Mold Removal Cost And Risk In ZIP 59721 MT

A typical professional mold job in ZIP 59721 runs about $1,450 to $5,750 before rebuild. Half the homes here were built before 1990, newer than the Jefferson County median of 1989.

1990Median year homes were built

37%Homes built before 1980

26%Homes rented, not owned

$615,700Median home value

$896Median gross rent

266Housing units

Neighborhood figures for ZIP Code Tabulation Area 59721 from Census ACS 2019 to 2023.

37 percent of homes in 59721 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 26 percent of homes here are rented, against 17 percent across Jefferson County, so most households carry an owner's policy on the building.

The top of a typical mold job here, $5,750, is about 0.9 percent of the median home value of $615,700.

Typical Prices In 59721

JobSizeNational Range59721 Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,450 to $5,750
Mold Remediationan attic$2,000 to $7,500$1,900 to $7,200
Mold Inspection and Testinga visual inspection$200 to $600$200 to $550
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 95.7 divided by 100, the price level for Helena, 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 $5,750, that cap falls short by about $750 at the top of that range. Read the form

Water Hazards FEMA Rates For Jefferson County

FEMA rates none of the water hazards below as high for Jefferson County.

HazardFEMA Risk Rating
Inland floodingVery Low
Coastal floodingNot Applicable
HurricaneNot Applicable
Cold waveRelatively Low
Winter weatherRelatively Moderate

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

Montana Rules On Mold

Nearby ZIP Codes In Jefferson County

Part of Jefferson County, Montana.

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59721, MT Area

Jefferson County