Mold Removal Cost In Sioux City, IA

A typical professional mold job in Sioux City runs about $1,300 to $5,200 before rebuild. Sioux City sits in Woodbury County.

1956Median year homes were built

81%Homes built before 1980

34%Homes rented, not owned

$162,600Median home value

34,901Housing units

85,651People

Figures for Sioux City city from Census ACS 2019 to 2023.

Half the homes in Sioux City were built before 1956, and 81 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 34 percent of homes in Sioux City are rented, so most households here carry an owner's policy on the building itself.

Typical Prices In Sioux City

JobSizeNational RangeSioux City Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,300 to $5,200
Mold Remediationan attic$2,000 to $7,500$1,750 to $6,500
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 86.5 divided by 100, the price level for Sioux City, IA-NE-SD, 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 $5,200, that cap falls short by about $200 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Woodbury 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 Moderate
Coastal floodingNot Applicable
HurricaneNot Applicable
Cold waveRelatively Moderate
Winter weatherRelatively High

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

ZIP Code Neighborhoods In Sioux City

ZIPMedian Year BuiltHomes RentedMedian Home Value
51101193899%Not published
51103194935%$124,400
51104195835%$193,000
51105193855%$84,700
511111953100%Not published

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