Plumber in Chelmsford, MA
You Are Not Short of Options in This Town
- Permit, inspection, and haul-away included.
- Booties on, floors covered, every visit.
- Emergency help, around the clock.
What's Worth Comparing
Three Things to Check on Any Chelmsford Quote
Who pulls the permit, and is it in the price.
Whether the warranty covers labor.
What happens to the price if the job changes.
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
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.
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.
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.
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
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
- Chelmsford Centre, North Chelmsford, West Chelmsford and South Chelmsford. Both ZIP codes, from the Centre out along the Route 110 and 129 corridor and up to Vinal Square. If you're inside the town line, you're inside our area.
Emergency Plumber in Chelmsford
24 Hour and Same Day Calls
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
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?
Does it matter that we're in North Chelmsford?
Do you charge more to come to Chelmsford?
Do I need a permit for a water heater in Chelmsford?
Will you work on a steam boiler?
The Clean House Promise
The One Thing You Can Actually Compare
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 …
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 …
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!
March 2026
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.”
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…”
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!!
October 2025
Ricky was Fantastic!!!! Fast and accurate service!!! Highly recommend!!!
March 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!
March 2026
April 2026
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 …
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 …
August 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…”
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.”
May 2026
Ricky was Fantastic!!!! Fast and accurate service!!! Highly recommend!!!
March 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!!
October 2025
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
You think something’s leaking
Your boiler needs looking at
It’s about to get cold
You think something’s leaking
Your boiler needs looking at
Your water heater is making you nervous