Mold Removal Cost And Risk In Sioux County, ND

A typical professional mold job in Sioux County runs about $1,300 to $5,250 before rebuild, using the North Dakota nonmetro price level. Below are the 3 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and North Dakota rules.

1982Median year homes were built

47%Homes built before 1980

54%Homes rented, not owned

$87,400Median home value

1,276Housing units

3,789People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Sioux County were built before 1982, and 47 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. Most homes in Sioux County are rented, 54 percent. A renter's policy covers belongings and liability, while the owner's policy covers the building.

Housing age swings by neighborhood. ZIP 58568 has the oldest homes here, a median year of 1978, and ZIP 58538 the newest, 1985.

Typical Prices In Sioux County

JobSizeNational RangeSioux County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,300 to $5,250
Mold Remediationan attic$2,000 to $7,500$1,750 to $6,550
Mold Inspection and Testinga visual inspection$200 to $600$150 to $500
Mold Inspection and Testingan inspection with samples$300 to $1,000$250 to $850
Mold Inspection and Testinga clearance test$300 to $800$250 to $700

Estimate is the national range times 87.3 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 $5,250, that cap falls short by about $250 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Sioux County high for cold wave. 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 floodingVery Low
Coastal floodingNot Applicable
HurricaneNot Applicable
Cold waveRelatively High
Winter weatherRelatively Moderate

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

ZIP Code Neighborhoods In Sioux County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
58528Cannon Ball198439%$111,100
58538Sioux County198544%$82,400
58568Sioux County197854%$98,200

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.

North Dakota Rules On Mold

North Dakota Mold And Insurance Rules

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Sioux County Area

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