Mold Removal Cost And Risk In Natrona County, WY

A typical professional mold job in Natrona County runs about $1,400 to $5,650 before rebuild, using the Casper, WY price level. Below are the 10 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Wyoming rules.

1977Median year homes were built

56%Homes built before 1980

26%Homes rented, not owned

$260,400Median home value

37,101Housing units

79,735People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Natrona County were built before 1977, and 56 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 Natrona County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 82643 has the oldest homes here, a median year of 1938, and ZIP 82636 the newest, 1994.

Typical Prices In Natrona County

JobSizeNational RangeNatrona County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,400 to $5,650
Mold Remediationan attic$2,000 to $7,500$1,900 to $7,050
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 $950
Mold Inspection and Testinga clearance test$300 to $800$300 to $750

Estimate is the national range times 93.8 divided by 100, the price level for Casper, WY, 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 $5,650, that cap falls short by about $650 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Natrona County high for 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 Moderate
Coastal floodingNot Applicable
HurricaneNot Applicable
Cold waveRelatively Moderate
Winter weatherVery High

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

ZIP Code Neighborhoods In Natrona County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
82601Natrona County197063%$244,200
82604Natrona County197757%$270,800
82609Natrona County198148%$280,800
82620Natrona County199039%$425,600
82635Natrona County198342%$26,300
82636Natrona County199440%$266,000
82638Natrona CountyNot published0%Not published
82643Natrona County193890%$70,300
82644Mills197456%$167,900
82648Natrona CountyNot published0%Not published

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.

Wyoming Rules On Mold

Wyoming Mold And Insurance Rules

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Natrona County Area

Casper, WY