Mold Removal Cost And Risk In ZIP 99345 WA

A typical professional mold job in ZIP 99345 runs about $1,500 to $6,000 before rebuild. Half the homes here were built before 1985, older than the Benton County median of 1987.

1985Median year homes were built

45%Homes built before 1980

38%Homes rented, not owned

$422,200Median home value

$441Median gross rent

73Housing units

Neighborhood figures for ZIP Code Tabulation Area 99345 from Census ACS 2019 to 2023. Remediation pay in this metro is $50.26 an hour, BLS May 2025 wage survey.

45 percent of homes in 99345 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 here are rented, against 32 percent across Benton County, so most households carry an owner's policy on the building.

The top of a typical mold job here, $6,000, is about 1.4 percent of the median home value of $422,200.

Typical Prices In 99345

JobSizeNational Range99345 Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,500 to $6,000
Mold Remediationan attic$2,000 to $7,500$2,000 to $7,500
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 100.1 divided by 100, the price level for Kennewick-Richland, 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 $6,000, that cap falls short by about $1,000 at the top of that range. Read the form

Water Hazards FEMA Rates For Benton County

FEMA rates Benton 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 weatherRelatively High

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

Washington Rules On Mold

Nearby ZIP Codes In Benton County

Part of Benton County, Washington.

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99345, WA Area

Benton County