We Leave Our Customers Smiling
Ready for 5-Star Level Service?
Open up a wall in a 1920s Newton Centre or West Newton house and you’ll usually find a mix. There are original galvanized supply lines, cast-iron drains, and a boiler or tank heater that’s been patched a few times. About half of Newton’s homes were built before 1939, so that’s normal here.
A simple plumbing repair in Newton can turn into a bigger question fast. After a visit from a Dempsey Energy plumber, you know which pieces are fine, which are borderline, and which are running on borrowed time. You get options, not one big number.
A Home Comfort Advisor explains what’s worth fixing now and what can wait, and nothing extra gets added without your say-so. Newton requires a city plumbing permit with the contractor’s license and insurance paperwork on file. Our licensed plumbers handle that step for residential plumbing in Newton, from a water heater swap to a new vanity.
When the person fixing your pipes also understands boilers, you’re not coordinating two companies for one basement. In a city where older heating systems are still common, that saves real time.
Dempsey Energy is a family-owned company that started out delivering heating oil and has been at it for over 30 years. That history is why we’re comfortable in the basements of Newton homes: boilers, old tanks, and pipe that’s been added to over the decades.
We’re based in southeastern Massachusetts and serve Newton and Greater Boston. We’d rather earn your trust with specifics than pretend to be the shop down the street. Those specifics include how Newton handles permits, what pre-war houses tend to hide, and how a Waban colonial differs from a two-family in Nonantum.
Our plumbers are licensed in Massachusetts, and you’re welcome to ask for the license number. In Newton it has to be on file with the city before a permit is issued, so it’s a fair thing to check on anyone you hire.
It starts with a call, and it can be any hour. Dempsey Energy takes emergency plumber calls in Newton around the clock. If water is running where it shouldn’t, shut off the main first, then call. If the problem can wait, we’ll set a regular visit.
A Home Comfort Advisor comes out, finds the cause, and walks you through it in plain language: what failed, what your options are, and what each one means. Nothing starts until you’ve said yes. In an older Newton house, that conversation often includes the boiler or water heater sitting next to the problem, since we can look at both.
If the work needs a permit, we file it through Newton’s online permitting portal with the Inspectional Services Department. The city asks for a copy of the license and insurance certificates, and every permit ends with a final inspection that the licensed plumber schedules. You don’t deal with any of it.
Fall is a good window to have shut-offs, exposed pipe, and water heaters checked before nor’easters and the December-to-March freeze. After the work is done, you get a clean job site and a quick explanation of what changed. You can also set up plumbing maintenance services in Newton if you’d like regular checkups.
Ready to get started?
Our plumbing covers what Newton houses actually throw at you. That means leak and pipe repair or replacement, drain cleaning, toilets, faucets and showers, garbage disposals, water heaters including tankless, sump pumps, gas lines, water softeners and treatment, and dishwasher installation. Because the same company handles heating, a plumbing repair doesn’t stop at the edge of the boiler room.
Where you live in Newton shapes what’s worth looking at. If you’re near the Charles River in Upper or Lower Falls, or close to Cheesecake Brook, it’s worth confirming your sump pump works during heavy rain and snowmelt. In Waban and Newton Centre, larger historic homes often call for careful work around finished space. In Newtonville, West Newton, and Nonantum, condos and two- and three-family buildings mean shared lines, tenants, and a real need for clear estimates.
For ongoing care, the Dempsey Comfort Club is our maintenance membership. It includes scheduled maintenance, annual tune-ups, priority scheduling, and discounts on service calls. Ask what applies to plumbing maintenance services in Newton when you call.
Almost certainly, yes. In Massachusetts, plumbing work generally needs a permit from the local plumbing inspector. In Newton that runs through the Inspectional Services Department at City Hall, 1000 Commonwealth Avenue. Permits are filed online through the city’s portal, and gas connections fall under a gas permit.
The paperwork asks for a copy of the contractor’s license and proof of liability and workers’ comp insurance, with the City of Newton listed as certificate holder. Every permit needs a final inspection, and the person who pulled the permit schedules it. That’s why the licensed plumber, not the homeowner, normally handles it.
It’s also worth knowing that insurers can push back on claims tied to unlicensed work. Our licensed plumbers handle the permit and inspection for plumbing installation in Newton, so you don’t have to chase City Hall.
We can’t give you a number without seeing the job, and we’d be wary of anyone who does. For context, Angi’s 2026 figures put plumbers at $45 to $200 an hour, with about $125 as a common midpoint. Most Boston-area jobs land between $198 and $537. Those are third-party ranges, not our prices.
Emergency work usually runs 1.5 to 3 times the normal rate, because you’re paying for crews who are on call at night and on holidays. Angi’s Boston-area emergency range is $300 to $1,650. If the water is off and nothing is actively damaging the house, a scheduled visit the next day often costs less.
Older Newton homes can also add time. Pre-war houses sometimes need workarounds to reach a pipe or valve. Ask for the cause and your options before any work begins.
Shut off the main water valve first. In most older Newton houses it’s in the basement near where the line comes in, and it’s worth finding before you ever need it. Then turn off the water heater, open a faucet or two on the lowest floor to drain the lines, and move anything valuable out of the way. Take photos for your insurance company before cleanup.
Then call an emergency plumber in Newton. Looking for a plumber near you at 2 a.m.? The shut-off already did most of the protecting, so you can call calmly.
On insurance, the Massachusetts Division of Insurance reports that 48.6% of homeowners’ claims in 2024 were non-flood water or freezing losses. Most policies cover sudden and accidental burst-pipe damage only if the home was properly heated and occupied. Frozen pipes are most common from December through March, so keep the heat on when you travel and open cabinet doors under sinks during cold snaps.
It comes down to three things: how old it is, how often it has failed, and what the repair costs compared with the life it has left. One repair on a unit that’s otherwise running fine usually makes sense. A third repair in two years usually doesn’t.
In a pre-war Newton basement, look at the pair together. Many have an older boiler feeding an indirect or tank water heater, so replacing one can change what the other needs. A tech who works on both can tell you whether the heater is the weak link or the boiler is the one about to go.
If you’re weighing an oil-to-heat-pump switch, which is popular in Newton, water heating becomes part of that decision. Our Home Comfort Advisors lay out repair and replacement options with the tradeoffs, and our Mass Save and heat pump experience helps the numbers make sense. You choose.
Newton says its water and city mains are lead-free, so the question is the private pipe running from the main to your house. In October 2024 the city finished an inventory of roughly 24,000 private service lines and mailed letters to properties whose records show a lead or galvanized line. Check your mail first, because that letter is the quickest answer.
You can also look yourself. Find where the water line enters your basement, near the meter and main shut-off, and see what the pipe is made of. A plumber can confirm the material and explain what a city letter means for your house.
If you do have a lead or galvanized line, the MWRA’s lead service line program offers zero-interest loans to help with replacement. We’ll tell you what we see and what your options are.
Newton is a premium market, and most homeowners here care more about understanding the work than about a coupon. So we won’t lead with a number. We do run limited-time offers from time to time, and the terms change, so ask what’s current when you book.
The longer-term option is the Dempsey Comfort Club, our maintenance membership. It includes scheduled maintenance, annual tune-ups, priority scheduling, and discounts on service calls. Many Newton houses stay in a family for decades, and the boiler, water heater, and shut-offs in them get older along with the owners. Regular checkups are usually a calmer way to run an older house than waiting for something to fail.
Other Services we provide in Newton