Mold Removal Cost And Risk In Lewis County, ID

A typical professional mold job in Lewis County runs about $1,400 to $5,500 before rebuild, using the Idaho nonmetro price level. Below are the 2 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Idaho rules.

1965Median year homes were built

76%Homes built before 1980

26%Homes rented, not owned

$202,400Median home value

1,823Housing units

3,649People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Lewis County were built before 1965, and 76 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 26 percent of homes in Lewis County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 83543 has the oldest homes here, a median year of 1958, and ZIP 83523 the newest, 1965.

Typical Prices In Lewis County

JobSizeNational RangeLewis County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,400 to $5,500
Mold Remediationan attic$2,000 to $7,500$1,850 to $6,900
Mold Inspection and Testinga visual inspection$200 to $600$200 to $550
Mold Inspection and Testingan inspection with samples$300 to $1,000$300 to $900
Mold Inspection and Testinga clearance test$300 to $800$300 to $750

Estimate is the national range times 91.9 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 $5,500, that cap falls short by about $500 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 Lewis County.

HazardFEMA Risk Rating
Inland floodingVery Low
Coastal floodingNot Applicable
HurricaneNot Applicable
Cold waveVery Low
Winter weatherVery Low

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

ZIP Code Neighborhoods In Lewis County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
83523Lewis County196574%$193,900
83543Lewis County195881%$186,400

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.

Idaho Rules On Mold

Idaho Mold And Insurance Rules

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Lewis County Area

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