Mold Removal Cost And Risk In Green Lake County, WI

A typical professional mold job in Green Lake County runs about $1,350 to $5,350 before rebuild, using the Wisconsin nonmetro price level. Below are the 6 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Wisconsin rules.

1971Median year homes were built

64%Homes built before 1980

25%Homes rented, not owned

$206,300Median home value

10,731Housing units

19,165People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Green Lake County were built before 1971, 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 25 percent of homes in Green Lake County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 53939 has the oldest homes here, a median year of 1951, and ZIP 54941 the newest, 1977.

Typical Prices In Green Lake County

JobSizeNational RangeGreen Lake 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 Green Lake 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 Green Lake County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
53926Green Lake County197162%$216,200
53939Kingston195188%$130,800
53946Green Lake County196768%$233,000
53947Marquette197455%$211,100
54941Green Lake County197756%$270,200
54968Green Lake County196866%$180,300

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.

Wisconsin Rules On Mold

Wisconsin Mold And Insurance Rules

All Wisconsin Mold And Insurance Rules lines

All Wisconsin counties

Guides

Area Map

Green Lake County Area

Wisconsin