---
title: "Timothy M. Gearin, Title 5 System Inspector SI #3827 | Title 5 Roster"
description: "Timothy M. Gearin is a MassDEP-approved Title 5 System Inspector (SI #3827) based in Phillipston, MA. Approval expires June 30, 2028 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/timothy-m-gearin-si3827/
---

# Timothy M. Gearin, Title 5 System Inspector (SI #3827)

Timothy M. Gearin is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026.

* **SI number:** #3827
* **Approval expires:** June 30, 2028
* **Approved by:** Massachusetts Department of Environmental Protection (MassDEP); list published by NEIWPCC
* **Business listing:** Listed under own name
* **Based in:** Phillipston, MA
* **County:** Worcester County

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