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IS Plumbing is your licensed plumber in Marlborough, MA — covering Downtown Marlborough, French Hill and the Fort Meadow area with plumbing, water heater and boiler installation, gas fitting and drain work.
Updated July 2026 · Reviewed by Ilgiz Shaikov, MA Master Plumber #17137
Marlborough pairs a historic downtown and older French Hill triple-deckers with a wave of newer homes and condos near the I-495 and Route 20 corridors. That mix keeps us doing everything — repiping older homes, swapping water heaters and boilers, gas fitting, drain cleaning and full bathroom remodels — always permitted, inspected and tidy.
Based in Millbury, MA, we cover all of Marlborough and the surrounding towns. Don't see your street? Call +1 (774) 486-0909 and ask.
Yes. Burst pipes, no heat and no hot water are treated as emergencies — we answer 24/7 with same-day visits across Marlborough.
Always. Plumbing and gas work in Marlborough is pulled under the proper City of Marlborough permits and inspected.
Yes. We install and replace tank and tankless water heaters and high-efficiency boilers throughout Marlborough, sized for your home.
Yes. As licensed gas fitters we install gas lines and piping, stove and dryer hookups and oil-to-gas conversions — permitted and inspected.
Yes. French Hill's older triple-deckers often still run galvanized supply lines and cast-iron drains — repiping and drain replacement is everyday work for us.
From our shop in Millbury, MA we serve Marlborough and the surrounding towns across the Worcester area, MetroWest and Greater Boston. Don't see your town listed? Call and ask.
Free quotes for scheduled work · 24/7 line for emergencies.
