Mold Removal Cost In Los Altos, CA

A typical professional mold job in Los Altos runs about $1,650 to $6,650 before rebuild. Los Altos sits in Santa Clara County.

1964Median year homes were built

74%Homes built before 1980

19%Homes rented, not owned

$2,000,001Median home value

11,620Housing units

30,736People

Figures for Los Altos city from Census ACS 2019 to 2023.

Half the homes in Los Altos were built before 1964, and 74 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 19 percent of homes in Los Altos are rented, so most households here carry an owner's policy on the building itself.

Typical Prices In Los Altos

JobSizeNational RangeLos Altos Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,650 to $6,650
Mold Remediationan attic$2,000 to $7,500$2,200 to $8,300
Mold Inspection and Testinga visual inspection$200 to $600$200 to $650
Mold Inspection and Testingan inspection with samples$300 to $1,000$350 to $1,100
Mold Inspection and Testinga clearance test$300 to $800$350 to $900

Estimate is the national range times 110.4 divided by 100, the price level for San Jose-Sunnyvale-Santa Clara, CA, 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 $6,650, that cap falls short by about $1,650 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Santa Clara County high for inland flooding, 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 floodingVery High
Coastal floodingRelatively High
HurricaneNot Applicable
Cold waveNo Rating
Winter weatherVery Low

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

ZIP Code Neighborhoods In Los Altos

ZIPMedian Year BuiltHomes RentedMedian Home Value
94024196212%$2,000,001

California Rules On Mold

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Los Altos city