Mold Levels in Houston: A Growing Concern Amidst Humidity

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Houston is celebrated for its deep-rooted history and cultural richness. But there's another thing this city is known for: its intense humidity. 

That humidity does more than make you sweat—it can also cause mold to grow in your home. If you're a homeowner in Houston, it's important to understand mold levels to keep your home and family healthy.

Houston's Humidity and Mold

Humidity and mold growth go hand in hand, and Houston's sticky and moist climate is a breeding ground for it. 

Mold spores thrive in damp environments, so when the humidity levels stay consistently high as they often do in Houston, mold finds a welcoming home. Because of this, mold levels in Houston are consistently higher than in many other American cities.

Health Implications of Mold Exposure

Mold isn't just an eyesore or a potential property damage concern—it's also a health hazard. 

Exposure to mold can trigger allergies, cause respiratory issues, and lead to other more severe health problems. For Houston residents, the elevated mold levels means a greater risk of these issues. 

Those with pre-existing respiratory conditions, young children, and the elderly are especially vulnerable. 

Common Types of Mold in Houston Homes

Houston homes can harbor a large number of different types of mold. Some of the most common types of mold found in Houston homes include:

  • Aspergillus: Found in air conditioning systems and can cause respiratory infections.
  • Stachybotrys: Known as the "black mold", it thrives in highly damp areas and can produce toxins harmful to humans.
  • Penicillium: Often blue or green and can be found on wallpapers, carpets, and even in mattresses.

Mold Remediation Techniques in Houston

Mold remediation involves more than just cleaning up the visible mold. It also means addressing the root of the issue.

Professional Mold Removal

Given Houston's unique challenges, professional mold removal is often the best course of action. 

Trained experts can identify the mold type, determine the severity of the infestation, and choose the most effective remediation technique. 

Learn more about Coit’s residential and commercial mold remediation services in Houston. 

Air Purifiers

Investing in a good air purifier can help reduce mold spores in the air, especially during the more humid months.


One of the primary defenses against mold growth in Houston homes is a dehumidifier. By keeping indoor humidity levels in check, you can keep mold from gaining a foothold in your home.

Prevention is the Key

While knowing how to deal with mold is important, preventing its growth in the first place is even more critical. Here are some practical tips for Houston homeowners:

Regular Inspections

Schedule regular inspections to ensure your home remains mold-free. Early detection can save a lot of time, money, and health troubles down the line.

Home Maintenance

Ensure that your home is well-maintained. Fix any leaks promptly, check for good ventilation, and keep your spaces dry, especially during the peak humid months.

Hurricanes and Mold: A Double Challenge for Houstonians

Houston’s location on the Gulf Coast means hurricanes are a constant threat. These powerful storms bring high winds, destructive power, and a huge amount of rain. They can also bring mold. 

How Hurricanes Exacerbate the Mold Problem in Houston

1. Water Invasion

Hurricanes invariably lead to flooding. Whether it's from storm surges or heavy rainfall, water tends to find its way into homes

Even after floodwaters recede, the moisture they leave behind creates prime conditions for mold growth. Areas of the home that are typically dry can become breeding grounds for mold spores.

2. Power Outages

Hurricanes can also cause power outages. Without electricity, homeowners lose the ability to run dehumidifiers, air purifiers, or air conditioning units—all of which play an important role in combating mold growth. 

This lack of climate control, especially during Houston's humid months, is a boon for mold development.

3. Structural Damage

Broken windows, roof damage, and other structural vulnerabilities caused by hurricanes can lead to moisture getting into your home. 

Even if you fix the structural damage immediately, unseen damage can still allow moisture to seep in continuously, causing persistent mold issues.

Many Houstonians grapple with problems of mold, given the city's climate. But with the right knowledge, precautions, and proactive measures, homeowners can protect their homes and their health. 

Learn more about Coit’s residential and commercial mold remediation services in Houston.

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