Mold Removal Cost And Risk In Lake County, CA

A typical professional mold job in Lake County runs about $1,500 to $6,000 before rebuild, using the California nonmetro price level. Below are the 14 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and California rules.

1980Median year homes were built

50%Homes built before 1980

29%Homes rented, not owned

$316,800Median home value

34,271Housing units

68,139People

Housing figures from Census ACS 2019 to 2023.

Half the homes in Lake County were built before 1980, and 50 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 29 percent of homes in Lake County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 95493 has the oldest homes here, a median year of 1969, and ZIP 95467 the newest, 1991.

Typical Prices In Lake County

JobSizeNational RangeLake County 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 100.0 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 $6,000, that cap falls short by about $1,000 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Lake County high for inland 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 High
Coastal floodingNot Applicable
HurricaneNot Applicable
Cold waveNo Rating
Winter weatherRelatively Low

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

ZIP Code Neighborhoods In Lake County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
95422Lake County197659%$206,300
95423Lake County198050%$285,300
95426Lake County197064%$348,000
95435Lake CountyNot published0%Not published
95443Lake County198618%Not published
95451Lake County198540%$340,700
95453Lake County197855%$371,100
95457Lake County198050%$414,100
95458Lake County197370%$237,100
95461Lake County198443%$385,000
95464Nice197856%$154,100
95467Hidden Valley Lake199114%$394,000
95485Lake County198246%$364,600
95493Lake County196954%$750,000

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.

California Rules On Mold

California Mold And Insurance Rules

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California Department of Insurance

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Area Map

Lake County Area

Clearlake, CA