Plumber in Concord, MA

Houses Older Than the Country They're In

Concord was incorporated in September 1635, which makes it the oldest town we cover by a wide margin. There are houses here on the National Register that were standing in the 1690s, and people live in them. None of them were built with plumbing or central heating, so everything in them was added later by somebody working around what was already there. That’s the job in this town. Opus covers 01742 out of North Billerica under a Massachusetts master plumber licence.

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Everything Here Was Retrofitted

What Centuries of Additions Do to a System

No original design to work back to.

A house from 1740 got plumbing in maybe 1900, heating after that, and both have been altered several times since. There’s no logic to recover, only what previous trades decided on the day.

Almost everything runs on water, not air.

Radiators and baseboard, hot water and some steam. Concord is a boiler town, and a plumber here is a boiler plumber whether he planned on it or not.

Access is the constraint.

Narrow stairs, low cellars, finished rooms above, and in the historic districts a set of external considerations that don’t apply three towns over. Working out the route in is half the quote.

SUBMIT A FORM & REACH OUT

What We Get Called For in Concord

Plumbing and Heating Services Across the Town

Keeping an old system running

Boiler service and repair here means annual service, no-heat calls and cold zones on equipment fitted into a building that was never designed to hold it.

Boiler replacement

Boiler replacement gets sized on what the house needs now rather than what it needed when the last one went in, and in a building insulated and re-glazed since, that is often a smaller unit than the one coming out.

Water heaters

Gas and electric, repair and replacement. Water heater installation in a house from the 1700s usually means a low cellar ceiling and a bulkhead for a door, which changes the day more than the unit does.

Leaks and original piping

Leak detection traces water back before anything opens up, which counts for more in a house with plaster and lath somebody would rather not see cut into.

What the Town's Own Water Report Says

Hardness, Scale and What It Means for Your Tank

There’s a common assumption that Concord’s water is soft. The town’s own figures say otherwise, and it’s worth knowing which is true before you decide whether to bother flushing a water heater.

Concord's 2023 source water quality report puts average hardness at 80 parts per million, or 4.7 grains per gallon.

On the standard scale that’s moderately hard. Not extreme, but not soft either, and firmly in the range where scale accumulates in a tank heater over a decade.

Which means the usual advice applies here.

Sediment settles in the bottom of the tank, the anode rod wears through earlier than the rating suggests, and an annual flush is worth doing. On a tankless unit, the manufacturers’ annual descaling interval applies the same way it does elsewhere on our map.

What we won't do is pretend the water is worse than it is.

Nobody in this town needs a softener sold to them on the strength of a number that’s middling. If descaling once a year covers it, that’s what we’ll tell you.

Where We Cover

Concord, 01742

Emergency Plumber in Concord

24 Hour and Same Day Calls

A person answers around the clock, not a machine.

Call now for water you can’t stop, sewage backing up, or no heat in freezing weather. A house that has stood here since the 1700s will survive a cold night. The pipe somebody ran through its outside wall two centuries later might not. Shut your main valve first. 24/7 emergency plumbing is answered by a person who can tell you what to shut off while you wait.

It can wait if it’s a dripping faucet, one slow drain or a running toilet, and we’ll say so rather than take the night booking.

Nearby Towns

Where Else We Work

Lexington

East along Route 2A, where a plumber in Lexington sizes boilers around walls of glass, which is roughly the opposite problem to the one Concord sets.

Bedford

North-east, made in 1729 out of land that had been Concord’s, where a plumber in Bedford works housing a good deal newer than the parent town.

Carlisle

North, and a district of Concord until 1805, where a plumber in Carlisle answers to a Board of Health with stricter well and septic rules than the state’s.

Concord borders four of the fourteen towns in our service areas, and three of them were made out of land that used to be Concord’s.

Questions From Concord Homeowners

Local Answers

Is Concord's water soft enough to skip flushing the water heater?

No. The town’s 2023 report puts it at 4.7 grains per gallon, which is moderately hard. That’s enough to build sediment in a tank over the years and enough to want a tankless unit descaled annually. It’s not extreme, but it isn’t nothing.

Our house is from the 1700s. Will you work on it?

Yes, and it’s a good deal of what we do here. The thing to understand is that nothing in a house that age was designed around plumbing, so the job is always partly about the route in and what previous trades left behind. We look properly before quoting rather than pricing off a photograph.

Do we need a softener?

Probably not on town water at this hardness. Annual flushing generally handles it, and a softener is real equipment with real ongoing cost. If you’re on a private well the answer can differ, and we’ll say so rather than sell you one either way.

Do you charge more to come to Concord?

No. The flat written price is the same in every town we cover, and the driving is inside it rather than added as a trip charge.

Do I need a permit for a boiler in Concord?

Yes, and only a licensed plumber can pull it. The town inspects afterwards and you should end up holding a signed card. Ours is priced into the quote rather than billed separately.

The Boiler Standard

Boiler Work Is the Job We Take First

A lot of crews would rather pull your boiler out and sell you a new one than actually work on it, and plenty won’t touch steam at all. In a town where almost every house runs on water rather than air, that narrows your options considerably. Boilers are our first call, not our last. Rick services, repairs and replaces them himself, steam systems included, and when yours still has years left in it you’ll hear that instead of a quote. He spent close to 20 years on New England systems, most of it union, working the same houses these boilers are sitting in today.

Our Customer Feedback

Rick Green did an awesome job with all of my plumbing needs during a total renovation. I needed everything in my home connected/redone in the kitchen and bathroom. He took care of the transition from bathtub to standing shower-it’s all …

Janet Vasquez

July 2026

Ricky and the team at OPUS are fantastic! Super knowledgeable, punctual and all around great group of guys. Really grateful to have found them, I sleep easier now knowing I have a great plumbing team (you genuinely never know when you may …

Christopher

August 2026

I highly recommend (Rick) he was on time fixed everything, was polite and answered all our questions and cleaned up everything when he was done! Thank you so much!

Robert Welch

March 2026

Great service! Very responsive. Always on time and gets the job done quickly. Already have them booked for my next project.

carolina

April 2026

“Been using Opus for years on a variety of projects. Reliable, transparent and priced well. Rick does great quality work. Highly recommend for homeowners, investors and builders.”

Signature Page

May 2026

“Had a leak in my water heater tank. Ricky and team arrived very quickly, same day to assess the situation. I asked if we could avoid swapping out the water heater and just buy the parts needed to fix (I was being cheap!) – he did he absolute best (a few hours) trying to extract the old part and replace it with a new one. He tried far longer than any other plumber would have tried. After several hours of attempts we all came to the conclusion that it simply wasn’t coming out. I ran to Home Depot (it was Saturday) and grabbed a water heater. Ricky and team had it installed within 15 minutes and my new unit is working perfectly.

Very impressed with Ricky’s transparency and honesty. Most others wouldnt have given me the time of day…”

Dan Doherty

April 2026

I contacted Opus upon being referred to them by someone they also did great work for. They showed up on time and finished a heating system job for me with the utmost professionalism and quality. I would definitely recommend them to others!!

Brian Sullivan

October 2025

Ricky was Fantastic!!!! Fast and accurate service!!! Highly recommend!!!

Sandra Best

March 2026

The Towns We Cover Across Middlesex County

Opus runs out of North Billerica and covers roughly a 20-mile radius, from the older neighborhoods of Woburn and Winchester to the affluent, boiler-heavy homes in Concord, Carlisle, and Lincoln. If your home is within about 20 miles, we most likely cover you.

Tips for Keeping Your Water Hot and Your Basement Dry

It’s about to get cold

October 22, 2026

Which pipes freeze first, what to do in October so they don’t, and what to do at two in the morning if one already has. Frozen and burst pipes covers all of it.

You think something’s leaking

October 22, 2026

Stains, a meter still ticking with every tap shut off, a warm patch of floor. Leak detection finds where the water is actually coming from before anybody opens a wall.

Your boiler needs looking at

October 22, 2026

How often hot water and steam systems want servicing, what the annual visit includes, and which noises are worth calling about. Boiler service and repair answers all three.

It’s about to get cold

October 22, 2026

Which pipes freeze first, what to do in October so they don’t, and what to do at two in the morning if one already has. Frozen and burst pipes covers all of it.

You think something’s leaking

October 22, 2026

Stains, a meter still ticking with every tap shut off, a warm patch of floor. Leak detection finds where the water is actually coming from before anybody opens a wall.

Your boiler needs looking at

October 22, 2026

How often hot water and steam systems want servicing, what the annual visit includes, and which noises are worth calling about. Boiler service and repair answers all three.

Your water heater is making you nervous

October 22, 2026

Age, rusty water, a puddle, or hot water that runs out sooner than it used to. Four signs that point the same way, and water heater installation is what comes next.

Tankless Error Codes

October 15, 2026

Learn what common error codes mean and when descaling can help.

Tank vs. Tankless

October 15, 2026

Compare water heaters to find the right fit for your home and budget.