Mold Removal Cost And Risk In Cascade County, MT

A typical professional mold job in Cascade County runs about $1,450 to $5,800 before rebuild, using the Great Falls, MT price level. Below are the 15 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Montana rules.

1969Median year homes were built

67%Homes built before 1980

30%Homes rented, not owned

$243,300Median home value

39,248Housing units

84,601People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Cascade County were built before 1969, and 67 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 30 percent of homes in Cascade County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 59477 has the oldest homes here, a median year of 1944, and ZIP 59485 the newest, 1989.

Typical Prices In Cascade County

JobSizeNational RangeCascade County 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 Cascade County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
59401Great Falls194788%$206,100
59404Cascade County197560%$272,300
59405Cascade County197066%$236,800
59412Cascade County197756%$236,100
59414Black Eagle194993%$179,800
59421Cascade County198346%$337,200
59443Cascade County197555%$273,100
59463Cascade County197453%$333,900
59465Cascade County196373%$205,600
59472Cascade County197362%$267,500
59477Cascade County194486%$193,900
59480Cascade County195373%$268,800
59483Cascade County197364%$425,000
59485Cascade County198936%$289,000
59487Cascade County197659%$213,200

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.

Cities And Towns

Montana Rules On Mold

Montana Mold And Insurance Rules

All Montana Mold And Insurance Rules lines

All Montana counties

Guides

Area Map

Cascade County Area

Great Falls, MT