Mold Removal Cost And Risk In Shiawassee County, MI

A typical professional mold job in Shiawassee County runs about $1,350 to $5,350 before rebuild, using the Michigan nonmetro price level. Below are the 12 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Michigan rules.

1969Median year homes were built

70%Homes built before 1980

21%Homes rented, not owned

$164,600Median home value

30,272Housing units

68,061People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Shiawassee County were built before 1969, and 70 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 21 percent of homes in Shiawassee County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 48841 has the oldest homes here, a median year of 1951, and ZIP 48857 the newest, 1986.

Typical Prices In Shiawassee County

JobSizeNational RangeShiawassee 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 $6,650
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 89.0 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 $5,350, 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 Shiawassee County.

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

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

ZIP Code Neighborhoods In Shiawassee County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
48414Shiawassee County197072%$182,800
48418Shiawassee County198149%$246,500
48429Shiawassee County197078%$151,600
48449Shiawassee County197369%$141,400
48460Shiawassee County197173%$200,100
48476Vernon195493%$122,200
48817Shiawassee County196976%$164,200
48841Shiawassee County195189%$176,300
48848Shiawassee County197854%$249,200
48857Shiawassee County198644%$130,300
48867Shiawassee County196274%$145,600
48872Shiawassee County198049%$217,600

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.

Michigan Rules On Mold

Michigan Mold And Insurance Rules

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Area Map

Shiawassee County Area

Owosso, MI