If you discover mold in your home, you must act quickly to remove it before it spreads. Mold remediation costs between $10 and $25 per square foot on average, but there are several factors that can affect your total cost.


$1,120 to $3,325 is a typical price range.


$2,214 is the national average.


Mold is a homeowner’s worst nightmare: the hidden nature of the problem, the perceived danger of inhaling mold spores, and the unknown components and expense of mold removal all combine to make mold remediation a problem that no one wants to deal with. Many aspects of mold growth and mold removal influence the overall cost of removal, including the location and type of mold, the size of the problem, and the type of remediation required. Mold treatment can be as simple as a bleach wash or as complex as removing drywall and tile panels to deep clean beneath the surface, but no matter how large your mold problem is, there is a solution. Every home has some mold in it: Because complete removal of every spore is impossible, the term “mold removal” refers to the excision of a specific growth rather than the prospect of rendering the home completely mold-free. The presence of mold does not indicate the cleanliness of the house, but rather the presence of moisture, which should be addressed. Assessing the source and scope of the problem will allow you to estimate how much it will cost to remove any dangerous mold from your home.


Mold Remediation Cost Calculation Factors


The location, size, and type of mold, as well as the cost of labor in your area, are the most important factors in determining the cost to remove mold. The mold that is hidden from view or difficult to access will be more difficult to remove and thus will cost more in terms of time and labor. Large growths, predictably, will be more expensive to remove, as will molds that are resistant to mold removers, aggressive spreaders, or particularly dangerous to breathe in.


Household Location


A spritz of bleach or other appropriate removers will easily remove a couple of mold spots on the bathroom wall. Concealed or difficult-to-access areas, on the other hand, may necessitate demolition or a belly-crawl through the dark recesses of the basement or crawl space, which even the most daring homeowners would prefer to leave to a professional. The best method of removal and whether you need to hire professional help will be determined by the location.


Attic mold removal costs vary widely due to a variety of factors. On the one hand, attics are typically open spaces with easy access, which can keep costs in the $1,000 to $4,000 range. However, attics are frequently dark, poorly ventilated, and damp from vents and roof leaks. If the mold problem in the attic has persisted, the removal costs could reach $7,000, not including the potential need for roof repairs to address the source of the problem.



If you have mold growing in a damp basement, it’s a good idea to hire a professional to assess and potentially remove the problem, in part because it can be difficult to find the source of the mold in a basement unless there’s an obvious leak, and also because it can be hidden behind paneling or finished walls, and a professional will probably do a better job of having to figure out the larger spores. In general, professional basement mold abatement will cost between $500 and $3,000, not including any work done to waterproof or seal the foundation walls.


Air ducts

Air ducts can harbor a surprising amount of mold growth and are especially concerning because they spray the spores throughout the home, encouraging growth in other areas. Because it is difficult to clean ducts thoroughly enough to remove all spores, professional assistance is required. On average, the cost will be between $600 and $2,000. After the mold has been removed, it is more cost-effective to schedule regular air duct cleaning once or twice a year to keep new spores from settling in.



The average cost of removing a simple surface-level mold growth on drywall is $1,000, but drywall is porous. If the mold growth has been present for a long time, or if the mold grew through the drywall from the back, remediation may necessitate the removal of all the drywall and everything behind it, which can cost $20,000 or more.


Crawl space

Because crawl spaces are generally small, the overall area to be cleaned is smaller. However, because of the confined nature of the space, the remediation may take longer and cost more in labor. Mold removal from a crawl space typically costs between $500 and $2,000.



The cost of removing mold from an HVAC system will vary greatly depending on the type of system in the home. Radiant heating systems will cost between $1,500 and $5,000 and are mostly enclosed. Furnaces and air handlers with more ductwork, connections, and vents will cost between $3,000 and $5,000, while air conditioning systems that are constantly extracting moisture from the air and (hopefully) draining it away from the house will cost between $6,000 and $10,000, simply because there is so much moisture in the system and because of the number of vents, tubes, and ducts involved.


While bathrooms provide an ideal environment for mold growth, the mold that is most likely to grow from day-to-day steam and condensation is usually visible surface mold, which is less expensive to remove at an average of $500 to $1,000. The mold that grows behind a vanity or sink, or behind or beneath a bathtub, usually as a result of an ongoing leak, can cost up to $8,000 due to the demolition and reconstruction required to reach and remove the mold, as well as correct the root cause of the moisture.


Whole-house mold removal is expensive if there is a significant whole-house mold problem, which is usually the result of a flood or catastrophic water damage. This type of abatement entails removing and replacing the carpet, drywall, fabrics, and furniture, as well as paying to repair any remaining sources of water damage. In addition to replacing the removed materials, the average cost is between $10,000 and $30,000.



Dimensions of the Issue

Mold remediation projects of less than 10 square feet can be completed for as little as $50 and are frequently cleaned by the homeowner, so the only costs are mold cleaner and protective gear. If the mold has spread much beyond that size, the job to remove the mold can cost more than $6,000, and if the problem is deep and spread across a large surface, the price to correct the problem can be even higher. This is one of the reasons why it is critical to choose to remediate mold as soon as you become aware of a problem: even if the initial problem is more expensive to fix than you believe you can afford, the problem will only grow larger and more expensive over time.


SOS Restoration is available for emergencies 24 hours a day, 7 days a week at (332) 244 7555!

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