue.