Mold Removal Cost And Risk In Richland County, WI

A typical professional mold job in Richland County runs about $1,350 to $5,350 before rebuild, using the Wisconsin nonmetro price level. Below are the 7 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Wisconsin rules.

1970Median year homes were built

64%Homes built before 1980

24%Homes rented, not owned

$182,800Median home value

8,542Housing units

17,229People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Richland County were built before 1970, and 64 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 24 percent of homes in Richland County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 53924 has the oldest homes here, a median year of 1965, and ZIP 53518 the newest, 1981.

Typical Prices In Richland County

JobSizeNational RangeRichland County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,350 to $5,350
Mold Remediationan attic$2,000 to $7,500$1,800 to $6,700
Mold Inspection and Testinga visual inspection$200 to $600$200 to $550
Mold Inspection and Testingan inspection with samples$300 to $1,000$250 to $900
Mold Inspection and Testinga clearance test$300 to $800$250 to $700

Estimate is the national range times 89.6 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 $5,350, that cap falls short by about $350 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 Richland County.

HazardFEMA Risk Rating
Inland floodingRelatively Low
Coastal floodingNot Applicable
HurricaneVery Low
Cold waveRelatively Moderate
Winter weatherRelatively Low

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

ZIP Code Neighborhoods In Richland County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
53518Richland County198148%$147,000
53540Gotham197296%$112,500
53556Richland County197657%$176,600
53581Richland County196668%$180,200
53584SextonvilleNot published100%Not published
53924Richland County196568%$208,900
54664Richland County198050%$177,900

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.

Wisconsin Rules On Mold

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Richland County Area

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