Mold Removal Cost And Risk In Sanders County, MT

A typical professional mold job in Sanders County runs about $1,350 to $5,500 before rebuild, using the Montana nonmetro price level. Below are the 9 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Montana rules.

1989Median year homes were built

40%Homes built before 1980

20%Homes rented, not owned

$323,800Median home value

6,789Housing units

12,936People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Sanders County were built before 1989, and 40 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 20 percent of homes in Sanders County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 59845 has the oldest homes here, a median year of 1966, and ZIP 59874 the newest, 2001.

Typical Prices In Sanders County

JobSizeNational RangeSanders County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,350 to $5,500
Mold Remediationan attic$2,000 to $7,500$1,850 to $6,850
Mold Inspection and Testinga visual inspection$200 to $600$200 to $550
Mold Inspection and Testingan inspection with samples$300 to $1,000$250 to $900
Mold Inspection and Testinga clearance test$300 to $800$250 to $750

Estimate is the national range times 91.6 divided by 100, the price level for the nonmetro part of the state, 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 $5,500, that cap falls short by about $500 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Sanders County high for 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 Moderate
Winter weatherRelatively High

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

ZIP Code Neighborhoods In Sanders County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
59831Sanders County198147%$155,600
59844Sanders County198640%$430,400
59845Sanders County196668%$174,200
59848Sanders County199835%$441,700
59853Sanders County197657%$276,600
59856Sanders County199432%$500,000
59859Sanders County199333%$403,800
59873Sanders County198149%$244,500
59874Sanders County200118%$481,800

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.

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