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South Shore Home Guide
A plumber working on pipes in an under-sink cabinet.

Department

Licensed plumbers serving the South Shore

Plumbers in Massachusetts must hold a state-issued plumbing license. Work ranges from emergency repairs and water heater installation to full-bath remodel plumbing rough-ins.

Typical project size
$300-$8K
Higher end of the range
$200-$5K
Lower end of the range
Massachusetts licensing
Massachusetts Plumbing License (Journeyman or Master)
Verify any contractor’s license at elicensing.mass.gov.
Before you hire
Get written quotes from three contractors. On any residential job over $1,000, Massachusetts law requires a written contract with the contractor’s HIC registration number.

EditorialListings sorted by alphabetical order from public data. Full disclosure.

Directory

Sorted by alphabetical order · Data as of April 2026

Affordable Heating & AC LLC

Based in Plymouth

Years in business
28
Self-listed specialties
Heat pumps, Boilers, Air conditioning, Ductwork, Oil-to-gas conversion

AJM Plumbing & Heating

Based in Rockland

Massachusetts licensing
HIC #33358· Publicly disclosed
Self-listed specialties
Plumbing, Heating, HVAC
Sources (1)
  • MA HIC #33358 · Publicly disclosed on company source · captured April 2026source ↗

Aspinwall Plumbing, Heating & Air Conditioning

Based in Weymouth

Years in business
53
Massachusetts licensing
HIC #8140· Publicly disclosed
Self-listed specialties
Plumbing, Heating, Air conditioning, Mini-split systems, Navien tankless water heaters
Sources (2)
  • BBB profile · captured April 2026source ↗
  • MA HIC #8140 · Publicly disclosed on company source · captured April 2026source ↗

Carmark Plumbing & Heating

Based in Pembroke

Massachusetts licensing
HIC #16083· Publicly disclosed
Self-listed specialties
Plumbing, Heating, HVAC
Sources (1)
  • MA HIC #16083 · Publicly disclosed on company source · captured April 2026source ↗

McKay Plumbing & Heating

Based in Plymouth

Massachusetts licensing
HIC #13693· Publicly disclosed
Self-listed specialties
Plumbing, Heating, HVAC
Sources (1)
  • MA HIC #13693 · Publicly disclosed on company source · captured April 2026source ↗

Mount Pleasant Plumbing and Heating

Based in Plymouth

Massachusetts licensing
HIC #G3794M· Publicly disclosed
Self-listed specialties
Plumbing, Heating, HVAC
Sources (1)
  • MA HIC #G3794M · Publicly disclosed on company source · captured April 2026source ↗

Old Colony Mechanical, Inc.

Based in Hingham

Years in business
35
Self-listed specialties
HVAC installation, Plumbing, Gas conversions, Sheet-metal ductwork, High-velocity AC (Space-Pak, UNICO), Hot water heaters
Sources (1)

Rego Electric Heating Cooling & Plumbing

Massachusetts licensing
HIC #187244· Publicly disclosed
Self-listed specialties
Electrical, Heating, Cooling, Plumbing
Sources (1)
  • MA HIC #187244 · Publicly disclosed on company source · captured April 2026source ↗

True Blue Plumbing and Heating

Massachusetts licensing
HIC #16343· Publicly disclosed
Self-listed specialties
Plumbing, Heating, HVAC
Sources (1)
  • MA HIC #16343 · Publicly disclosed on company source · captured April 2026source ↗

Directory data aggregated from public sources including Google Business Profile, the Yelp public directory, the Massachusetts Division of Professional Licensure contractor lookup, and Better Business Bureau accreditation listings. Review counts and ratings reflect publicly available data as of April 2026. This directory is based on publicly available data and may not include every licensed contractor in the area.

By town

Plumbers by town

Town-specific pages include local building considerations for the category.

This content is for informational purposes only. We recommend obtaining multiple quotes and independently verifying contractor credentials. See our disclosure and corrections policy.