Mold Removal Cost In Great Falls, MT

A typical professional mold job in Great Falls runs about $1,450 to $5,800 before rebuild. Great Falls sits in Cascade County.

1965Median year homes were built

74%Homes built before 1980

32%Homes rented, not owned

$237,400Median home value

28,333Housing units

60,412People

Figures for Great Falls city from Census ACS 2019 to 2023.

Half the homes in Great Falls were built before 1965, and 74 percent went up before 1980. Older plumbing, roofs and window seals are where slow leaks start, and slow leaks are the mold most home policies leave out. About 32 percent of homes in Great Falls are rented, so most households here carry an owner's policy on the building itself.

Typical Prices In Great Falls

JobSizeNational RangeGreat Falls Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,450 to $5,800
Mold Remediationan attic$2,000 to $7,500$1,950 to $7,250
Mold Inspection and Testinga visual inspection$200 to $600$200 to $600
Mold Inspection and Testingan inspection with samples$300 to $1,000$300 to $950
Mold Inspection and Testinga clearance test$300 to $800$300 to $750

Estimate is the national range times 96.8 divided by 100, the price level for Great Falls, MT, rounded to $50. National ranges from Remediational cost guide, price level from BEA Regional Price Parities 2024.

The standard limited fungi endorsement caps mold at $5,000. Against a typical job here of up to $5,800, that cap falls short by about $800 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Cascade County high for cold wave, winter weather. Water from these events is where mold claims start, and flood water is a separate policy. FloodSmart says mold damage is not covered under standard NFIP flood policies. FloodSmart

HazardFEMA Risk Rating
Inland floodingRelatively Moderate
Coastal floodingNot Applicable
HurricaneNot Applicable
Cold waveRelatively High
Winter weatherVery High

Source FEMA National Risk Index, December 2025, county level.

ZIP Code Neighborhoods In Great Falls

ZIPMedian Year BuiltHomes RentedMedian Home Value
59401194742%$206,100

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