Mold Removal Cost And Risk In Jefferson County, IA

A typical professional mold job in Jefferson County runs about $1,250 to $5,050 before rebuild, using the Iowa nonmetro price level. Below are the 6 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Iowa rules.

1967Median year homes were built

66%Homes built before 1980

35%Homes rented, not owned

$161,200Median home value

7,707Housing units

15,676People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Jefferson County were built before 1967, and 66 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 Jefferson County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 52533 has the oldest homes here, a median year of 1938, and ZIP 52567 the newest, 1975.

Typical Prices In Jefferson County

JobSizeNational RangeJefferson 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 Jefferson County.

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

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

ZIP Code Neighborhoods In Jefferson County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
52533Jefferson County193879%$110,300
52540Jefferson County193884%$106,600
52556Jefferson County196865%$168,200
52567Jefferson County197555%$179,000
52580Jefferson County196063%$112,200
52635Jefferson County197464%Not published

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.

Iowa Rules On Mold

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Jefferson County Area

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