Mold Removal Cost And Risk In Washington County, WI

A typical professional mold job in Washington County runs about $1,450 to $5,800 before rebuild, using the Milwaukee-Waukesha, WI price level. Below are the 11 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Wisconsin rules.

1984Median year homes were built

46%Homes built before 1980

22%Homes rented, not owned

$316,200Median home value

58,766Housing units

137,320People

Housing figures from Census ACS 2019 to 2023. Remediation workers here earn a median $23.19 an hour, BLS May 2025 wage survey.

Half the homes in Washington County were built before 1984, and 46 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 22 percent of homes in Washington County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 53002 has the oldest homes here, a median year of 1976, and ZIP 53037 the newest, 1996.

Typical Prices In Washington County

JobSizeNational RangeWashington County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,450 to $5,800
Mold Remediationan attic$2,000 to $7,500$1,950 to $7,250
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 96.9 divided by 100, the price level for Milwaukee-Waukesha, 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 $5,800, that cap falls short by about $800 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Washington 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 floodingNot Applicable
HurricaneVery Low
Cold waveRelatively High
Winter weatherRelatively Moderate

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

ZIP Code Neighborhoods In Washington County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
53002Washington County197662%$290,800
53017Richfield199336%$477,300
53022Germantown198738%$353,000
53027Washington County198842%$290,200
53033Richfield197855%$398,900
53037Washington County199624%$312,000
53040Washington County198448%$312,500
53076Richfield197952%$450,400
53086Washington County199240%$363,000
53090Washington County198050%$267,500
53095Washington County197659%$286,500

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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Milwaukee-Waukesha, WI