Mold Removal Cost And Risk In ZIP 54121 WI

A typical professional mold job in ZIP 54121 runs about $1,350 to $5,350 before rebuild. Half the homes here were built before 1979, the same as the Florence County median.

1979Median year homes were built

52%Homes built before 1980

11%Homes rented, not owned

$176,800Median home value

$923Median gross rent

3,238Housing units

Neighborhood figures for ZIP Code Tabulation Area 54121 from Census ACS 2019 to 2023.

52 percent of homes in 54121 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 11 percent of homes here are rented, against 10 percent across Florence County, so most households carry an owner's policy on the building.

The top of a typical mold job here, $5,350, is about 3.0 percent of the median home value of $176,800.

Typical Prices In 54121

JobSizeNational Range54121 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 Wisconsin, 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 For Florence County

FEMA rates Florence 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 floodingVery Low
Coastal floodingNot Applicable
HurricaneNo Rating
Cold waveRelatively High
Winter weatherVery Low

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

Wisconsin Rules On Mold

Nearby ZIP Codes In Florence County

Part of Florence County, Wisconsin.

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Area Map

54121, WI Area

Florence County