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Nassau · Same-Day Service · Booking Now
Licensed plumbers serving Nassau since 2006, with same-day service Monday through Friday across the Village of Nassau, East Nassau, Nassau Lake, and the surrounding Rensselaer County hamlets. Call (518) 482-4205.
Local plumbing, done right
Nassau is old housing on older infrastructure, and that shapes nearly every plumbing call we get out here. About a third of the homes in town — 34% — were built in 1939 or earlier, and roughly half predate 1960, with the median home dating to 1961. That puts a lot of century-old supply piping in the walls of the Village of Nassau, the hamlets like Hoags Corners, Alps, and Brainard, and the lake communities at Nassau Lake and Burden Lake. In homes that age, galvanized-steel supply lines are common, and the State’s own service-line inventory for Nassau actually turned up galvanized pipe on the customer side of more than a dozen properties. When galvanized rusts shut from the inside you get the familiar symptoms — brown water, weak pressure upstairs, and pinhole leaks that keep coming back — and the fix is a whole-home repipe in PEX or copper, not another patch.
The water itself is part of the story here. The Village of Nassau is served by two drilled wells on John Street pumping the aquifer under the village, and that supply runs slightly acidic — the village’s water-quality report lists a pH of 6.6. Acidic water is corrosive to copper and galvanized pipe, which is exactly why the report shows copper leaching from interior plumbing and lead detected at one of ten home taps tested, traced to internal fixtures and solder rather than the city mains. There are zero lead service lines in Nassau — the State inventory confirmed every line is non-lead — so this is an interior-plumbing issue: inspecting older fixtures and solder joints and adding point-of-use filtration where it makes sense, not a municipal lead-line replacement program.
Outside the village, most of the Town of Nassau is on private drilled wells, so a big share of our work here is well-side: pumps, pressure tanks, and whole-home treatment. We also handle the everyday plumbing that keeps these homes running — water heaters, fixture replacements, and gas-line work, which in Nassau means propane and oil, not natural gas, since fewer than 2% of homes in town are on a natural-gas main. We’ve been doing this work in the Capital Region since 2006, we pull the permits the work requires, and we offer financing through Acorn Finance on the bigger jobs.
What we handle
Every service below links to the full page for that job. We keep one canonical page per service rather than a thin copy for each city, so you get the real detail.
Water Heater
Repair
Installation
Tankless Water Heater
Repair
Installation
Repiping & Water Lines
Repiping
Water Line Repair
Emergency Plumbing
24/7 Emergency Plumber

Where we serve
We dispatch to Nassau from our shop in Nassau on US-20. Real address, real phone, no fake storefront. Nassau is our licensed home base. Nassau is part of our service area, dispatched same-day across the surrounding Capital Region.
Recent work · Nassau neighbors
Representative work in the Nassau neighborhoods we serve. Photos and exact addresses are added as our Nassau clients approve them.

Whole-home repipe in PEX for a pre-1940 home in the Village of Nassau — corroded galvanized supply lines were running brown and choking pressure on the second floor. We replaced the supply runs, pressure-tested the system, and added an acid-neutralizer to raise the pH of the slightly acidic village well water and protect the new piping.

Interior lead and copper assessment for an older home off Hoags Corners after the homeowner saw the village water report — we inspected the original fixtures and solder joints, replaced a leaching shutoff and a section of legacy supply line, and fit a point-of-use filter at the kitchen tap. No lead service line was present, consistent with the State inventory for Nassau.

Private-well treatment build-out on a rural parcel out near Brainard off the gas grid — installed a softener and an iron-and-manganese filter plus a neutralizer to clear staining and odor from the drilled-well water, and replaced the household water heater in the same visit.

Chased down rapid well-pump cycling at a home on the east side of Nassau Lake, where the pump was kicking on and off every few seconds and hammering the plumbing. The captive-air pressure tank had lost its air charge and waterlogged, so we replaced the tank, reset the pressure switch to the pump's cut-in and cut-out range, and checked the foot valve so the system now holds steady pressure between draws.
From a quick repair to a full replacement, book online or call. We answer Monday through Friday and dispatch same-day across Nassau.
Real Nassau neighbors



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Tell us where and what is going on. A real ESP dispatcher confirms your same-day or next-available window across Nassau, usually within minutes.
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Good to know
Almost certainly not. The State’s Lead Service Line Inventory for Nassau came back 100% non-lead — there are zero lead service lines in town. Where lead can show up in Nassau is inside the home, on older fixtures and solder joints, because the slightly acidic village water (pH 6.6) is corrosive enough that lead was detected at one of ten home taps tested, traced to interior plumbing. So this is about inspecting your interior fixtures and adding point-of-use filtration where it helps, not replacing a service line. We’ll check your interior plumbing and tell you exactly where you stand.
Not without testing first. The Village of Nassau’s water-quality report doesn’t publish a hardness number, so there’s no basis to sell you a softener on the village supply. The real, measurable issue with the village wells is that the water is slightly acidic at pH 6.6, which corrodes copper and galvanized pipe — the right fix there is usually an acid-neutralizer to raise the pH, not a softener. It’s a different story on the private wells out in the town, where iron, manganese, sulfur, and genuine hardness are common and treatment sized to your well earns its keep. We field-test before recommending anything.
That’s the classic sign of corroded galvanized supply pipe, which is common in the roughly one-third of Nassau homes built before 1940 — the State’s own inventory confirmed galvanized supply piping is present in the older stock here. Once galvanized lines rust shut from the inside, patching one spot just moves the next leak down the line, and Nassau’s slightly acidic well water speeds the corrosion along. A whole-home repipe in PEX or copper restores clean, full-pressure water for good, and we pair it with an acid-neutralizer to protect the new lines.
Yes, that short-cycling is a common well-plumbing issue out here and it’s usually a waterlogged pressure tank that has lost its air charge, though a worn pressure switch or a small leak on the pressure side can cause it too. It’s worth addressing sooner than later, because a pump cycling every few seconds wears out fast. We diagnose the actual cause before replacing anything, so you’re not buying a tank you didn’t need.
We do. Homes near Nassau Lake and the lower-lying parts of town can take on water during spring runoff and heavy storms, so a working sump pump matters here. We’ll replace a failed pump, set up a proper pit and discharge line, and if you’ve had past flooding we can talk through a battery backup so the pump still runs during the power outages that tend to come with those same storms.
Across the area
We also serve the nearby Rensselaer County communities, including East Nassau, Nassau Lake, and Hoags Corners, where many homes run on private wells.