Mold Removal Cost In Lexington, MA

A typical professional mold job in Lexington runs about $1,600 to $6,500 before rebuild. Lexington sits in Middlesex County.

1964Median year homes were built

66%Homes built before 1980

19%Homes rented, not owned

$1,147,900Median home value

12,672Housing units

34,085People

Figures for Lexington CDP from Census ACS 2019 to 2023.

Half the homes in Lexington were built before 1964, and 66 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 Lexington are rented, so most households here carry an owner's policy on the building itself.

Typical Prices In Lexington

JobSizeNational RangeLexington Estimate
Mold Remediationa typical professional job$1,500 to $6,000$1,600 to $6,500
Mold Remediationan attic$2,000 to $7,500$2,150 to $8,100
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 $1,100
Mold Inspection and Testinga clearance test$300 to $800$300 to $850

Estimate is the national range times 108.3 divided by 100, the price level for Boston-Cambridge-Newton, MA-NH, 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 $6,500, that cap falls short by about $1,500 at the top of that range. Read the form

Water Hazards FEMA Rates Here

FEMA rates Middlesex County high for inland flooding, hurricane, 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 floodingRelatively Low
HurricaneRelatively High
Cold waveRelatively High
Winter weatherRelatively Moderate

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

ZIP Code Neighborhoods In Lexington

ZIPMedian Year BuiltHomes RentedMedian Home Value
02420196213%$1,148,100
02421196624%$1,147,700

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Area Map

Lexington Area

Lexington CDP