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Need a licensed plumber in Cambridge, MA? IS Plumbing serves Harvard Square, Central Square, Kendall, Porter Square and East Cambridge with plumbing, heating, gas fitting and drain work in homes, condos and multi-families.
Updated July 2026 · Reviewed by Ilgiz Shaikov, MA Master Plumber #17137
Cambridge is dense and old — triple-deckers and two-families in North Cambridge and Cambridgeport, brownstone-era condos near the squares, and tight mechanical rooms throughout. We do leak repair, repiping, water heater and boiler replacement, gas fitting and drain clearing, pulled under the correct City of Cambridge permits and done with respect for your building and neighbors.
Based in Millbury, MA, we cover all of Cambridge and the surrounding towns. Don't see your street? Call +1 (774) 486-0909 and ask.
Yes. We work in single-families, condos, two-families and multi-family buildings across Cambridge, coordinating access and pulling the right City of Cambridge permits.
Always. Plumbing and gas work in Cambridge is permitted through the city's Inspectional Services Department and inspected — we handle the paperwork so it passes.
We cover Cambridge regularly — call ahead to schedule, and for burst pipes, no heat or no hot water we answer 24/7 at +1 (774) 486-0909.
Yes. Much of North Cambridge and Cambridgeport still runs galvanized supply lines and cast-iron drains — repiping and drain replacement in triple-deckers and two-families is routine.
Yes. We install and replace tank and tankless water heaters and boilers across Harvard Square, Central Square, Porter Square and East Cambridge, permitted and inspected.
From our shop in Millbury, MA we serve Cambridge 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.
