Mold Removal Cost And Risk In Gem County, ID

A typical professional mold job in Gem County runs about $1,500 to $5,900 before rebuild, using the Boise City, ID price level. Below are the 4 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Idaho rules.

1982Median year homes were built

49%Homes built before 1980

23%Homes rented, not owned

$367,300Median home value

7,788Housing units

19,854People

Housing figures from Census ACS 2019 to 2023. Remediation workers here earn a median $23.39 an hour, BLS May 2025 wage survey.

Half the homes in Gem County were built before 1982, and 49 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 23 percent of homes in Gem County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 83636 has the oldest homes here, a median year of 1972, and ZIP 83657 the newest, 2001.

Typical Prices In Gem County

JobSizeNational RangeGem County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,500 to $5,900
Mold Remediationan attic$2,000 to $7,500$1,950 to $7,400
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 $1,000
Mold Inspection and Testinga clearance test$300 to $800$300 to $800

Estimate is the national range times 98.4 divided by 100, the price level for Boise City, ID, 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 $5,900, that cap falls short by about $900 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 Gem County.

HazardFEMA Risk Rating
Inland floodingRelatively Low
Coastal floodingNot Applicable
HurricaneNot Applicable
Cold waveVery Low
Winter weatherRelatively Low

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

ZIP Code Neighborhoods In Gem County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
83617Gem County198051%$364,200
83636Gem County197273%Not published
83657Gem County200128%$482,900
83670Gem County199624%$309,700

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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Area Map

Gem County Area

Boise City, ID