Mold Removal Cost And Risk In Twin Falls County, ID

A typical professional mold job in Twin Falls County runs about $1,400 to $5,550 before rebuild, using the Twin Falls, ID price level. Below are the 8 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Idaho rules.

1980Median year homes were built

51%Homes built before 1980

30%Homes rented, not owned

$292,700Median home value

35,749Housing units

92,121People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Twin Falls County were built before 1980, and 51 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 Twin Falls County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 83334 has the oldest homes here, a median year of 1971, and ZIP 83341 the newest, 1998.

Typical Prices In Twin Falls County

JobSizeNational RangeTwin Falls County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,400 to $5,550
Mold Remediationan attic$2,000 to $7,500$1,850 to $6,900
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 $900
Mold Inspection and Testinga clearance test$300 to $800$300 to $750

Estimate is the national range times 92.1 divided by 100, the price level for Twin Falls, ID, 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 $5,550, that cap falls short by about $550 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Twin Falls 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 Low
Winter weatherRelatively High

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

ZIP Code Neighborhoods In Twin Falls County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
83301Twin Falls County198149%$290,600
83302Twin Falls County197766%$139,800
83316Twin Falls County197260%$248,100
83321Twin Falls County197954%$200,000
83328Twin Falls County197952%$293,500
83332Twin Falls County198345%$225,700
83334Twin Falls County197170%$228,400
83341Twin Falls County199840%$411,600

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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Twin Falls, ID