Customer reviews
What Long Island Customers Say
Rated 4.9★ across 20 Google reviews from homeowners and businesses across Long Island.
Reviews are earned one job at a time. Since 2019, Long Island homeowners and businesses have rated Hydrosphere Corp 4.9★ across 20 Google reviews — for honest diagnosis, clear pricing, and work that holds. The comments below reflect the same approach we bring to every call: stop the problem, explain the options in plain English, and stand behind the result.
“Woke up to no hot water and they had a new heater in by the afternoon. Clear pricing, no upsell, cleaned up after. Exactly what you want.”
“Our basement flooded during a storm and they walked me through shutting the water off on the phone, then showed up fast. Professional and calm the whole time.”
“Recurring drain clog that two other plumbers just kept snaking. Hydrosphere cameraed the line, found the real problem, and fixed it. Finally done.”
“Honest about repair vs. replace on our old boiler. They fixed it instead of selling us a new one, and it’s run great all winter.”
“Handle the backflow testing for our office every year. Reliable, on schedule, and the paperwork is always right. Highly recommend for commercial.”
“Found a hidden leak that had been driving up our water bill for months — without tearing the house apart. Precise and reasonable.”
4.9★ Rated
20 Google reviews
Licensed & Insured
Plumbing & Heating
24/7 Emergency
Fast response
Locally Owned
Serving Long Island since 2019
The themes we hear most
What Long Island Customers Value
Across the reviews, the same few things come up again and again — and they're exactly what we set out to do on every job.
Fast when it counts
Emergency calls answered around the clock, with real response times across Long Island.
Honest pricing
A written scope before the work — repair-versus-replace explained, no surprise line items.
The right diagnosis
Camera inspections and leak detection so the actual problem gets fixed, not just the symptom.
Clean, lasting work
Licensed and insured, tidy on site, and standing behind the result.
Had us out for a job? We’d be grateful if you’d leave a review on Google — it helps other Long Island homeowners find a plumber they can trust.
Ready to join our happy customers?
Emergency or planned, call for fast local service across Long Island — or request a free written quote.