Plumber in Chelmsford, MA

You Are Not Short of Options in This Town

Chelmsford is the biggest town we cover and the one with the most plumbers already working in it. We’re not going to pretend otherwise. What we’ll do instead is tell you what’s actually worth comparing when you’re picking between quotes, then say plainly what we do and where we stop. Opus covers both 01824 and 01863 out of North Billerica, next door, under a Massachusetts master plumber licence.

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Request Ticket

How Can We Help?

What job should we look at?

Customer Info

Who is this for?

Full name

Only used to confirm your request.

Customer Info

Your email

Only used to confirm your request.

Customer Info

Your phone or mobile number

Phone

Only used to confirm your request.

Visit Details

Where should the team go?

Address

Final Note

Anything we should know?

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What's Worth Comparing

Three Things to Check on Any Chelmsford Quote

Who pulls the permit, and is it in the price.

For a water heater, a boiler or any gas work the answer should be immediate and it should be the plumbing company. A quote that’s cheaper because the permit isn’t in it isn’t cheaper. Ask to be handed the signed inspection card when the job closes.

Whether the warranty covers labor.

Plenty of companies warranty the part and leave out the labor, which is the expensive half. Ask for both, in writing, with a term attached. Ours runs a full year on labor and materials.

What happens to the price if the job changes.

Get that answer before anyone starts. Ours is that we stop, give you a new number, and nothing else happens until you say go.

Run those three on us and on everyone else you’re calling. In a town with this many options the answers sort the companies quicker than reviews do, because a company either has them ready or it doesn’t.

SUBMIT A FORM & REACH OUT

What We Get Called For in Chelmsford

Plumbing and Heating Services Across the Town

Water heaters

Gas and electric, repair and replacement. Water heater installation has the permit, the inspection and the haul-away inside the quoted number, which is the first of those three questions already answered.

Boilers

Service, repair and replacement, hot water and steam. Boiler replacement gets sized from the house rather than from the old plate, and we’ll show you that working if you want to hold it against another quote.

Drains

Interior lines and floor drains. Drain cleaning brings a camera once the same drain has gone twice, because the second visit should answer why rather than just clear it again.

Leaks and fixtures

Toilets, faucets, disposals and spigots. Leak detection traces hidden water before a wall comes open, and you’ll know the size of that opening before anyone starts cutting.

Two Water Districts, One Town

Why North Chelmsford Is Not the Same Job

This is the part of Chelmsford most people outside the town don’t know about.

North Chelmsford runs its own water district, separate from the rest of Chelmsford, along with its own ZIP code at 01863, its own library and its own fire station. The supply coming into a house off Vinal Square is not necessarily the same supply arriving in Chelmsford Centre.

That matters for equipment. Supply pressure and water chemistry are what decide how fast a tank heater scales up, how often a tankless unit wants descaling, and whether a pressure reducing valve is doing anything useful. Two houses of the same age in the same town can be on different clocks.

So we ask which side you’re on. It’s a ten-second question at the point of booking and it changes what goes on the van.

Neighborhoods We Cover

Chelmsford, 01824 and 01863

Emergency Plumber in Chelmsford

24 Hour and Same Day Calls

A person answers around the clock, not a machine, and Chelmsford borders Billerica so it’s one of the quickest towns we reach.

Call now for water you can’t stop, sewage backing up, or no heat in freezing weather. Shut your main valve first, then tell us whether you’re in North Chelmsford or the rest of town. The two run on separate water districts, so it changes what we expect to find at the street before we set off. 24/7 emergency plumbing is answered around the clock at the same written price as any weekday.

It can wait if it’s a dripping faucet, one slow drain or a running toilet. Daytime is the cheaper version of the same repair and we’ll tell you which list you’re on rather than take the night booking.

Nearby Towns

Where Else We Work

Tewksbury

East, where a plumber in Tewksbury finds the south end wet enough that the town passed its own Wetlands Bylaw, and the uplands drained perfectly well.

Westford

West, and West Chelmsford until it split away in 1729, where a plumber in Westford works five villages that got their water mains a generation apart.

Carlisle

South, and the smallest town we cover, set against Chelmsford’s largest, where a plumber in Carlisle serves five thousand people spread over fifteen square miles.

Chelmsford is the largest town in our service areas and shares a line with Billerica, which makes it one of the shortest runs we make.

Questions From Chelmsford Homeowners

Local Answers

Why should we use you when there are plenty of plumbers here?

Honestly, sometimes you shouldn’t. If a company you’ve used for years is doing right by you, stay with them. Where we’re worth a call is boilers and steam, water heaters, and anything where you want one flat written price rather than a technician working through options on a tablet.

Does it matter that we're in North Chelmsford?

For where we drive, no. For what we bring, sometimes. North Chelmsford has its own water district, so supply can differ from the rest of town, and that affects scaling and pressure. We’ll ask when you book.

Do you charge more to come to Chelmsford?

No. Chelmsford borders Billerica and it’s about the shortest run we make, but the flat written price would be the same wherever you were.

Do I need a permit for a water heater in Chelmsford?

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, and an unpermitted install tends to surface during a sale.

Will you work on a steam boiler?

Yes, one pipe and two pipe both. A lot of companies decline, which is one of the more reliable reasons people call us from a town that isn’t short of plumbers.

The Clean House Promise

The One Thing You Can Actually Compare

You can’t judge a plumber’s pipework from the top of the cellar stairs, and in a town with this many to choose from that’s a real problem. What you can judge is the state of the house afterwards. Booties go on at the door, every visit, including the ten-minute ones. Drop cloths go down before anything comes apart, along the route as well as under the work. Your old boiler or water heater leaves in our truck rather than sitting on the curb. Before we pack up, the floor where we stood gets wiped. When we pull out, you should be able to tell what we fixed and nothing else, and that’s a standard you can check without knowing a thing about plumbing.

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.