Mold Removal Cost In Hillsborough, CA

A typical professional mold job in Hillsborough runs about $1,750 to $6,950 before rebuild. Hillsborough sits in San Mateo County.

1967Median year homes were built

75%Homes built before 1980

7%Homes rented, not owned

$2,000,001Median home value

3,804Housing units

11,122People

Figures for Hillsborough town from Census ACS 2019 to 2023.

Half the homes in Hillsborough were built before 1967, and 75 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 7 percent of homes in Hillsborough are rented, so most households here carry an owner's policy on the building itself.

Typical Prices In Hillsborough

JobSizeNational RangeHillsborough Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,750 to $6,950
Mold Remediationan attic$2,000 to $7,500$2,300 to $8,650
Mold Inspection and Testinga visual inspection$200 to $600$250 to $700
Mold Inspection and Testingan inspection with samples$300 to $1,000$350 to $1,150
Mold Inspection and Testinga clearance test$300 to $800$350 to $900

Estimate is the national range times 115.6 divided by 100, the price level for San Francisco-Oakland-Fremont, 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 $6,950, that cap falls short by about $1,950 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates San Mateo 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 floodingRelatively 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 Hillsborough

ZIPMedian Year BuiltHomes RentedMedian Home Value
94010195939%$2,000,001

California Rules On Mold

California Mold And Insurance Rules

All California Mold And Insurance Rules lines

California Department of Insurance

All California Department of Insurance lines

Guides

Area Map

Hillsborough Area

Hillsborough town