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Douglas J. HartnettLicensed

Licensed septic contractor in Franklin, MA

NameDouglas J. Hartnett
License number339, 1018
License typeSoil Evaluator, Title 5 System Inspector
License statusApproved — MassDEP Title 5 Approved System Inspectors list · Approved — MassDEP Approved Soil Evaluators list
License expires2028-06-30
LocationFranklin, Massachusetts

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What this license covers

How to verify this license

We publish this listing exactly as it appears in Massachusetts's official licensing records; we do not vouch for the business itself. Before hiring, look up license #339, 1018 directly with the state, confirm it is still active, and ask for a current certificate of insurance.

Source: MassDEP Title 5 - Approved System Inspectors · MassDEP - Approved Soil Evaluators, last checked 2026-08-17. Verify at the official source.

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