Free directory · 1,139 MassDEP-approved System InspectorsList / claim a listing

About Title 5 Roster

Title 5 Roster is a free directory of MassDEP-approved Title 5 septic System Inspectors in Massachusetts, organized by town, with plain-language guides to septic inspections at property transfer.

It is for Massachusetts home buyers, sellers, agents and attorneys who need a Title 5 inspection, and for inspectors who want to claim or correct their listing. Listings come from NEIWPCC's public lists of MassDEP-approved System Inspectors (current 10/2/2026). Inspectors employed by town boards of health or MassDEP are not listed as hireable.

Where the information comes from

How it's built

Who operates Title 5 Roster

Title 5 Roster (title5roster.com) is operated by Title 5 Roster. Contact us through the contact page.

Independence

Title 5 Roster is independent. It isn't affiliated with any government agency, licensing board or contractor, and a listing is not an endorsement. See how we make money, how we verify listings and about our data.