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The Daily Insight

How do you detect mold in a house

Author

Jessica Wilkins

Published Apr 17, 2026

Most mold is unmistakable, but sometimes small or largely hidden growths just make a surface look dirty. A quick test for mold can be done when you dip a swab in diluted bleach (1 part bleach, 16 parts water) and dab it on the wall. If the spot quickly lightens (or keeps coming back after cleaning), assume it’s mold.

How do you know if mold is making you sick?

  • Wheezing/shortness of breath.
  • Rash.
  • Watery eyes.
  • Runny nose.
  • Itchy eyes.
  • Coughing.
  • Redness of the eyes.
  • Long standing or frequent sinusitis.

What does a mold headache feel like?

In severe cases, folks may almost feel like something is trying to push one of their eyes out of its socket—and in very severe cases, a person may feel like their eye popping out would actually be a good thing, because at least then, they might experience some relief from the pressure in their skull!

Is there a device to check for mold?

Mold test kits are widely available from home improvement stores and from online retailers, but not all test kits are the same. … To test for mold spores in the air you’re breathing, you’ll need to purchase a viable mold test kit, which costs $20 to $45 (view example on Amazon).

What are the symptoms of toxic mold exposure?

Some people are sensitive to molds. For these people, exposure to molds can lead to symptoms such as stuffy nose, wheezing, and red or itchy eyes, or skin. Some people, such as those with allergies to molds or with asthma, may have more intense reactions.

How do you know if mold is behind drywall?

  1. Odor – you smell something but just can’t see anything.
  2. You don’t feel good when your home and you feel better when your away.
  3. Constantly itchy nose, red eyes and sneezing.
  4. Staining on interior wall and base molding.
  5. Wall appears to be wet and damp.

How much does a mold detector cost?

Testing 1, 2, 3… Most homeowners can expect to pay around $650 on average for a comprehensive mold inspection, but the price can vary greatly. Depending on the size of the home and its location, some people can expect to pay as little as $300 or as much as $1,000.

Can black mold affect your eyes?

Eye Issues Related to Mold Exposure to mold can cause respiratory symptoms and symptoms of an allergic reaction, which include things like itchy eyes, redness of the eyes, and watery eyes. However, more serious issues can occur, including a number of eye infections.

How does mold affect the body?

Molds produce allergens (substances that can cause allergic reactions) and irritants. Inhaling or touching mold or mold spores may cause allergic reactions in sensitive individuals. Allergic responses include hay fever-type symptoms, such as sneezing, runny nose, red eyes, and skin rash.

Can mold behind walls make you sick?

In some cases, mold in your home can make you sick, especially if you have allergies or asthma. Whether or not you’re allergic to molds, mold exposure can irritate your eyes, skin, nose, throat, and lungs. Here’s what you can do to combat mold problems, and take care of yourself and your home.

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What does black mold smell like?

It’s often described as musty and earthy, and may even smell like rotting vegetables or plants. You might notice a musty smell, but not be able to see any mold growing. … An outsider should be able to smell the mold if you can’t because your nose has adjusted to it.

How long do mold symptoms last?

These symptoms usually first appear 2 to 9 hours after exposure and last for 1 to 3 days. Other affected persons have progressive shortness of breath and cough, as well as weight loss. Work-relatedness may only become apparent over long holidays if symptoms resolve and then recur on return to work.

Can I stay in my house with black mold?

Can I Stay in My House With Black Mold? It is recommended that you stay somewhere clear of mold spores until all black mold has been removed from your home. This is because black mold is toxic and can cause immediate health issues and result in long-term consequences.

Does House Insurance Cover mold?

Mold coverage isn’t guaranteed by your homeowners insurance policy. Typically, mold damage is only covered if it’s related to a covered peril. Mold damage caused by flooding would need to be covered by a separate flood insurance policy.

Can home inspection detect mold?

If you have the home professionally inspected before you buy it, your home inspector may see obvious signs of mold or water damage. While it’s not the inspector’s job to look for mold, most home inspectors will mention obvious signs of water damage and the possible presence of mold.

Should I walk away from a house with mold?

The home you are looking to buy fails inspection due to mold, termites and a compromised foundation. If you are not used to fixing these kinds of issues or have the budget to do so, walk away. Mold can be cured, but termites and foundation problems can be very costly to repair.

What does house mold smell like?

Mold does not always have a strong smell but when it is present, it’s often described as musty. Others have described mold smelling earthy, meaty or resembling the odor of wet socks or rotten wood. … As mold grows, it can emit gases known as microbial volatile organic compounds or MVOC’s.

Will an air purifier help with mold?

An air purifier can also help in common places for mold in the home like a basement. Though an air purifier can help long term for mold spores in the air, only physically cleaning up the mold and removing the moisture that allowed it to grow will solve a visible mold growth problem.

How do I know if I have mold in my insulation?

Place a magnifying glass close to the insulation to observe dirt particles or mold spores that might be forming on your insulation sheets. Take note of any brown, black, green, pink, orange or yellow particles. Insulation sheets are a solid color such as white, which will make the dirt and mold easy to spot.

What can long term exposure to mold cause?

Toxic mold exposure is also connected to more serious, long-term effects like insomnia, memory loss, trouble concentrating and confusion. Mold exposure contributes to depression and anxiety. It can even lead to muscle cramps, numbness in extremities, weight gain, light sensitivity and hair loss.

How do I get rid of mold in my house naturally?

Pour undiluted white vinegar into a spray bottle. Because white vinegar contains only about 20% acetic acid, adding water makes it less effective. Spray the vinegar onto the moldy surface and leave for an hour. Finally, wipe the area clean with water and allow the surface to dry.

What is toxic mold syndrome?

Toxic mold based illness is a very prevalent and under diagnosed condition that can manifest in many different ways, including with symptoms that are exclusively psychiatric, such as depression, anxiety, attentional problems, brain fog and insomnia.

Does mold have a smell?

Some compounds produced by molds have strong smells and are volatile and quickly released into the air. … Because mVOCs often have strong or unpleasant odors, they can be the source of the “moldy odor” or musty smell frequently associated with mold growth.

Can black mold cause sore throat?

Those tiny spores could cause a host of health problems; mostly in people with respiratory problems, allergies or a compromised immune system” said Dr. Spahr. Symptoms of mold exposure may include headache, sore throat, runny nose, coughing, sneezing, watery eyes and fatigue.

What does skin rash from mold look like?

Patches of dry and scaly skin. Sensitivity. Discoloration (usually pink or red) Bumpy texture in the area of irritation.

Will a dehumidifier help with mold?

Reduce Mold and Mildew A dehumidifier is designed to reduce the moisture level in the air by extracting the excess water. By doing so, dehumidifiers can help prevent the growth of mold and mildew and improves the indoor air quality of your space.

Is there a mold that smells like cat urine?

Certain types of mold have a smell similar to cat urine, including dangerous toxic black mold, which should be remediated by a professional. Another source of cat urine odor is ornamental boxwood, a common landscaping shrub.

Does mold make you dizzy?

Indoor Mold Exposure. Exposure to mold in the home can lead to vertigo, a feeling of lightheadedness or dizziness. It might feel as if the room is spinning around you or you might feel as if your body is spinning. You may also have a headache and feel nauseous or throw up.

What does an allergic reaction to mold look like?

What Are the Symptoms of a Mold Allergy? The symptoms of mold allergy are very similar to the symptoms of other allergies, such as sneezing, itching, runny nose, congestion and dry, scaling skin. Mold spores get into your nose and cause hay fever symptoms. They also can reach the lungs and trigger asthma.