Mold Removal Cost And Risk In Douglas County, WI

A typical professional mold job in Douglas County runs about $1,350 to $5,350 before rebuild, using the Duluth, MN-WI price level. Below are the 10 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Wisconsin rules.

1970Median year homes were built

66%Homes built before 1980

28%Homes rented, not owned

$190,400Median home value

22,997Housing units

44,197People

Housing figures from Census ACS 2019 to 2023. Remediation workers here earn a median $28.08 an hour, BLS May 2025 wage survey.

Half the homes in Douglas County were built before 1970, and 66 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 28 percent of homes in Douglas County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 54880 has the oldest homes here, a median year of 1961, and ZIP 54842 the newest, 1989.

Typical Prices In Douglas County

JobSizeNational RangeDouglas 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 $6,650
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 88.8 divided by 100, the price level for Duluth, MN-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 $5,350, that cap falls short by about $350 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Douglas 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 floodingVery Low
HurricaneNot Applicable
Cold waveRelatively High
Winter weatherRelatively Low

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

ZIP Code Neighborhoods In Douglas County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
54820Douglas County198050%$235,900
54836Douglas County198051%$195,600
54838Douglas County198148%$235,700
54842Douglas County198933%$196,300
54849Douglas County198050%$254,200
54854Douglas County197366%$182,900
54864Douglas County198050%$221,900
54873Douglas County197952%$232,800
54874Douglas County197753%$206,500
54880Douglas County196175%$176,700

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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Douglas County Area

Duluth, MN-WI