Mold Removal Cost And Risk In Green County, WI

A typical professional mold job in Green County runs about $1,450 to $5,850 before rebuild, using the Madison, WI price level. Below are the 7 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Wisconsin rules.

1971Median year homes were built

62%Homes built before 1980

25%Homes rented, not owned

$236,900Median home value

16,382Housing units

37,036People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Green County were built before 1971, and 62 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 County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 53522 has the oldest homes here, a median year of 1960, and ZIP 53521 the newest, 1984.

Typical Prices In Green County

JobSizeNational RangeGreen County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,450 to $5,850
Mold Remediationan attic$2,000 to $7,500$1,950 to $7,300
Mold Inspection and Testinga visual inspection$200 to $600$200 to $600
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 $800

Estimate is the national range times 97.3 divided by 100, the price level for Madison, 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 $5,850, that cap falls short by about $850 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 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 County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
53502Green County196564%$242,500
53521Green County198446%$365,600
53522Green County196072%$183,000
53550Green County196565%$226,600
53566Green County196769%$203,700
53570Green County196862%$233,900
53574Green County197654%$315,900

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

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Green County Area

Madison, WI