Nicholson Plumbing, Electrical, Heating, and Air Conditioning
Plumber · Marlborough, MA · Open 24 hours per Google listing
Our verdict
4.8★ on 3,045 reviews — large multi-trade operation; all 5 analyzed reviews are 5-star covering water heater, faucets, emergency drain, and furnace; Jimmy and Oliver specifically praised for thoroughness and follow-up.
Scores are our editorial reading of published customer reviews — not a verification, license check, or guarantee.
Ranked #1 of 15 plumbers we've reviewed in Somerville, MA · compare all →
Our opinion, based on the 5 reviews we analyzed from Google, Yelp and BBB · Analysis updated Jun 2026 · How we decide ↗
Lists 24-hour service on its Google profile — and reviewers describe after-hours calls.
Only 5 reviews analyzed — treat this assessment as a first impression, not a track record.
What reviewers praise
Emergency clogged drain dispatched quickly; Oliver answered additional homeowner concerns beyond the original job scope without being asked
1 cited review
“When we had an emergency clogged kitchen drain, they were quick to send someone out. Oliver was outstanding — knowledgeable, honest, and hardworking. He took the time to answer all of our questions and addressed other areas of concern we had around the house.”
Multi-trade capability (plumbing + HVAC + electrical) confirmed across 5 reviews — furnace zoning corrected on same job as plumbing; notified client before plumber departed so they could prep
1 cited review
“They notified me when the plumber was leaving so I had time to clean out under my sinks. Jimmy did an outstanding job — neat, professional, explained everything clearly, and was great with my dogs.”
Cited in 2 of the 5 reviews we analyzed — 1 cited review not excerpted here.
workmanship=2 in 5 analyzed reviews; Nicholas handled unexpected cracked PVC trap mid-job without disrupting scope or price
1 cited review
“The job itself turned out to be more involved than expected due to a cracked PVC trap behind the old strainer, but Nicholas handled the situation expertly. He and his team carefully cut out the dam... He made sure I understood the scope of work and confirmed the pricing before getting started.”
What reviewers report — the concerns
We looked for patterns of complaints in the 5reviews we analyzed and didn't find any. That's rare — but it's a reading of published reviews, not a guarantee.
The evidence — in reviewers' own words
Positive
“Jimmy did an excellent job replacing our water heater after it started leaking. He was patient, explained everything clearly, and was very professional. This is my second major service with Nicholson (previously replaced boiler) and am happy once again.”
“This was my first time using Nicholson. We had 3 new faucets to be installed. The customer service was excellent. They notified me when the plumber was leaving so I had time to clean out under my sinks. Jimmy did an outstanding job--neat, professional, explained everything clearly, and was great with my dogs. He found that the shutoff to the hot water in one bathroom was broken and offered me options. I highly …”
Quotes are reproduced verbatim from public reviews on the platforms shown; we select which to feature, and selection reflects our editorial judgment. Report a quote that doesn't match its source ↗
The rating picture
Small sample — we've analyzed only 5 of 3,045 reviews so far. Treat this as a first read.
Newest review in our sample: Jan 2026.
Should you hire Nicholson Plumbing, Electrical, Heating, and Air Conditioning?
Best for
- Emergency and same-day calls
Hire if
- You need a plumber who actually shows up when scheduled
- You need high-quality work that holds up over time
Think twice if
- You need rock-bottom prices with zero flexibility on the quote
- You need guaranteed sub-hour response for true emergencies
Advice derived from the review analysis above — how we decide.
Own Nicholson Plumbing, Electrical, Heating, and Air Conditioning?
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Nearby: Norfolk · Bellingham · Somerville