Emerson Mechanical Contractor LLC

Emerson Mechanical Contractor is a Billerica plumbing and HVAC outfit built around one thing above all else: showing up fast when something breaks. Emerson Dos Santos holds an active, state-verified Massachusetts plumbing license, and the company is a Massachusetts-certified Minority Business Enterprise through November 2028. Across 72 Google reviews — 36 of them in just the last six months — the same story repeats without a single documented complaint: a water heater that died during a snowstorm, a pipe that burst from the cold, a backed-up toilet, an ejector-pump failure discovered on a Saturday, and Emerson or his crew there same day or within hours. One reviewer described him leaving his own son's birthday party at 7pm on a Saturday to check a dead water heater; another, a self-described electrician of 25 years, singled him out as a trustworthy fellow tradesman. A condo association manager who deals with many vendors called him her favorite after he fixed a cold-weather pipe burst and came back for more work. Several customers describe hiring him repeatedly — one calls him a four-year go-to plumber, another was already on a second job within a few months, and one reviewer, fixing a 100-year-old bathtub's leak into the kitchen below, praised the crew for careful, clean work on old plumbing. The work runs past routine plumbing: reviews describe him servicing central air conditioners, diagnosing AC condensers, cleaning dryer vents, and — as a master gas fitter — running gas piping and an AGS system installation for a mobile food trailer. Pricing comes up often and consistently as fair, with more than one review specifically noting no hidden fees and no upselling, a detail that stands out given how many reviewers say they compared several contractors first. A strong pick for both routine plumbing and after-hours emergencies — no heat, active leaks, burst pipes — where reviewers keep pointing to the same thing: he actually answers, and actually shows up.