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Best Plumbers in Conception Bay South, NL (2026)

25 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Conception Bay South: Mr. Rooter Plumbing of St. John's, CR Score 63/100; 4.6★ from 518 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Butler's Plumbing LTD, posts 24/7 hours; ranked #2 of 25.

  3. 3

    Most-reviewed: Avalon Plumbing & Heating Ltd, 216 Google reviews at 4.9★, the most of 25 ranked after Mr. Rooter Plumbing of St. John's; ranked #3.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

25 Conception Bay South plumbers are ranked here by CR Score, from ten published factors. 6 are open 24/7, 12 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 4.7★ across 25 rated businesses.

Top 10 plumbers in Conception Bay South at a glance

Top 10 plumbers in Conception Bay South at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Mr. Rooter Plumbing of St. John's634.6★ (518)St. John's, 18 km away24/7Overall
2Butler's Plumbing LTD635.0★ (50)Conception Bay South24/7Emergencies
3Avalon Plumbing & Heating Ltd624.9★ (216)St. John's, 25 km away24/7Most reviews
4King's Plumbing & Heating Ltd594.7★ (45)St. John's, 21 km away24/7—
5Klein Plumbing595.0★ (31)St. John's, 10 km awaySat · Sun · Evenings—
6Hubley's Plumbing & Heating584.5★ (69)St. John's, 23 km away24/7—
7Kean's Pump Shop Ltd563.8★ (16)St. John's, 18 km away24/7—
8Cardon Plumbing Services555.0★ (3)Conception Bay SouthSat · Sun · Evenings—
9Thistle's Plumbing555.0★ (26)Mount Pearl, 10 km away——
10Petten's Plumbing Ltd.544.7★ (13)Conception Bay South——

The 25 best plumbers in Conception Bay South, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  2. #2 Butler's Plumbing LTD

    Based in Conception Bay South

    63/100CR Score

    Ranked #2 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.

    • 5.0★ from 50 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Butler's Plumbing LTD(709) 468-6361

  5. #5 Klein Plumbing

    Based in St. John's, 10 km away

    59/100CR Score

    Ranked #5 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.

    • 5.0★ from 31 Google reviews
    Hours
    Mon–Fri 8 AM–9 PM · Sat–Sun 10 AM–9 PM
    View profile for Klein Plumbing(709) 743-2853

  6. #6 Hubley's Plumbing & Heating

    Based in St. John's, 23 km away

    58/100CR Score

    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.

    • 4.5★ from 69 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    36 King's Rd, St. John's, NL A1C 1N6
    View profile for Hubley's Plumbing & Heating(709) 726-2552

  7. #7 Kean's Pump Shop Ltd

    Based in St. John's, 18 km away

    56/100CR Score

    Ranked #7 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.

    • 3.8★ from 16 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    53 Pippy Pl, St. John's, NL A1B 4C1
    View profile for Kean's Pump Shop Ltd(709) 726-7867

  8. #8 Cardon Plumbing Services

    Based in Conception Bay South

    55/100CR Score

    Ranked #8 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.

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Thu 7:30 AM–7:30 PM · Fri 7:30 AM–5:30 PM · Sat 7:30 AM–12:30 PM · Sun 7 AM–12 PM
    View profile for Cardon Plumbing Services(709) 697-0319

  9. #9 Thistle's Plumbing

    Based in Mount Pearl, 10 km away

    55/100CR Score

    Ranked #9 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.

    • 5.0★ from 26 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    View profile for Thistle's Plumbing(709) 725-4667

  10. #10 Petten's Plumbing Ltd.

    Based in Conception Bay South

    54/100CR Score

    Ranked #10 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.

    • 4.7★ from 13 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    29 Chaytors Rd, Conception Bay South, NL A1W 4G1
    View profile for Petten's Plumbing Ltd.(709) 834-2242

  11. #11 Keith's Plumbing Ltd

    Based in St. John's, 17 km away

    54/100CR Score

    Ranked #11 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.

    • 5.0★ from 13 Google reviews
    Address
    193 Main Rd, Goulds, NL A1S 1K3
    View profile for Keith's Plumbing Ltd(709) 745-7711

  14. #14 G & K Plumbing Ltd.

    Based in Mount Pearl, 14 km away

    53/100CR Score

    Ranked #14 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.

    • 4.7★ from 3 Google reviews
    Hours
    Mon–Sun 9 AM–5 PM
    Address
    Mount pearl street, Mount Pearl, NL A1N 2B7
    View profile for G & K Plumbing Ltd.(709) 771-1648

  16. #16 Dawe's Plumbing & Heating

    Based in Conception Bay South

    52/100CR Score

    Ranked #16 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.

    • 3.4★ from 10 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    171 Conception Bay Hwy, Conception Bay South, NL A1W 3G7
    View profile for Dawe's Plumbing & Heating(709) 834-5568

  17. #17 AMBZ Property Service Inc

    Based in St. John's, 19 km away

    52/100CR Score

    Ranked #17 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.

    • 5.0★ from 105 Google reviews
    Hours
    Mon–Fri 8:30 AM–5:30 PM · Sat 10 AM–4 PM · Sun closed
    Address
    82 Thorburn Rd, St. John's, NL A1B 4B1
    View profile for AMBZ Property Service Inc(709) 330-8999

  18. #18 Plumbing Plus Ltd

    Based in Conception Bay South

    52/100CR Score

    Ranked #18 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.

    • 5.0★ from 4 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    129 McNamara Dr, Paradise, NL A1L 0A7
    View profile for Plumbing Plus Ltd(709) 781-0192

  19. #19 Sooley Allan Plumbing Ltd

    Based in St. John's, 20 km away

    52/100CR Score

    Ranked #19 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.

    • 4.2★ from 26 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    57 Blackler Ave, St. John's, NL A1E 3E9
    View profile for Sooley Allan Plumbing Ltd(709) 579-6499

  20. #20 Rogers R S Ltd

    Based in St. John's, 22 km away

    51/100CR Score

    Ranked #20 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.

    • 5.0★ from 3 Google reviews
    Address
    197 Pennywell Rd, St. John's, NL A1C 2L8
    View profile for Rogers R S Ltd(709) 579-1078

  22. #22 The Snowman's Plumbing Inc.

    Based in St. John's, 15 km away

    50/100CR Score

    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.

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    481 Old Broad Cove Rd, Portugal Cove-St. Philip's, NL A1M 1Y4
    View profile for The Snowman's Plumbing Inc.(709) 689-6157

  23. #23 Crawford James G Ltd

    Based in St. John's, 21 km away

    48/100CR Score

    Ranked #23 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.

    • 4.7★ from 13 Google reviews
    Hours
    Mon–Fri 8 AM–4:45 PM · Sat–Sun 11 AM–5 PM
    Address
    29 Shaw St, St. John's, NL A1E 2W7
    View profile for Crawford James G Ltd(709) 579-4062

  24. #24 Bishop's Plumbing & Heating

    Based in St. John's, 24 km away

    48/100CR Score

    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.

    • 4.3★ from 44 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    115 Hussey Dr, St. John's, NL A1A 4Y6
    View profile for Bishop's Plumbing & Heating(709) 726-7344

  25. #25 Robert Hayward & Sons Ltd

    Based in Bay Roberts, 26 km away

    45/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.0★ from 20 Google reviews, listed on Google as “Heating contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.0★ from 20 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat 8 AM–12 PM · Sun closed
    Address
    502 Conception Bay Hwy, Spaniard's Bay, NL A0A 3X0
    View profile for Robert Hayward & Sons Ltd(709) 786-7152

Also serving Conception Bay South

20 more plumbers within 40 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked plumbers serving Conception Bay South
BusinessGoogle ratingDistance
Aiden Denine Plumbing and Heating10 km
Air-Tite Sheet Metal Ltd5.0★ (2)19 km
Aqua Plumbing & HeatingIn Conception Bay South
Arch Rose Plumbing4.0★ (1)26 km
Cardon PlumbingIn Conception Bay South
Carriage House Mechanical Ltd5.0★ (2)20 km
CC Plumbing5.0★ (1)23 km
Coastline Electrical5.0★ (1)In Conception Bay South
Dirty PlumbingIn Conception Bay South
Eastpoint Plumbing And Heating IncIn Conception Bay South
Eco HVAC5.0★ (1)In Conception Bay South
Enersmart Heating Systems5.0★ (3)In Conception Bay South
Lawlor's Plumbing & HeatingIn Conception Bay South
Littlejohn's Plumbing, Heating & Electrical5.0★ (2)23 km
McCarthy's Mechanical Ltd1.0★ (1)In Conception Bay South
Plumbing Xperts3.0★ (2)19 km
Summit Mechanical Services5.0★ (2)12 km
The Boiler Exchange Inc.14 km
void13 km
Williams 2000 Ltd Plumbing & Heating5.0★ (1)18 km

How much do plumbers cost in Conception Bay South?

US national ranges converted to CAD, not adjusted for Conception Bay South. Each row names its basis and the month we checked it.

How much do plumbers cost in Conception Bay South?
JobLowTypicalHighBasisChecked
Water heater replacementCA$1,240CA$1,890CA$2,570Per 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

How we ranked Conception Bay South plumbers

We scored 25 Conception Bay South 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Conception Bay South data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Plumbers in Conception Bay South: frequently asked questions

Who is the best plumber in Conception Bay South?

By CR Score, the highest-ranked plumber in Conception Bay South, NL is Mr. Rooter Plumbing of St. John's with a CR Score of 63/100. It has 4.6★ from 518 Google reviews. It is open 24/7. Butler's Plumbing LTD (#2) and Avalon Plumbing & Heating Ltd (#3) follow. We ranked 25 plumbers on ten factors, last updated October 22, 2026.

How many plumbers are there in Conception Bay South?

ContractorsRanked ranks 25 plumbers serving Conception Bay South, NL. 7 of them are based in Conception Bay South; the rest serve it from nearby towns. Another 20 within 40 km are listed but not ranked yet. Counts are as of October 2026.

Which plumbers in Conception Bay South are open 24/7?

6 ranked plumbers in Conception Bay South post 24/7 hours. The highest-ranked are Mr. Rooter Plumbing of St. John's (#1), Butler's Plumbing LTD (#2) and Avalon Plumbing & Heating Ltd (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Conception Bay South work on weekends?

12 of 25 ranked plumbers post Saturday hours and 10 post Sunday hours. The highest-ranked open Saturdays are Mr. Rooter Plumbing of St. John's (#1), Butler's Plumbing LTD (#2) and Avalon Plumbing & Heating Ltd (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does water heater replacement cost in Conception Bay South?

Water heater replacement typically costs CA$1,240 to CA$2,570, with CA$1,890 typical (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)). This is a national range, not adjusted for Conception Bay South. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Conception Bay South plumbers have?

The median Google rating among 25 rated plumbers in Conception Bay South is 4.7★, with a median of 13 reviews. Mr. Rooter Plumbing of St. John's has the most, 518 reviews, and ranks #1. 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.

Do plumbers outside Conception Bay South count in this ranking?

Yes, if they are within 40 km of the Conception Bay South city centre, our service radius for plumbers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Update log for Conception Bay South

  1. October 2026: CR Scores recalculated for 25 plumbers serving Conception Bay South.

More plumbers and Conception Bay South pages

Plumbers near Conception Bay South

Other trades in Conception Bay South