Mold Removal Cost And Risk In Woodbury County, IA

A typical professional mold job in Woodbury County runs about $1,300 to $5,200 before rebuild, using the Sioux City, IA-NE-SD price level. Below are the 20 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Iowa rules.

1958Median year homes were built

76%Homes built before 1980

32%Homes rented, not owned

$172,000Median home value

43,121Housing units

105,760People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Woodbury County were built before 1958, and 76 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 32 percent of homes in Woodbury County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 51004 has the oldest homes here, a median year of 1938, and ZIP 51054 the newest, 1998.

Typical Prices In Woodbury County

JobSizeNational RangeWoodbury County 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 Woodbury County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
51004Woodbury County193884%$100,700
51007Woodbury County197064%$227,900
51015Climbing Hill1938100%$125,000
51016Woodbury County194778%$88,300
51019Woodbury County194591%$88,000
51026Woodbury County194271%$233,300
51030Woodbury County197062%$267,600
51039Woodbury County197163%$226,900
51044Woodbury County197292%$84,100
51048Woodbury County194780%$105,400
51052Woodbury County196564%$235,900
51054Woodbury County199834%$292,600
51055Woodbury County196868%$208,800
51056Woodbury County195177%$150,700
51101Sioux City193885%Not published
51103Sioux City194982%$124,400
51104Sioux City195881%$193,000
51105Sioux City193882%$84,700
51106Woodbury County196176%$186,300
51111Sioux City1953100%Not published

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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Woodbury County Area

Sioux City, IA-NE-SD