---
title: "Jacob Zwicker, Title 5 System Inspector SI #14397 | Title 5 Roster"
description: "Jacob Zwicker is a MassDEP-approved Title 5 System Inspector (SI #14397) based in Hollis, NH. Approval expires June 30, 2028 per the NEIWPCC list."
canonical: https://title5roster.com/inspectors/jacob-zwicker-si14397/
---

# Jacob Zwicker, Title 5 System Inspector (SI #14397)

Jacob Zwicker is on the NEIWPCC list of MassDEP-approved Title 5 System Inspectors dated October 2, 2026.

* **SI number:** #14397
* **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:** Hollis, NH
* **County:** Out-of-state inspectors

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