Mold Removal Cost And Risk In Washington County, OR

A typical professional mold job in Washington County runs about $1,600 to $6,350 before rebuild, using the Portland-Vancouver-Hillsboro, OR-WA price level. Below are the 23 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Oregon rules.

1990Median year homes were built

36%Homes built before 1980

39%Homes rented, not owned

$558,500Median home value

240,409Housing units

600,266People

Housing figures from Census ACS 2019 to 2023. Remediation workers here earn a median $24.01 an hour, BLS May 2025 wage survey.

Half the homes in Washington County were built before 1990, and 36 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 39 percent of homes in Washington County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 97144 has the oldest homes here, a median year of 1971, and ZIP 97006 the newest, 1997.

Typical Prices In Washington County

JobSizeNational RangeWashington County Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,600 to $6,350
Mold Remediationan attic$2,000 to $7,500$2,100 to $7,900
Mold Inspection and Testinga visual inspection$200 to $600$200 to $650
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 105.4 divided by 100, the price level for Portland-Vancouver-Hillsboro, OR-WA, 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 $6,350, that cap falls short by about $1,350 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Washington County high for inland flooding, cold wave. 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 floodingNo Rating
HurricaneNot Applicable
Cold waveRelatively High
Winter weatherRelatively Moderate

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

ZIP Code Neighborhoods In Washington County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
97003Aloha199133%$458,200
97005Beaverton197463%$476,000
97006Beaverton199722%$535,800
97007Washington County199321%$582,700
97008Beaverton197857%$555,300
97062Tualatin199128%$607,800
97078Washington County197954%$462,700
97106Washington County199138%$512,900
97109Washington County197855%$576,500
97113Washington County198740%$434,100
97116Washington County198150%$479,800
97117Washington County197361%$603,200
97119Washington County197458%$590,600
97123Washington County199334%$489,100
97124Washington County199525%$518,500
97125Washington County197770%Not published
97133Washington County199627%$644,300
97140Washington County199624%$618,000
97144Washington County197180%$526,800
97223Tigard198542%$577,600
97224Tigard198836%$579,400
97225Beaverton197165%$709,500
97229Bethany199724%$728,800

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.

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Portland-Vancouver-Hillsboro, OR-WA