Mold Removal Cost And Risk In Miami County, OH

A typical professional mold job in Miami County runs about $1,400 to $5,550 before rebuild, using the Dayton-Kettering-Beavercreek, OH price level. Below are the 11 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Ohio rules.

1970Median year homes were built

65%Homes built before 1980

27%Homes rented, not owned

$209,200Median home value

47,028Housing units

109,549People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Miami County were built before 1970, and 65 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 27 percent of homes in Miami County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 45361 has the oldest homes here, a median year of 1941, and ZIP 45371 the newest, 1983.

Typical Prices In Miami County

JobSizeNational RangeMiami County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,400 to $5,550
Mold Remediationan attic$2,000 to $7,500$1,850 to $6,950
Mold Inspection and Testinga visual inspection$200 to $600$200 to $550
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 $750

Estimate is the national range times 92.7 divided by 100, the price level for Dayton-Kettering-Beavercreek, OH, 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 $5,550, that cap falls short by about $550 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 Miami County.

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

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

ZIP Code Neighborhoods In Miami County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
45312Miami County196681%$253,500
45318Miami County195979%$176,100
45326Miami County195671%$149,200
45337Miami County197462%$226,300
45339Miami County197174%$232,900
45356Miami County195676%$144,500
45359Miami County195572%$186,600
45361Potsdam194194%$116,700
45371Miami County198348%$272,100
45373Miami County197460%$234,400
45383Miami County196874%$149,200

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.

Ohio Rules On Mold

Ohio Mold And Insurance Rules

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Area Map

Miami County Area

Dayton-Kettering-Beavercreek, OH