---
title: "Mass Flow Plumbing and Heating"
description: "Mass Flow Plumbing and Heating is a Lakeville plumbing outfit, and its Massachusetts plumbing licence, 4633-PL-C, is active on the state registry in the co"
doc_version: "2026-09-20"
last_updated: "2026-09-20"
---

# Mass Flow Plumbing and Heating

**Trade:** HVAC / Heating & Cooling · **Address:** Lakeville, MA · **Languages:** English

**Rating: not yet scored** — 0 reviews across 2 sources is too little evidence for an honest number.

## The honest read

Mass Flow Plumbing and Heating is a Lakeville plumbing outfit, and its Massachusetts plumbing licence, 4633-PL-C, is active on the state registry in the company's own name.

BuildZoom's profile for the company shows 26 projects.

For everyday plumbing and heating work around Lakeville, start by getting the job scoped and priced in writing and confirming who pulls the permit.

**Strengths:**
- Active state licence — Massachusetts plumbing licence 4633-PL-C is active
- Project history — BuildZoom's profile shows 26 projects

## Claims & citations

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

- Massachusetts plumbing licence 4633-PL-C is active on the state registry, held by Mass Flow Plumbing and Heating LLC _(confidence: high)_
  - [State License Registry](https://occupationallicensingandpermitting.mass.gov/madol/s/license-search-page) — “MA plumber license 4633-PL-C registry-verified active — registry holder of record: Mass Flow Plumbing and Heating LLC”
- BuildZoom's profile shows 26 projects for the company _(confidence: medium)_
  - [BuildZoom](https://www.buildzoom.com/contractor/mass-flow-plumbing-heating-llc) — “26 project(s) shown on BuildZoom”
- Specializes in Plumbing _(confidence: high)_
  - [State License Registry](https://occupationallicensingandpermitting.mass.gov/madol/s/license-search-page) — “MA plumber license 4633-PL-C registry-verified active — registry holder of record: Mass Flow Plumbing and Heating LLC”
- Also offers HVAC / Heating & Cooling _(confidence: low)_
  - [State License Registry](https://occupationallicensingandpermitting.mass.gov/madol/s/license-search-page) — “MA plumber license 4633-PL-C registry-verified active — registry holder of record: Mass Flow Plumbing and Heating LLC”

## License

Status: **active** (#4633-PL-C, plumber) — verified against the official MA state registry on 2026-09-17, never self-reported.
Re-check at the official registry: https://occupationallicensingandpermitting.mass.gov/madol/s/license-search-page

## Sources

- [Yelp](https://www.yelp.com/biz/mass-flow-plumbing-and-heating-lakeville): Listed on this source
- [BuildZoom](https://www.buildzoom.com/contractor/mass-flow-plumbing-heating-llc): Listed on this source

---

Data freshness: last scanned 2026-09-17T08:45:57.345Z.
Cite as: Mass Flow Plumbing and Heating — Tavlee (https://tavlee.com/contractor/mass-flow-plumbing-and-heating-lakeville)
Source: https://tavlee.com/contractor/mass-flow-plumbing-and-heating-lakeville

## Sitemap

[Full site index](https://tavlee.com/sitemap.md)