Mold Removal Cost And Risk In Iowa County, WI

A typical professional mold job in Iowa County runs about $1,450 to $5,850 before rebuild, using the Madison, WI price level. Below are the 11 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Wisconsin rules.

1975Median year homes were built

56%Homes built before 1980

23%Homes rented, not owned

$248,100Median home value

11,007Housing units

23,832People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Iowa County were built before 1975, and 56 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 23 percent of homes in Iowa County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 53580 has the oldest homes here, a median year of 1951, and ZIP 53503 the newest, 1988.

Typical Prices In Iowa County

JobSizeNational RangeIowa County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,450 to $5,850
Mold Remediationan attic$2,000 to $7,500$1,950 to $7,300
Mold Inspection and Testinga visual inspection$200 to $600$200 to $600
Mold Inspection and Testingan inspection with samples$300 to $1,000$300 to $950
Mold Inspection and Testinga clearance test$300 to $800$300 to $800

Estimate is the national range times 97.3 divided by 100, the price level for Madison, WI, 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 $5,850, that cap falls short by about $850 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates none of the water hazards below as high for Iowa County.

HazardFEMA Risk Rating
Inland floodingVery Low
Coastal floodingNot Applicable
HurricaneVery Low
Cold waveRelatively Low
Winter weatherVery Low

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

ZIP Code Neighborhoods In Iowa County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
53503Iowa County198842%$229,800
53506Iowa County197158%$145,200
53507Iowa County198637%$310,900
53526Iowa County195872%$176,300
53533Iowa County197654%$255,200
53543Iowa County197556%$198,900
53544Iowa County195969%$338,000
53553Iowa County195565%$168,500
53565Iowa County195765%$254,200
53580Iowa County195172%$154,200
53582Iowa County197952%$231,000

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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Madison, WI