Mold Removal Cost In St. John, IN

A typical professional mold job in St. John runs about $1,550 to $6,200 before rebuild. St. John sits in Lake County.

2002Median year homes were built

24%Homes built before 1980

2%Homes rented, not owned

$370,800Median home value

7,614Housing units

21,639People

Figures for St. John town from Census ACS 2019 to 2023.

Half the homes in St. John were built before 2002, and 24 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 2 percent of homes in St. John are rented, so most households here carry an owner's policy on the building itself.

Typical Prices In St. John

JobSizeNational RangeSt. John Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,550 to $6,200
Mold Remediationan attic$2,000 to $7,500$2,050 to $7,750
Mold Inspection and Testinga visual inspection$200 to $600$200 to $600
Mold Inspection and Testingan inspection with samples$300 to $1,000$300 to $1,050
Mold Inspection and Testinga clearance test$300 to $800$300 to $850

Estimate is the national range times 103.6 divided by 100, the price level for Chicago-Naperville-Elgin, IL-IN, 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 $6,200, that cap falls short by about $1,200 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Lake County high for inland flooding, cold wave, winter weather. Water from these events is where mold claims start, and flood water is a separate policy. FloodSmart says mold damage is not covered under standard NFIP flood policies. FloodSmart

HazardFEMA Risk Rating
Inland floodingRelatively High
Coastal floodingVery Low
HurricaneVery Low
Cold waveVery High
Winter weatherRelatively High

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

ZIP Code Neighborhoods In St. John

ZIPMedian Year BuiltHomes RentedMedian Home Value
4637320002%$375,300

Indiana Rules On Mold

Indiana Mold And Insurance Rules

All Indiana Mold And Insurance Rules lines

Guides

Area Map

St. John Area

St. John town