When should you call a mold inspector?

Author: Garth Murazik  |  Last update: Sunday, May 31, 2026

If you spot mold contamination especially in areas with a lot of moisture like in the bathroom walls and floors, around the shower pipes and curtains. If you look around and realize a large area has a mold issue, you should call a mold removal specialist.

When should you do a mold inspection?

Homes should be checked for mold annually, especially if you live in an area with high humidity or frequent rainfall. Inspections are crucial following flooding, roof leaks, or plumbing issues. More frequent checks are necessary if your home has a history of mold problems or water damage.

When should you call a professional about mold?

One consideration is the size of the mold problem. If the moldy area is less than 10 square feet, in most cases, you can handle the job yourself. However you shouldn't hesitate to call the professionals if: There has been a lot of water damage, and/or mold growth covers more than 10 square feet.

When should you be concerned about mold?

Should I be concerned about mold in my home? Yes, but only when it is present in large amounts. It is important to note that some mold is present in every home and does not pose a health hazard when not growing on water-damaged material.

What level of mold requires remediation?

A level 3 mold remediation is when mold has spread between 30-100 square feet. When your mold contamination has spread to the size of an entire utility room, it's time to call a local mold remediation company with a good reputation in your area.

Early Stage Mould Inspection Tips from a Mold Inspector

What is an unsafe level of mold?

A concentration of mold spores above 500 sp/m3 is considered high. Therefore, if your report comes up with high concentrations of mold, it will likely advise you to remediate the problem. However, it is important to note that even low concentrations of mold spores can cause health problems in some people.

Who pays for mold remediation?

If there is a covered condition that the homeowner's insurance policy covers that causes mold, then the insurance company will cover mold remediation. Excess water from a natural cause like a roof leaking after a rain storm is usually covered by a homeowners insurance policy.

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.

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.

What kills 100% of mold?

Hydrogen peroxide, commonly used to disinfect wounds, is active against a wide variety of micro-organisms including mold. It acts by releasing oxygen at a rapid rate, which kills mold by oxidizing the surface and breaking down proteins and DNA.

How much does mold remediation cost?

Mold remediation costs $2,365 on average, but it can cost between $375 and $7,000, depending on location, type, and size of infestation. Mold removal often requires replacing or significantly renovating your home's materials, making the costs tricky to calculate.

Are mold inspections worth it?

A mold inspection will also uncover and help you address the underlying causes of excess moisture or water damage. Finding mold before you buy gives you leverage to negotiate with the seller to fix the problem, give you a credit to fix the problem, or lower the selling price.

Who checks out mold?

SafeAir is one of the GTA's leading indoor air quality and air inspection companies providing mold inspection in Toronto and indoor air quality testing and analysis.

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.

When should you call a professional for mold?

Mold remediation is a necessity once mold covers a surface area larger than 10 square feet. Mold in hidden areas like HVAC systems, behind walls, or caused by significant water damage should also receive a professional evaluation.

Do air purifiers help with mold?

Mold is an obvious health risk in any home, but investing in an air purifier can help limit your exposure. The best among them will ideally offer HEPA-level filtration, with this level of filtration being able to trap up to 99.97% of airborne particles down to 0.3 microns in diameter.

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

Spray the area with a mixture of water and vinegar - half water, half vinegar. Next, scrub to remove all traces of the mold. For removal of black and white mold, spray the area with the half water and half vinegar solution.

Does insurance cover mold?

In most cases, no. You can safely assume that home insurance won't cover any damage caused by mould or for mould removal or cleaning. Mould and fungus is typically found as a general exclusion in home insurance policies, and will not be covered in any way. However, there are some exceptions.

What is an example of a mold claim?

Examples include;

Black mold experienced after a ruptured water heater. Mold located at the bottom of storage cupboards after the kitchen experienced flooding (due to a malfunctioning dishwasher). The development of mold after a house fire was extinguished with water.

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.

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.

When to see a doctor for mold exposure?

If you have a stuffy nose, sneezing, watery eyes, shortness of breath, wheezing or other bothersome symptoms that persist, see your doctor.

How to get a mold inspection?

Look for a contractor with specific experience and expertise in mold inspections and remediation. Ask them how many mold remediations they've done in the last six months. Call around your area and get a few estimates. There might be a wide price range, so shopping around could save you a few hundred dollars.

Can a house with mold be saved?

Indoor mold growth can and should be prevented or controlled by controlling moisture indoors. If there is mold growth in your home, you must clean up the mold and fix the water problem. If you clean up the mold, but don't fix the water problem, then, most likely, the mold problem will come back.

What is the average cost of mold removal from home?

Mold is generally a surface issue but can indicate the presence of decay fungi, which causes structural damage to homes. Professional mold remediation typically costs $1,500–$9,000 with an average cost of $3,500.

Previous article
What is the life expectancy of a Whirlpool microwave?
Next article
How long does Freon last in a HVAC?