62/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 451 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 451 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 98 Adams St #113, Leominster, MA 01453
Best Plumbers in Harvard, MA (2026)
622 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Harvard: Roto-Rooter Plumbing & Water Cleanup, CR Score 62/100; 4.8★ from 451 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #2 of 622.
- 8
Most-reviewed: Papalia Home Services, 3,978 Google reviews at 4.9★, the most of 622 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
622 Harvard plumbers are ranked here by CR Score, from ten published factors. 212 are open 24/7, 335 open Saturdays and 257 open Sundays, based on posted hours. The median Google rating is 4.9★ across 622 rated businesses.
Top 10 plumbers in Harvard at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing & Water Cleanup | 62 | 4.8★ (451) | Leominster, 9 mi away | 24/7 | Overall |
| 2 | Roto-Rooter Plumbing & Water Cleanup | 62 | 4.8★ (1,228) | Worcester, 16 mi away | 24/7 | Emergencies |
| 3 | Eric C. Foster Plumbing Heating & Cooling Inc. | 62 | 4.9★ (619) | Chelmsford, 15 mi away | 24/7 | — |
| 4 | Monroe Home Solutions | 62 | 4.7★ (340) | Clinton, 7 mi away | 24/7 | — |
| 5 | Wind River Environmental of Acton, MA | 61 | 4.8★ (290) | Acton, 9 mi away | 24/7 | — |
| 6 | Roto-Rooter Plumbing & Water Cleanup | 61 | 4.8★ (1,146) | Lowell, 17 mi away | 24/7 | — |
| 7 | Wind River Environmental | 61 | 4.9★ (854) | Hudson, 19 mi away | 24/7 | — |
| 8 | Papalia Home Services | 61 | 4.9★ (3,978) | Acton, 4 mi away | 24/7 | Most reviews |
| 9 | Stake Plumbing and Heating | 60 | 5.0★ (182) | Holden, 14 mi away | 24/7 | — |
| 10 | John's Sewer & Drain Cleaning | 60 | 4.9★ (796) | Woburn, 22 mi away | 24/7 | — |
The 622 best plumbers in Harvard, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Worcester, 16 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 1,228 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,228 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1077 W Boylston St Unit 201, Worcester, MA 01606
Based in Chelmsford, 15 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 619 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 619 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 145 Stedman St, Chelmsford, MA 01824
Based in Clinton, 7 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.7★ from 340 Google reviews, listed on Google as “Plumber”.
- 4.7★ from 340 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 15 Eileen Ave, Clinton, MA 01510
Based in Acton, 9 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 290 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 290 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 54 Knox Trail, Acton, MA 01720
Based in Lowell, 17 mi away
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 1,146 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,146 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 97 Central St Suite 400, Lowell, MA 01852
Based in Hudson, 19 mi away
61/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 854 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 854 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Acton, 4 mi away
61/100CR ScoreRanked #8 because of its Google rating and review volume: 4.9★ from 3,978 Google reviews, the most in Harvard.
- 4.9★ from 3,978 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1220 Liberty Square Rd, Boxborough, MA 01719
Based in Holden, 14 mi away
60/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 182 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 182 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 145 Sewall St, Boylston, MA 01505
Based in Woburn, 22 mi away
60/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 796 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 796 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4 Breed Ave, Woburn, MA 01801
Based in Westford, 11 mi away
60/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 111 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 111 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 39 Lawson Rd, Westford, MA 01886
#12 CSB Plumbing Co.
Based in Andover, 8 mi away
60/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 80 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 80 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Pinehurst, 17 mi away
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 222 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 222 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Ashburnham, 10 mi away
60/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 92 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 92 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Clinton, 8 mi away
60/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 47 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 124 Walnut St, Clinton, MA 01510
Based in Chelmsford, 15 mi away
60/100CR ScoreRanked #16 because of its Google rating and review volume: 4.8★ from 2,927 Google reviews.
- 4.8★ from 2,927 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 131 Stedman St #6, Chelmsford, MA 01824
Based in Fitchburg, 13 mi away
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 108 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 108 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 129 Chestnut St, Pepperell, MA 01463
Based in Tewksbury, 20 mi away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 226 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 226 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1501 Main St #43, Tewksbury, MA 01876
Based in Clinton, 10 mi away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 52 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Burlington, 14 mi away
59/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 89 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 89 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Acton, 9 mi away
59/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 40 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Newton, 25 mi away
59/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 552 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 552 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 671 Saw Mill Brook Pkwy, Newton, MA 02459
#23 Epoch Plumbing
Based in Ashburnham, 10 mi away
59/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.6★ from 118 Google reviews, listed on Google as “Plumber”.
- 4.6★ from 118 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 66 John St, Lunenburg, MA 01462
Based in Leominster, 7 mi away
59/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 29 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 134 Main St suite 214, Groton, MA 01450
Based in Burlington, 19 mi away
59/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 142 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 142 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 111 Middlesex Turnpike #1103, Burlington, MA 01803
Plumbers ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 622 ranked plumbers here; the rest are on their profiles.
Also serving Harvard
20 more plumbers within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| A1 Plumbing Service | 5.0★ (2) | 13 mi |
| Akian Plumbing, Heating, Cooling & Electric | 4.8★ (1,625) | 21 mi |
| Bilodeau Plumbing | 5.0★ (2) | 11 mi |
| CHB Excavating, Inc. | 3.0★ (2) | 8 mi |
| David A. Longuemare Plumbing & Heating | 3.0★ (2) | 11 mi |
| David Favreau Construction & Septic Services | 5.0★ (2) | 10 mi |
| DeWolfe Plumbing, Heating & Cooling | 4.8★ (748) | 15 mi |
| Drainco | 4.5★ (2) | 13 mi |
| Emanuelson Plumbing & Heating | 5.0★ (2) | 8 mi |
| James Gardner Plumbing & Heating LLC | 5.0★ (2) | 12 mi |
| Jet Plumbing & Heating, Inc. | 5.0★ (2) | 7 mi |
| Mahoney Plumbing & Heating | 5.0★ (2) | 14 mi |
| Mark Kooyomjian Plumbing & Heating | 5.0★ (2) | 15 mi |
| Park Plumbing | 5.0★ (2) | 17 mi |
| Plumbing & Heating Ayer Massachusetts | 5.0★ (2) | 6 mi |
| Polomarenko Plumbing and Heating | 5.0★ (1) | In Harvard |
| RRC Plumbing and Heating | 5.0★ (2) | 14 mi |
| Ryan Plumbing Services Shirley MA | 4.5★ (14) | 7 mi |
| Sahlberg Plumbing & Heating | 5.0★ (2) | 7 mi |
| Tyngsboro Plumbing & Heating | 5.0★ (2) | 14 mi |
How much do plumbers cost in Harvard?
National price ranges in USD, not adjusted for Harvard. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Water heater replacement | $882 | $1,348 | $1,826 | Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
How to check a plumber's license in Massachusetts
In Massachusetts, Massachusetts Board of State Examiners of Plumbers and Gas Fitters licenses Plumbing work: water supply, drain, waste and vent piping and fixtures.
- Check that the status is active and the name matches the contract or truck.
- Ask for proof of insurance before work starts.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
How we ranked Harvard plumbers
We scored 622 Harvard plumbers on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Harvard data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Plumbers in Harvard: frequently asked questions
Who is the best plumber in Harvard?
By CR Score, the highest-ranked plumber in Harvard, MA is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 62/100. It has 4.8★ from 451 Google reviews. It is open 24/7. Roto-Rooter Plumbing & Water Cleanup (#2) and Eric C. Foster Plumbing Heating & Cooling Inc. (#3) follow. We ranked 622 plumbers on ten factors, last updated October 22, 2026.
How many plumbers are there in Harvard?
ContractorsRanked ranks 622 plumbers serving Harvard, MA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which plumbers in Harvard are open 24/7?
212 ranked plumbers in Harvard post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Eric C. Foster Plumbing Heating & Cooling Inc. (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Harvard work on weekends?
335 of 622 ranked plumbers post Saturday hours and 257 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Eric C. Foster Plumbing Heating & Cooling Inc. (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check a plumber's license in Massachusetts?
In Massachusetts, Massachusetts Board of State Examiners of Plumbers and Gas Fitters handles licensing and covers Plumbing work: water supply, drain, waste and vent piping and fixtures.
How much does water heater replacement cost in Harvard?
Water heater replacement typically costs $882 to $1,826, with $1,348 typical (Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Harvard. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Harvard plumbers have?
The median Google rating among 622 rated plumbers in Harvard is 4.9★, with a median of 20 reviews. Papalia Home Services has the most, 3,978 reviews, and ranks #8. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank plumbers?
Each plumber gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Harvard
- October 2026: CR Scores recalculated for 622 plumbers serving Harvard.
- October 2026: 3 duplicate listings merged.
More plumbers and Harvard pages
Plumbers near Harvard
- Plumbers in Lancaster, MA502 ranked
- Plumbers in Stow, MA791 ranked
- Plumbers in Hudson, MA690 ranked
- Plumbers in Clinton, MA474 ranked
- Plumbers in Acton, MA820 ranked
- Plumbers in Maynard, MA869 ranked
- Plumbers in Leominster, MA383 ranked
- Plumbers in Westford, MA731 ranked
- Plumbers in West Concord, MA861 ranked
- Plumbers in Sterling, MA371 ranked
Other trades in Harvard
- Roofers in Harvard1217 ranked
- Electricians in Harvard538 ranked
- HVAC contractors in Harvard880 ranked
- General contractors in Harvard955 ranked
- Painters in Harvard217 ranked
- Landscapers in Harvard236 ranked
- Handymen in Harvard54 ranked
- Kitchen remodelers in Harvard585 ranked
- Bathroom remodelers in Harvard553 ranked
- Flooring contractors in Harvard323 ranked
- Tile installers in Harvard60 ranked
- Drywall contractors in Harvard20 ranked
- Concrete contractors in Harvard140 ranked
- Fence contractors in Harvard135 ranked
- Deck builders in Harvard318 ranked
- Siding contractors in Harvard637 ranked
- Window installers in Harvard490 ranked
- Gutter installers in Harvard206 ranked
- Insulation contractors in Harvard100 ranked
- Solar installers in Harvard154 ranked
- Garage door repair companies in Harvard125 ranked
- Foundation repair companies in Harvard218 ranked
- Tree services in Harvard289 ranked
- Masonry contractors in Harvard470 ranked
- Water damage restoration companies in Harvard484 ranked
- Home builders in Harvard555 ranked
- Demolition contractors in Harvard78 ranked
- All contractors in Harvard