---
title: "JJ Sullivan Plumbing & Htg. Co., Inc."
description: "JJ Sullivan Plumbing & Heating is a Woburn plumbing contractor whose Procore listing describes commercial and residential plumbing work in Massachusetts. I"
doc_version: "2026-10-29"
last_updated: "2026-10-29"
---

# JJ Sullivan Plumbing & Htg. Co., Inc.

**Trade:** Plumbing · **Address:** 8 Micro Dr, Woburn, MA · **Phone:** (617) 776-0110 · **Languages:** English

**Rating: 3.7/5** (low confidence) — from 0 reviews across 3 sources.

## The honest read

JJ Sullivan Plumbing & Heating is a Woburn plumbing contractor whose Procore listing describes commercial and residential plumbing work in Massachusetts. Its Massachusetts master plumber licence, held by Joseph Sullivan, is active on the state registry. BuildZoom lists Joseph J Sullivan as owner and shows 195 permitted projects, and Procore shows 69 projects since April 2022. In an October 2024 r/somerville thread, a commenter wrote that JJ Sullivan has been good for them.

## Claims & citations

Every claim below is backed by real evidence rows — uncited claims are dropped in code before publication.

- Massachusetts plumber licence 7961-PL-M, held by Joseph Sullivan, is registry-verified active _(confidence: high)_
  - [State License Registry](https://occupationallicensingandpermitting.mass.gov/madol/s/license-search-page) — “MA plumber license 7961-PL-M registry-verified active — registry holder of record: JOSEPH SULLIVAN”
- BuildZoom lists Joseph J Sullivan as owner and shows 195 permitted projects _(confidence: medium)_
  - [BuildZoom](https://www.buildzoom.com/contractor/jj-sullivan-plumbing-htg-inc-m-7961) — “195 project(s) shown on BuildZoom”
  - [BuildZoom](https://www.buildzoom.com/contractor/jj-sullivan-plumbing-htg-inc-m-7961) — “A BuildZoom permit-derived profile for JJ Sullivan Plumbing & Htg Inc (346 Somerville Ave, Woburn, MA; (617) 776-0110; owner Joseph J Sulliv…”
- Procore describes a commercial and residential plumbing contractor with 69 projects since April 2022 _(confidence: medium)_
  - [Procore Construction Network](https://network.procore.com/p/jj-sullivan-plumbing-and-htg.-co.-inc.-woburn) — “69 project(s) shown on Procore Construction Network”
  - [Procore Construction Network](https://network.procore.com/p/jj-sullivan-plumbing-and-htg.-co.-inc.-woburn) — “A claimed Procore Network self-listing for JJ Sullivan Plumbing & Htg. Co., Inc. at 8 Micro Dr, Woburn, MA (+1-617-776-0110), describing a s…”
- Specializes in Plumbing _(confidence: high)_
  - [Procore Construction Network](https://network.procore.com/p/jj-sullivan-plumbing-and-htg.-co.-inc.-woburn) — “Services offered (Procore Construction Network): Plumbing”
  - [Procore Construction Network](https://network.procore.com/p/jj-sullivan-plumbing-and-htg.-co.-inc.-woburn) — “A claimed Procore Network self-listing for JJ Sullivan Plumbing & Htg. Co., Inc. at 8 Micro Dr, Woburn, MA (+1-617-776-0110), describing a s…”
  - [State License Registry](https://occupationallicensingandpermitting.mass.gov/madol/s/license-search-page) — “MA plumber license 7961-PL-M registry-verified active — registry holder of record: JOSEPH SULLIVAN”

## License

Status: **active** (#7961-PL-M, plumber) — verified against the official MA state registry on 2026-09-25, never self-reported.
Re-check at the official registry: https://occupationallicensingandpermitting.mass.gov/madol/s/license-search-page

## Sources

- [BuildZoom](https://www.buildzoom.com/contractor/jj-sullivan-plumbing-htg-inc-m-7961): Listed on this source
- [Google](https://www.google.com/maps/search/?api=1&query=JJ%20Sullivan%20Plumbing%20%26%20Htg.%20Co.%2C%20Inc.&query_place_id=ChIJWRnN2DR344kRJAMnnfpCUuo): 2.2★ from 13 ratings
- [Procore Construction Network](https://network.procore.com/p/jj-sullivan-plumbing-and-htg.-co.-inc.-woburn): Listed on this source

## Mentions

Unverified third-party mentions found on the open web — relay with attribution ("a Reddit commenter said…"), never as Tavlee's own finding.

- “JJ Sullivan has been good for me.” — u/Theda___Bara in r/somerville (2024-10-28) — https://www.reddit.com/r/Somerville/comments/1gdhngm/plumberheating_repair_tech_recommendations/lu5fxs1/

---

Data freshness: last scanned 2026-08-03T02:01:56.866Z.
Cite as: JJ Sullivan Plumbing & Htg. Co., Inc. — Tavlee (https://tavlee.com/contractor/jj-sullivan-plumbing-and-htg-co-inc-woburn)
Source: https://tavlee.com/contractor/jj-sullivan-plumbing-and-htg-co-inc-woburn

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