26 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Mount Pearl: Mr. Rooter Plumbing of St. John's, CR Score 65/100; 4.6★ from 518 Google reviews; open 24/7.
Best for emergencies (open 24/7): Avalon Plumbing & Heating Ltd, posts 24/7 hours; ranked #3 of 26.
Most-reviewed: Connolly's Plumbing Ltd, 632 Google reviews at 4.9★, the most of 26 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
26 Mount Pearl plumbers are ranked here by CR Score, from ten published factors. 6 are open 24/7, 13 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 4.7★ across 26 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mr. Rooter Plumbing of St. John's | 65 | 4.6★ (518) | St. John's, 5 km away | 24/7 | Overall |
| 2 | Connolly's Plumbing Ltd | 65 | 4.9★ (632) | Mount Pearl | Sat | Most reviews |
| 3 | Avalon Plumbing & Heating Ltd | 64 | 4.9★ (216) | St. John's, 12 km away | 24/7 | Emergencies |
| 4 | Butler's Plumbing LTD | 61 | 5.0★ (50) | Conception Bay South, 12 km away | 24/7 | — |
| 5 | King's Plumbing & Heating Ltd | 61 | 4.7★ (45) | St. John's, 6 km away | 24/7 | — |
| 6 | Hubley's Plumbing & Heating | 61 | 4.5★ (69) | St. John's, 8 km away | 24/7 | — |
| 7 | Klein Plumbing | 60 | 5.0★ (31) | St. John's, 6 km away | Sat · Sun · Evenings | — |
| 8 | Kean's Pump Shop Ltd | 58 | 3.8★ (16) | St. John's, 5 km away | 24/7 | — |
| 9 | Keith's Plumbing Ltd | 57 | 5.0★ (13) | St. John's, 4 km away | — | — |
| 10 | Thistle's Plumbing | 57 | 5.0★ (26) | Mount Pearl | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.6★ from 518 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Pearl
Ranked #2 because of its Google rating and review volume: 4.9★ from 632 Google reviews, the most in Mount Pearl.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 12 km away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 216 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Conception Bay South, 12 km away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 6 km away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 45 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 8 km away
Ranked #6 because of its Google rating and trade focus: 4.5★ from 69 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 6 km away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 5 km away
Ranked #8 because of its Google rating and trade focus: 3.8★ from 16 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 4 km away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Mount Pearl
Ranked #10 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Pearl
Ranked #11 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Conception Bay South, 9 km away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 5 km away
Ranked #13 because of its Google rating and review volume: 5.0★ from 105 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 5 km away
Ranked #14 because of its Google rating and trade focus: 4.2★ from 26 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 6 km away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Conception Bay South, 12 km away
Ranked #16 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Conception Bay South, 11 km away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in St. John's, 11 km away
Ranked #18 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Conception Bay South, 7 km away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Conception Bay South, 15 km away
Ranked #20 because of its Google rating and trade focus: 4.3★ from 12 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 5 km away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 13 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 10 km away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Conception Bay South, 14 km away
Ranked #23 because of its Google rating and trade focus: 3.4★ from 10 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in St. John's, 12 km away
Ranked #24 because of its Google rating and trade focus: 4.3★ from 44 Google reviews, listed on Google as “Heating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bay Roberts, 38 km away
Ranked #25 because of its Google rating and trade focus: 2.8★ from 13 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
US national ranges converted to CAD, not adjusted for Mount Pearl. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Water heater replacement | CA$1,240 | CA$1,890 | CA$2,570 | Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
We scored 26 Mount Pearl 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 Mount Pearl 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 |