Estimates only. Figures are based on regional data and industry surveys. Actual costs vary by scope, materials, and contractor. Always get at least 3 quotes before proceeding.

Mold Remediation Cost in Massachusetts

Local price estimates for 11 Massachusetts cities, adjusted for humidity levels and contractor market size. Select your city for a detailed breakdown.

Licensing in Massachusetts

Massachusetts does not have a specific mold remediation license. Look for contractors with IICRC S520 certification. Massachusetts does require home improvement contractors to be registered with the Office of Consumer Affairs.

Typical Cost Ranges

ScopeAreaTypical Cost
Small / surface<10 sq ft$500 – $1,500
Medium10–100 sq ft$1,500 – $5,000
Large / structural100+ sq ft or HVAC$5,000 – $30,000+

Sources: EPA guidance, IICRC S520, industry surveys. Estimates as of 2026.

Frequently Asked Questions

How much does mold remediation cost in Massachusetts?

Costs typically range from $1,500 to $5,000 for medium-sized jobs. Small surface mold starts around $500; large structural infestations can exceed $15,000. Costs vary by city — see local estimates below.

Should I get an inspection before hiring a remediation contractor?

Yes — an independent inspection defines the scope before you get quotes, and gives you an unbiased assessment not tied to a contractor's profit motive. Use an inspector who does not also offer remediation services.

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Cost Estimates by City in Massachusetts

Boston 15 contractors · 73% humidity Worcester 14 contractors · 71% humidity Springfield 16 contractors · 72% humidity Cambridge 7 contractors · 71% humidity Lowell 10 contractors · 71% humidity Brockton 11 contractors · 73% humidity Quincy 17 contractors · 73% humidity Lynn 4 contractors · 74% humidity New Bedford 11 contractors · 75% humidity Newton 11 contractors · 71% humidity Lawrence 10 contractors · 72% humidity

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Cost estimates based on EPA guidance, IICRC S520 standards, and regional contractor market data. MoldGuide is a lead referral service and does not provide remediation services or guarantee any quoted price.