Mold Removal Cost And Risk In Gallatin County, MT

A typical professional mold job in Gallatin County runs about $1,550 to $6,150 before rebuild, using the Bozeman, MT price level. Below are the 8 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Montana rules.

1997Median year homes were built

30%Homes built before 1980

38%Homes rented, not owned

$604,900Median home value

55,589Housing units

122,194People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Gallatin County were built before 1997, and 30 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 38 percent of homes in Gallatin County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 59715 has the oldest homes here, a median year of 1979, and ZIP 59718 the newest, 2005.

Typical Prices In Gallatin County

JobSizeNational RangeGallatin County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,550 to $6,150
Mold Remediationan attic$2,000 to $7,500$2,050 to $7,700
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 $1,050
Mold Inspection and Testinga clearance test$300 to $800$300 to $800

Estimate is the national range times 102.5 divided by 100, the price level for Bozeman, 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 $6,150, that cap falls short by about $1,150 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Gallatin 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 Low
Coastal floodingNot Applicable
HurricaneNot Applicable
Cold waveRelatively High
Winter weatherVery High

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

ZIP Code Neighborhoods In Gallatin County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
59714Gallatin County200218%$490,000
59715Gallatin County197952%$755,300
59718Gallatin County200516%$579,800
59730Gallatin County199435%$817,600
59741Gallatin County199036%$562,300
59752Gallatin County199434%$426,600
59758Gallatin County198740%$476,600
59760Gallatin County197953%$239,300

ZIP areas are Census ZIP Code Tabulation Areas, placed in the county that holds most of their land, per the Census 2020 ZIP relationship files.

Montana Rules On Mold

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Gallatin County Area

Bozeman, MT