Mold Removal Cost And Risk In Clatsop County, OR

A typical professional mold job in Clatsop County runs about $1,450 to $5,850 before rebuild, using the Oregon nonmetro price level. Below are the 7 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Oregon rules.

1975Median year homes were built

58%Homes built before 1980

38%Homes rented, not owned

$437,800Median home value

23,251Housing units

41,343People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Clatsop County were built before 1975, and 58 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 38 percent of homes in Clatsop County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 97103 has the oldest homes here, a median year of 1957, and ZIP 97102 the newest, 1991.

Typical Prices In Clatsop County

JobSizeNational RangeClatsop County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,450 to $5,850
Mold Remediationan attic$2,000 to $7,500$1,950 to $7,300
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 $950
Mold Inspection and Testinga clearance test$300 to $800$300 to $800

Estimate is the national range times 97.2 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 $5,850, that cap falls short by about $850 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Clatsop County high for coastal flooding. 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 Low
Coastal floodingVery High
HurricaneNot Applicable
Cold waveVery Low
Winter weatherVery Low

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

ZIP Code Neighborhoods In Clatsop County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
97102Clatsop County199130%$545,600
97103Clatsop County195771%$437,900
97110Clatsop County197951%$740,100
97121Warrenton198149%$384,900
97138Clatsop County197656%$433,200
97145Clatsop County195869%$693,500
97146Clatsop County199138%$440,200

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.

Oregon Rules On Mold

Oregon Mold And Insurance Rules

All Oregon Mold And Insurance Rules lines

All Oregon counties

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Area Map

Clatsop County Area

Astoria, OR