Mold Removal Cost And Risk In Winnebago County, IA

A typical professional mold job in Winnebago County runs about $1,250 to $5,050 before rebuild, using the Iowa nonmetro price level. Below are the 7 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Iowa rules.

1961Median year homes were built

82%Homes built before 1980

26%Homes rented, not owned

$132,300Median home value

5,080Housing units

10,648People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Winnebago County were built before 1961, and 82 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 26 percent of homes in Winnebago County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 50465 has the oldest homes here, a median year of 1938, and ZIP 50436 the newest, 1969.

Typical Prices In Winnebago County

JobSizeNational RangeWinnebago County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,250 to $5,050
Mold Remediationan attic$2,000 to $7,500$1,700 to $6,300
Mold Inspection and Testinga visual inspection$200 to $600$150 to $500
Mold Inspection and Testingan inspection with samples$300 to $1,000$250 to $850
Mold Inspection and Testinga clearance test$300 to $800$250 to $650

Estimate is the national range times 84.1 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 $5,050, that cap falls short by about $50 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 Winnebago County.

HazardFEMA Risk Rating
Inland floodingVery Low
Coastal floodingNot Applicable
HurricaneNot Applicable
Cold waveRelatively Moderate
Winter weatherRelatively Moderate

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

ZIP Code Neighborhoods In Winnebago County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
50424Winnebago County195493%$109,200
50436Winnebago County196976%$164,300
50450Winnebago County196375%$157,500
50453Winnebago County194491%$162,500
50465Winnebago County193897%$34,200
50473Winnebago County193888%$141,000
50478Winnebago County195091%$94,400

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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Winnebago County Area

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