Mold Removal Cost And Risk In ZIP 59639 MT

A typical professional mold job in ZIP 59639 runs about $1,450 to $5,750 before rebuild. Half the homes here were built before 1979, older than the Lewis and Clark County median of 1982.

1979Median year homes were built

53%Homes built before 1980

14%Homes rented, not owned

$294,300Median home value

$764Median gross rent

999Housing units

Neighborhood figures for ZIP Code Tabulation Area 59639 from Census ACS 2019 to 2023.

53 percent of homes in 59639 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 14 percent of homes here are rented, against 30 percent across Lewis and Clark County, so most households carry an owner's policy on the building.

The top of a typical mold job here, $5,750, is about 2.0 percent of the median home value of $294,300.

Typical Prices In 59639

JobSizeNational Range59639 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 Lewis and Clark County

FEMA rates Lewis and Clark 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.

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Nearby ZIP Codes In Lewis and Clark County

Part of Lewis and Clark County, Montana.

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59639, MT Area

Lewis and Clark County