--- title: "Title 5 Roster | MassDEP-Approved Septic Inspectors by Town" description: "Find MassDEP-approved Title 5 septic System Inspectors by Massachusetts town, and learn what Title 5 requires when you buy or sell." canonical: https://title5roster.com/ --- # Title 5 Roster: find a MassDEP-approved Title 5 septic inspector in Massachusetts 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. 1139 approved System Inspectors in 1104 listings, from NEIWPCC's list of MassDEP-approved inspectors (current 10/2/2026). Inspectors employed by boards of health or MassDEP are left out because they generally act as regulators, not private hires. Selling or buying a Massachusetts home with a septic system? Title 5 usually requires an inspection within 2 years before the sale. [Here's how it works](https://title5roster.com/title-5-inspection/). ## Towns with the most approved inspectors [**Plymouth** 23 listings](https://title5roster.com/town/plymouth-ma/)[**Barnstable** 17 listings](https://title5roster.com/town/barnstable-ma/)[**Middleborough** 15 listings](https://title5roster.com/town/middleborough-ma/)[**Sandwich** 15 listings](https://title5roster.com/town/sandwich-ma/)[**Bourne** 13 listings](https://title5roster.com/town/bourne-ma/)[**Falmouth** 13 listings](https://title5roster.com/town/falmouth-ma/)[**Westford** 13 listings](https://title5roster.com/town/westford-ma/)[**Dennis** 12 listings](https://title5roster.com/town/dennis-ma/)[**Yarmouth** 12 listings](https://title5roster.com/town/yarmouth-ma/)[**Wareham** 11 listings](https://title5roster.com/town/wareham-ma/)[**Attleboro** 10 listings](https://title5roster.com/town/attleboro-ma/)[**Harwich** 10 listings](https://title5roster.com/town/harwich-ma/) [All 277 towns →](https://title5roster.com/towns/) · [Counties](https://title5roster.com/counties/) · [Out of state](https://title5roster.com/out-of-state/) ## Guides * [Title 5 at transfer: timing, pass/fail, exemptions](https://title5roster.com/title-5-inspection/) * [Buyer's guide](https://title5roster.com/buyers-guide/) * [Seller's guide](https://title5roster.com/sellers-guide/) * [Cost estimates](https://title5roster.com/title-5-inspection-cost/)