Mold Removal Cost And Risk In Hardin County, OH

A typical professional mold job in Hardin County runs about $1,300 to $5,300 before rebuild, using the Ohio nonmetro price level. Below are the 10 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Ohio rules.

1969Median year homes were built

67%Homes built before 1980

27%Homes rented, not owned

$134,800Median home value

12,921Housing units

30,527People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Hardin County were built before 1969, and 67 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 Hardin County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 45836 has the oldest homes here, a median year of 1944, and ZIP 43310 the newest, 1975.

Typical Prices In Hardin County

JobSizeNational RangeHardin County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,300 to $5,300
Mold Remediationan attic$2,000 to $7,500$1,750 to $6,600
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 $700

Estimate is the national range times 88.3 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 $5,300, that cap falls short by about $300 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 Hardin 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 Hardin County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
43310Hardin County197558%$152,500
43326Hardin County196667%$135,700
43340Hardin County196173%$181,500
43346Hardin CountyNot published100%Not published
45810Hardin County197368%$157,500
45812Hardin County197557%$118,800
45835Hardin County195577%$95,600
45836Hardin County194479%$115,700
45843Hardin County197062%$150,900
45859McGuffey195570%$59,500

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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Hardin County Area

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