Mold Removal Cost And Risk In Ottawa County, OH

A typical professional mold job in Ottawa County runs about $1,350 to $5,350 before rebuild, using the Sandusky, OH price level. Below are the 14 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

16%Homes rented, not owned

$200,700Median home value

28,762Housing units

40,161People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Ottawa 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 16 percent of homes in Ottawa County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 43408 has the oldest homes here, a median year of 1938, and ZIP 43456 the newest, 1985.

Typical Prices In Ottawa County

JobSizeNational RangeOttawa County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,350 to $5,350
Mold Remediationan attic$2,000 to $7,500$1,800 to $6,700
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 89.3 divided by 100, the price level for Sandusky, 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 $5,350, that cap falls short by about $350 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 Ottawa County.

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

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

ZIP Code Neighborhoods In Ottawa County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
43408Clay Center193885%$120,700
43416Ottawa County195577%$175,500
43430Ottawa County195780%$149,500
43432Ottawa County195966%$216,100
43436Ottawa County193888%Not published
43439Ottawa CountyNot published100%Not published
43440Ottawa County198148%$274,700
43445Ottawa County196471%$190,600
43446Ottawa County198346%Not published
43449Ottawa County197261%$174,600
43452Ottawa County197655%$206,800
43456Ottawa County198544%$497,500
43458Rocky Ridge195478%$88,000
43468Ottawa County194280%$210,000

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.

Ohio Rules On Mold

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Ottawa County Area

Sandusky, OH