Mold Removal Cost And Risk In Washington County, IA

A typical professional mold job in Washington County runs about $1,350 to $5,500 before rebuild, using the Iowa City, IA price level. Below are the 7 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Iowa rules.

1962Median year homes were built

69%Homes built before 1980

28%Homes rented, not owned

$199,600Median home value

9,638Housing units

22,539People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Washington County were built before 1962, and 69 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 28 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 52201 has the oldest homes here, a median year of 1938, and ZIP 52356 the newest, 1973.

Typical Prices In Washington County

JobSizeNational RangeWashington County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,350 to $5,500
Mold Remediationan attic$2,000 to $7,500$1,850 to $6,850
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 $750

Estimate is the national range times 91.5 divided by 100, the price level for Iowa City, IA, 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 $5,500, that cap falls short by about $500 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 Washington County.

HazardFEMA Risk Rating
Inland floodingRelatively 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 Washington County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
52201Washington County193888%$181,800
52248Washington County195987%$154,600
52327Washington County197156%$288,400
52353Washington County195378%$155,700
52356Washington County197359%$205,200
52359Washington County193878%$162,500
52621Washington County193875%$105,000

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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Washington County Area

Iowa City, IA