Mold Removal Cost And Risk In Brown County, WI

A typical professional mold job in Brown County runs about $1,400 to $5,600 before rebuild, using the Green Bay, WI price level. Below are the 13 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Wisconsin rules.

1980Median year homes were built

50%Homes built before 1980

35%Homes rented, not owned

$245,900Median home value

114,123Housing units

269,425People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Brown County were built before 1980, and 50 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 35 percent of homes in Brown County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 54301 has the oldest homes here, a median year of 1963, and ZIP 54155 the newest, 2005.

Typical Prices In Brown County

JobSizeNational RangeBrown County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,400 to $5,600
Mold Remediationan attic$2,000 to $7,500$1,850 to $7,000
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 $950
Mold Inspection and Testinga clearance test$300 to $800$300 to $750

Estimate is the national range times 93.1 divided by 100, the price level for Green Bay, 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 $5,600, that cap falls short by about $600 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Brown 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 Moderate
Coastal floodingRelatively Low
HurricaneVery Low
Cold waveRelatively High
Winter weatherRelatively Moderate

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

ZIP Code Neighborhoods In Brown County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
54115Brown County199631%$307,800
54126Brown County197556%$258,800
54155Brown County200517%$344,900
54173Suamico199131%$340,000
54180Wrightstown199525%$275,200
54208Brown County197754%$245,300
54229Brown County199226%$278,100
54301Allouez196379%$205,900
54302Green Bay197264%$164,500
54303Green Bay196773%$160,100
54304Ashwaubenon197075%$200,800
54311Brown County199330%$272,400
54313Suamico199133%$294,300

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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Green Bay, WI