Ostroski Plumbing & Heating Inc.

Ostroski Plumbing & Heating is a North Billerica outfit built around the call-now jobs — a burst pipe, a water heater that dies overnight, a boiler that won't fire in January. The company says it's been serving Billerica, Andover, and the surrounding Middlesex County towns since 2008, with Greg as owner and Steve on staff; its Massachusetts plumbing license (4632-PL-C) is active on the state registry. The written record backs the speed up: 167 reviews on file since 2022 across Google and Thumbtack, holding 4.9 stars on both (239 ratings on Google, 43 on Thumbtack), with 22 more added in just the last six months and none of them negative. The same specifics repeat — technicians named individually (Rob, Nick, Stephen, Brent, with Tina answering the phone), arrival within the hour for emergencies, and the fix explained before and after. One 2026 review described a years-long steam-heat hammering problem that several other plumbers and HVAC companies had failed to diagnose; Greg's crew found and fixed the root cause. Another homeowner needed a tankless water heater installed on short notice and got it done the same day, after two other companies quoted an extra one to two thousand dollars. A 2025 Reddit commenter added that the owner hands out his personal cell number and answers by text, calling it a family business that went out of its way for a house with undisclosed issues. In an August 2024 r/boston Reddit thread, another poster called the company a smallish outfit that returns phone calls and does good work. The record isn't spotless — a single 2023 review described a crew swearing on the job, not protecting the floors, and speeding off afterward, a sharp outlier against everything else on file. For plumbing emergencies and heating work — water heaters, boilers, gas lines, ductless mini-splits — this is a company people keep calling back for; the 2023 complaint is the one thing worth keeping in mind if a crew's conduct on-site matters to you.