61/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 484 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 484 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 544 Summer Pl, Blackstone, MA 01504
Best Plumbers in Thompson, CT (2026)
344 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Thompson: STP Plumbing, CR Score 61/100; 5.0★ from 484 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Lackey & Sons 24/7 Drain Cleaning, posts 24/7 hours; ranked #2 of 344.
- 18
Most-reviewed: GEM Plumbing and Heating, 6,353 Google reviews at 4.6★, the most of 344 ranked; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
344 Thompson plumbers are ranked here by CR Score, from ten published factors. 113 are open 24/7, 189 open Saturdays and 133 open Sundays, based on posted hours. The median Google rating is 4.9★ across 344 rated businesses.
Top 10 plumbers in Thompson at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | STP Plumbing | 61 | 5.0★ (484) | Blackstone, 18 mi away | 24/7 | Overall |
| 2 | Lackey & Sons 24/7 Drain Cleaning | 60 | 5.0★ (53) | Seekonk, 5 mi away | 24/7 | Emergencies |
| 3 | G&C Plumbing & Heating | 60 | 5.0★ (602) | Blackstone, 22 mi away | 24/7 | — |
| 4 | Service Plus Plumbing | 59 | 4.9★ (31) | Putnam, 4 mi away | 24/7 | — |
| 5 | White Eagle Plumbing | 59 | 5.0★ (16) | Thompson | 24/7 | — |
| 6 | Imax Plumbing Corporation | 59 | 4.9★ (85) | Beverly, 11 mi away | 24/7 | — |
| 7 | Parent Sanitation, a Wind River Company | 59 | 4.8★ (85) | Putnam, 10 mi away | 24/7 | — |
| 8 | Thumbs Up Plumbing | 59 | 4.8★ (248) | Smithfield, 16 mi away | 24/7 | — |
| 9 | Helgerson's Environmental & Septic | 59 | 4.9★ (105) | Charlton, 14 mi away | 24/7 | — |
| 10 | Landry Mechanical Inc Plumbing HVAC & Electric | 58 | 4.8★ (3,030) | Millbury, 17 mi away | 24/7 | — |
The 344 best plumbers in Thompson, 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 Seekonk, 5 mi away
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 53 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Blackstone, 22 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 602 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 602 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 128 Mechanic St, Bellingham, MA 02019
Based in Putnam, 4 mi away
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 31 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 31 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- Putnam, CT 06260
Based in Thompson
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 16 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Beverly, 11 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 85 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 85 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Putnam, 10 mi away
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 85 Google reviews, listed on Google as “Septic system service”.
- 4.8★ from 85 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Smithfield, 16 mi away
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 248 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 248 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3 Industrial Dr Unit 3E Unit 3E, Smithfield, RI 02917
Based in Charlton, 14 mi away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 105 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 105 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 79 Bay Path Rd, Charlton, MA 01507
Based in Millbury, 17 mi away
58/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 3,030 Google reviews.
- 4.8★ from 3,030 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 22 Howe Ave, Millbury, MA 01527
Based in Blackstone, 21 mi away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.7★ from 635 Google reviews, listed on Google as “Plumber”.
- 4.7★ from 635 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 115 Mendon St, Bellingham, MA 02019
Based in Spencer, 21 mi away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.6★ from 825 Google reviews, listed on Google as “Plumber”.
- 4.6★ from 825 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10 Meadow Rd, Spencer, MA 01562
Based in Charlton, 21 mi away
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 320 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 320 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Thompson
58/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 8 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Cumberland, 24 mi away
58/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 354 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 354 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 45 Industrial Rd Suite 207, Cumberland, RI 02864
Based in Berkley, 11 mi away
58/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 31 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Mansfield Center, 11 mi away
58/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 30 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Lincoln, 20 mi away
58/100CR ScoreRanked #18 because of its Google rating and review volume: 4.6★ from 6,353 Google reviews, the most in Thompson.
- 4.6★ from 6,353 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1 Wellington Rd, Lincoln, RI 02865
Based in Douglas, 11 mi away
57/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 27 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Rehoboth, 10 mi away
57/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.7★ from 35 Google reviews, listed on Google as “Plumber”.
- 4.7★ from 35 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Mendon, 17 mi away
57/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 65 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- Mowry St, Mendon, MA 01756
Based in Haverhill, 11 mi away
57/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 30 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Charlton, 14 mi away
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 424 Google reviews, listed on Google as “Heating contractor”.
- 4.9★ from 424 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 41 Bay Path Rd, Charlton, MA 01507
Based in Northampton, 11 mi away
57/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 65 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 65 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat–Sun 9 AM–5 PM
#25 Kay's Plumbing
Based in Thompson
57/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 27 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat 7 AM–3 PM · Sun closed
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 344 ranked plumbers here; the rest are on their profiles.
Also serving Thompson
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 |
|---|---|---|
| Admiral Septic Service, LLC | 4.7★ (69) | 21 mi |
| AES Plumbing and Heating | 5.0★ (9) | 11 mi |
| Aubin & Sons Plumbing & Heating | 1.0★ (1) | In Thompson |
| AW Pump Serving Massachusetts - well pump & Well Tank Installation Service | In Thompson | |
| Celtic Custom Plumbing | In Thompson | |
| Clogbusters Underground Technologies Inc. | 5.0★ (7) | 11 mi |
| Dan & Sons Plumbing Heating | 3.0★ (2) | 11 mi |
| Emergency Sewer and Drain | 5.0★ (73) | 25 mi |
| G&C Plumbing & Heating | 4.9★ (990) | 25 mi |
| Grafton Plumbing & Heating | 5.0★ (2) | 15 mi |
| Hilltop Contractors, LLC | 5.0★ (2) | 8 mi |
| Hollister Plumbing And Heating LLC | 5.0★ (2) | 11 mi |
| Jason Ravitz Master Plumber & Daughter, Inc. | 5.0★ (1) | In Thompson |
| JPD Plumbing & Heating LLC | 5.0★ (2) | 11 mi |
| Kavinelli Plumbing & Heating | 5.0★ (2) | 14 mi |
| Luis Baez The Handy Neighbor | 5.0★ (2) | 11 mi |
| R&B Plumbing & Heating | 4.0★ (2) | 5 mi |
| United Sewer And Drain | 5.0★ (77) | 25 mi |
| Walsh's Plumbing & Heating corp | 3.5★ (2) | 11 mi |
| Wiersma Plumbing & Heating Inc | 5.0★ (2) | 11 mi |
How much do plumbers cost in Thompson?
National price ranges in USD, not adjusted for Thompson. 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 Connecticut
In Connecticut, Connecticut Department of Consumer Protection licenses Plumbing work: water supply, drain, waste and vent piping and fixtures.
- Search the business name or license number on the Connecticut Department of Consumer Protection license lookup.
- 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 Thompson plumbers
We scored 344 Thompson 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 Thompson 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 Thompson: frequently asked questions
Who is the best plumber in Thompson?
By CR Score, the highest-ranked plumber in Thompson, CT is STP Plumbing with a CR Score of 61/100. It has 5.0★ from 484 Google reviews. It is open 24/7. Lackey & Sons 24/7 Drain Cleaning (#2) and G&C Plumbing & Heating (#3) follow. We ranked 344 plumbers on ten factors, last updated October 22, 2026.
How many plumbers are there in Thompson?
ContractorsRanked ranks 344 plumbers serving Thompson, CT. 4 of them are based in Thompson; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which plumbers in Thompson are open 24/7?
113 ranked plumbers in Thompson post 24/7 hours. The highest-ranked are STP Plumbing (#1), Lackey & Sons 24/7 Drain Cleaning (#2) and G&C Plumbing & Heating (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Thompson work on weekends?
189 of 344 ranked plumbers post Saturday hours and 133 post Sunday hours. The highest-ranked open Saturdays are STP Plumbing (#1), Lackey & Sons 24/7 Drain Cleaning (#2) and G&C Plumbing & Heating (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check a plumber's license in Connecticut?
In Connecticut, Connecticut Department of Consumer Protection handles licensing and covers Plumbing work: water supply, drain, waste and vent piping and fixtures. Search the business or license number at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx.
How much does water heater replacement cost in Thompson?
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 Thompson. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Thompson plumbers have?
The median Google rating among 344 rated plumbers in Thompson is 4.9★, with a median of 17 reviews. GEM Plumbing and Heating has the most, 6,353 reviews, and ranks #18. 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 Thompson
- October 2026: CR Scores recalculated for 344 plumbers serving Thompson.
- October 2026: 1 duplicate listing merged.
More plumbers and Thompson pages
Plumbers near Thompson
- Plumbers in Putnam, CT307 ranked
- Plumbers in Killingly Center, CT311 ranked
- Plumbers in Plainfield, CT230 ranked
- Plumbers in Stafford, CT239 ranked
- Plumbers in Storrs, CT258 ranked
- Plumbers in Mansfield City, CT237 ranked
- Plumbers in Windham, CT186 ranked
- Plumbers in Willimantic, CT203 ranked
- Plumbers in Tolland, CT284 ranked
- Plumbers in Preston City, CT186 ranked
Other trades in Thompson
- Roofers in Thompson847 ranked
- Electricians in Thompson271 ranked
- HVAC contractors in Thompson458 ranked
- General contractors in Thompson549 ranked
- Painters in Thompson185 ranked
- Landscapers in Thompson141 ranked
- Handymen in Thompson56 ranked
- Kitchen remodelers in Thompson246 ranked
- Bathroom remodelers in Thompson224 ranked
- Flooring contractors in Thompson204 ranked
- Tile installers in Thompson37 ranked
- Drywall contractors in Thompson18 ranked
- Concrete contractors in Thompson93 ranked
- Fence contractors in Thompson94 ranked
- Deck builders in Thompson132 ranked
- Siding contractors in Thompson448 ranked
- Window installers in Thompson364 ranked
- Gutter installers in Thompson149 ranked
- Insulation contractors in Thompson59 ranked
- Solar installers in Thompson120 ranked
- Garage door repair companies in Thompson50 ranked
- Foundation repair companies in Thompson124 ranked
- Tree services in Thompson181 ranked
- Masonry contractors in Thompson213 ranked
- Water damage restoration companies in Thompson325 ranked
- Home builders in Thompson341 ranked
- Demolition contractors in Thompson71 ranked
- All contractors in Thompson