---
title: "Gregory R. Lahaie, Title 5 System Inspector SI #14877 | Title 5 Roster"
description: "Gregory R. Lahaie is a MassDEP-approved Title 5 System Inspector (SI #14877) based in Bourne, MA. Approval expires May 1, 2027 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/gregory-r-lahaie-si14877/
---

# Gregory R. Lahaie, Title 5 System Inspector (SI #14877)

Gregory R. Lahaie is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026.

* **SI number:** #14877
* **Approval expires:** May 1, 2027
* **Approved by:** Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
* **Business listing:** G.S Redlon & Sons, Inc
* **Based in:** Bourne, MA
* **County:** Barnstable County

Source: https://neiwpcc.org/wp-content/uploads/2026/10/SI-Instate-10.2.2026.pdf (retrieved 2026-10-12)