Mold Removal Cost And Risk In Vernon County, WI

A typical professional mold job in Vernon County runs about $1,400 to $5,500 before rebuild, using the La Crosse-Onalaska, WI-MN price level. Below are the 10 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Wisconsin rules.

1974Median year homes were built

58%Homes built before 1980

19%Homes rented, not owned

$210,600Median home value

13,939Housing units

30,915People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Vernon County were built before 1974, and 58 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 19 percent of homes in Vernon County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 54665 has the oldest homes here, a median year of 1969, and ZIP 54624 the newest, 1985.

Typical Prices In Vernon County

JobSizeNational RangeVernon County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,400 to $5,500
Mold Remediationan attic$2,000 to $7,500$1,850 to $6,900
Mold Inspection and Testinga visual inspection$200 to $600$200 to $550
Mold Inspection and Testingan inspection with samples$300 to $1,000$300 to $900
Mold Inspection and Testinga clearance test$300 to $800$300 to $750

Estimate is the national range times 91.8 divided by 100, the price level for La Crosse-Onalaska, WI-MN, 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 $5,500, that cap falls short by about $500 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Vernon 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 floodingRelatively Low
Coastal floodingNot Applicable
HurricaneVery Low
Cold waveRelatively High
Winter weatherRelatively Low

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

ZIP Code Neighborhoods In Vernon County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
54621Vernon County197460%$255,300
54624Vernon County198546%$184,000
54632Vernon County197356%$206,100
54634Vernon County197064%$180,800
54639Vernon County197259%$180,700
54651Vernon County197853%$198,000
54652Vernon County198050%$142,600
54658Vernon County197366%$228,800
54665Vernon County196960%$222,600
54667Vernon County197259%$209,500

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

Wisconsin Mold And Insurance Rules

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Area Map

Vernon County Area

La Crosse-Onalaska, WI-MN