Mold Removal Cost And Risk In Mercer County, OH

A typical professional mold job in Mercer 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.

1974Median year homes were built

57%Homes built before 1980

20%Homes rented, not owned

$208,600Median home value

18,023Housing units

42,438People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Mercer County were built before 1974, and 57 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 20 percent of homes in Mercer County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 45866 has the oldest homes here, a median year of 1952, and ZIP 45883 the newest, 1981.

Typical Prices In Mercer County

JobSizeNational RangeMercer 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 Mercer 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 Mercer County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
45310Burkettsville195979%$189,300
45822Mercer County197654%$184,600
45826Chickasaw197464%$275,000
45828Mercer County197657%$233,700
45846Mercer County197457%$250,300
45860Mercer County197258%$299,700
45862Mercer County196176%$112,000
45866Montezuma195293%$112,500
45882Mercer County195780%$158,400
45883Mercer County198149%$283,200

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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Mercer County Area

Celina, OH