Mold Removal Cost And Risk In Middlesex County, MA

A typical professional mold job in Middlesex County runs about $1,600 to $6,500 before rebuild, using the Boston-Cambridge-Newton, MA-NH price level. Below are the 81 ZIP code neighborhoods, the age of the homes, FEMA's water hazard ratings and Massachusetts rules.

1961Median year homes were built

69%Homes built before 1980

38%Homes rented, not owned

$687,200Median home value

660,814Housing units

1,622,896People

Housing figures from Census ACS 2019 to 2023. Remediation workers here earn a median $24.00 an hour, BLS May 2025 wage survey.

Half the homes in Middlesex County were built before 1961, and 69 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 38 percent of homes in Middlesex County are rented, so most households here carry an owner's policy on the building itself.

Housing age swings by neighborhood. ZIP 01850 has the oldest homes here, a median year of 1938, and ZIP 02142 the newest, 2005.

Typical Prices In Middlesex County

JobSizeNational RangeMiddlesex County 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 Middlesex County

ZIPAreaMedian Year BuiltBuilt Before 1980Median Home Value
01431Middlesex County197161%$362,200
01432Middlesex County197556%$419,800
01450Middlesex County198639%$673,500
01460Middlesex County197653%$633,000
01463Middlesex County198049%$459,800
01464Middlesex County198050%$412,700
01469Middlesex County197665%$385,200
01474Middlesex County196956%$427,600
01701Framingham196380%$612,600
01702Framingham196774%$563,600
01718Middlesex County197678%$359,300
01719Middlesex County198050%$671,800
01720Middlesex County197460%$766,500
01721Middlesex County198344%$586,000
01730Middlesex County197753%$878,200
01731Middlesex County197260%Not published
01741Middlesex County197658%$1,055,600
01742Middlesex County196667%$1,139,200
01746Middlesex County196672%$620,500
01748Middlesex County199036%$726,100
01749Middlesex County197160%$480,300
01752Marlborough197160%$485,400
01754Maynard196272%$494,200
01760Middlesex County196661%$740,700
01770Middlesex County196873%$944,400
01773Middlesex County196966%$1,169,800
01775Middlesex County197360%$657,900
01776Middlesex County197555%$939,400
01778Middlesex County196268%$935,700
01801Woburn197062%$641,800
01803Burlington197163%$679,400
01821Middlesex County197264%$581,300
01824Middlesex County196674%$590,900
01826Middlesex County197655%$466,200
01827Middlesex County198638%$624,300
01850Lowell193882%$367,200
01851Lowell194375%$432,100
01852Lowell195576%$397,200
01854Lowell196866%$360,500
01862Middlesex County197656%$503,600
01863Middlesex County197752%$477,900
01864Middlesex County197262%$680,000
01867Reading196075%$741,100
01876Middlesex County198149%$546,600
01879Middlesex County198824%$533,300
01880Wakefield195672%$670,100
01886Middlesex County198346%$689,400
01887Wilmington197852%$646,200
01890Winchester195475%$1,181,700
02138Cambridge193882%$1,088,700
02139Cambridge193875%$1,066,200
02140Cambridge195065%$1,070,200
02141Cambridge197752%$892,600
02142Cambridge200518%$1,726,900
02143Somerville193880%$930,200
02144Somerville193886%$987,000
02145Somerville193877%$784,900
02148Malden194374%$607,500
02149Everett193879%$605,200
02155Medford194477%$715,500
02176Melrose193885%$796,100
02180Stoneham196570%$629,000
02420Lexington196270%$1,148,100
02421Lexington196663%$1,147,700
02451Waltham196770%$709,200
02452Waltham197062%$779,900
02453Waltham195474%$666,300
02458Newton193883%$1,116,600
02459Newton194481%$1,336,200
02460Newton193889%$1,124,300
02461Newton194576%$1,154,500
02462Newton194986%$1,265,400
02464Newton194375%$899,300
02465Newton193888%$1,098,600
02466Newton195472%$1,164,900
02468Newton194184%$1,809,300
02472Watertown Town194579%$737,600
02474Arlington194787%$887,000
02476Arlington193889%$882,100
02478Belmont193888%$1,108,800
02493Middlesex County196465%$1,586,100

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.

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Middlesex County Area

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