How to tell if a house has mold?

Author: Annabel Howe  |  Last update: Saturday, March 29, 2025

Signs Your Home May Have a Mold Problem
  1. Rotten Smell. Is there a damp, musty odor reminiscent of the smell of old books emanating from your floors or walls? ...
  2. Spotted Clothing. ...
  3. Contaminated Carpets. ...
  4. Water Heater Hideaway. ...
  5. Allergy or Asthma Flare-Ups. ...
  6. Fungus in the Furniture. ...
  7. Warped Walls. ...
  8. Persistent Cough or Cold.

How to check if you have mold in your house?

To check for mold, look for discoloration on surfaces with a slimy, fuzzy, or powdery texture. Mold can sometimes grow in hard-to-spot places, such as behind wallpaper, inside vents, or in an attic or basement. Start by inspecting your house or apartment for leaky pipes or any other signs or sources of moisture.

Can you safely live in a house with mold?

Mold in your home doesn't always cause health problems, but it should always be removed. Mold can cause damage to your home and can lead to eye, nose, throat, and lung irritation. If you have a mold allergy or chronic lung condition such as asthma, you're at risk for more severe symptoms and complications.

Is there a device that detects mold in the air?

In the same way that smoke detectors identify smoke, not fire, the Biomatrix Mold Monitor identifies unseen moisture that can lead to widespread mold growth.

Can mold behind walls make you sick?

It irritates the nose and throat, which can lead to both sneezing and coughing as your body tries to get rid of the irritant. Inhaling mold spores can also trigger coughing in people with allergies or an asthma attack, for those with asthma.

9 Signs You Have Toxic Mold In Your Home

What are signs of mold sickness?

Although symptoms can vary, the most common symptoms seen in people exposed to mold indoors include:
  • Nasal and sinus congestion.
  • Eye irritation, such as itchy, red, watery eyes.
  • Wheezing and difficulty breathing.
  • Cough.
  • Throat irritation.
  • Skin irritation, such as a rash.
  • Headache.

How to tell if mold is behind drywall?

Musty Smell

If you think there's mold in your walls, get on your hands and knees and smell the electrical outlets. This might sound silly, but it may help you sense mold if it's growing within walls. Outlets have better access to the area behind the walls. Thus, smelling them can help identify the mold problem.

How do I test the air in my house for mold?

The two most common methods used to identify a mold problem are mold test kits or air testing sensors. These kits include the necessary air test devices, chemical strips, or Petri dishes and are available at department stores or online. They'll also come with an instruction manual for any brand-specific guidelines.

How to get a house tested for mold?

It's best to hire a professional mold inspector for accurate results. They have the experience and equipment such as digital moisture meters, hygrometers, infrared cameras, and borescopes, to detect and identify mold growth, and DIY kits may be unreliable.

How do I test myself for mold toxicity?

Urine mycotoxin tests are ideal for testing yourself (and your family members) for mycotoxin exposure. They're absolutely painless, totally non-invasive, and incredibly easy to use. With just a small amount of urine, our experts will be able to spot up to 15 different illness-causing mycotoxins.

How to test if your house is making you sick?

If you want to monitor your indoor air quality proactively, you can invest in an air quality monitor. This will help you test if your house is making you sick. These devices constantly check the indoor air quality and provide feedback about the levels of different pollutants.

When should you walk away from a house with mold?

Walk away from the deal: If the mold problem is extensive or the seller refuses to address it adequately, you have the option to terminate the purchase contract. While it can be disappointing, prioritizing your health and financial well-being is crucial.

Will FHA approve a house with mold?

An FHA appraiser examines the property to determine its condition. They will look at the structure, major systems, and foundation. They will also check for hazards like mold, pests, and any leaks. You have to fix these problems to meet FHA home loan requirements.

How to tell if your house is toxic?

If you suspect your asthma worsens or is more severe than usual, contact your doctor or medical professional.
  1. Bad Smells In The Home. When there's a bad smell in the home, you can tell. ...
  2. Peeling Wallpaper. ...
  3. Spots On The Wall. ...
  4. Bad Allergies Won't Go Away. ...
  5. Visible Mold Growth. ...
  6. Past Water Damage.

How much does a mold inspection cost?

In his California market, the cost can range from $275 for a simple visit to $2,900 for a complex inspection. For homes under 4,000 square feet, Angi estimates the average cost is generally between $300 and $400, whereas larger homes may see prices between $700 and $1,000.

Do most houses have mold?

“Every house, every environment has mold spores.” It becomes an issue when the concentration of mold spores in a home is greater than what is found outside. Mold needs three conditions to thrive: an ideal temperature, a source of food and moisture.

How to test for mold in your house?

To test for mould in the air at home, you can use DIY mould testing kits available in stores or online. These kits often include petri dishes filled with a growth medium. You'd expose the dish to the air for a set period, and then cover and allow it to incubate for a specific time.

What are the signs of mold sickness?

Signs and symptoms of allergic rhinitis caused by a mold allergy can include:
  • Sneezing.
  • Runny or stuffy nose.
  • Cough and postnasal drip.
  • Itchy eyes, nose and throat.
  • Watery eyes.
  • Dry, scaly skin.

Who pays for mold inspection?

Homeowners can be relieved to know that mold inspection and remediation generally falls under most homeowner insurance policies. If you're a homeowner who suspects that mold might be growing somewhere on your property, call the C.A.R.E. team to inspect and remediate the mold problem.

Does homeowners insurance cover mold?

Homeowners insurance doesn't usually cover mold damage or removal unless it's the result of a covered peril. If the mold in your residence was caused by something sudden or accidental, such as a bursting pipe or some other covered incident on your policy, you may be protected.

Will an air purifier remove mold?

Furthermore, mold can grow and spread quickly, and air purifiers are unable to stop its growth since they lack detection capabilities. Therefore, the most effective air purifiers may be able to reduce the amount of mold spores floating in your home, but they won't eliminate them entirely.

What to do if you suspect mold in your house?

– Set up a fan to pull the air out through a window or door to the outside. – Scrub the entire moldy area with a non-ammonia soap or detergent, or a commercial cleaner, in hot water, using sponges or rags, until all mold is gone. – Use a stiff brush or cleaning pad on cement-block walls and other uneven surfaces.

How to find hidden mold in your house?

Most often, a mold problem will be readily identified by a musty smell that becomes obvious in damp environments. Mold also likes to play hide and seek, so if you suspect there is a problem, then check under carpets, behind drywall, inside ductwork, in between bathroom tiles and in other moisture-prone areas.

What does black mold smell like?

Black mold has a distinct smell. It's often described as musty and earthy and may even smell like rotting vegetables, plants, or paper. Some think it smells like cedar.

Will a dehumidifier help with mold?

Mould will easily grow and spread if the right conditions are present. So, dehumidifiers don't kill mould, but they can help to prevent it from growing inside your home by reducing humidity. However, the best way to deal with it is to get rid of its source.

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