Skip to content
ContractorsRanked

Best Plumbers in Mississauga, ON (2026)

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

The short answer

  1. 1

    Best overall in Mississauga: Mr Rooter Plumbing of Mississauga ON, CR Score 65/100; 4.8★ from 2,362 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Reliance Heating, Air Conditioning & Plumbing, posts 24/7 hours; ranked #2 of 835.

  3. 2

    Most-reviewed: Reliance Heating, Air Conditioning & Plumbing, 20,445 Google reviews at 4.8★, the most of 835 ranked; ranked #2.

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

835 Mississauga plumbers are ranked here by CR Score, from ten published factors. 463 are open 24/7, 678 open Saturdays and 563 open Sundays, based on posted hours. The median Google rating is 5.0★ across 835 rated businesses.

Top 10 plumbers in Mississauga at a glance

Top 10 plumbers in Mississauga at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Mr Rooter Plumbing of Mississauga ON654.8★ (2,362)Mississauga24/7Overall
2Reliance Heating, Air Conditioning & Plumbing644.8★ (20,445)Mississauga24/7Emergencies, Most reviews
3Harb Plumbing644.9★ (577)Mississauga24/7—
4Delex Plumbing and Drains635.0★ (371)Milton, 2 km away24/7—
5Rooter-Man624.8★ (333)Mississauga24/7—
6John The Plumber624.7★ (420)Mississauga24/7—
7Precise Plumbing & Drain Services624.8★ (274)Mississauga24/7—
8Drain Rescue Plumbers Toronto624.8★ (844)Toronto, 9 km away24/7—
9Greenway Plumbing Services624.9★ (178)Mississauga24/7—
10Crystal Drain & Plumbing, Drain Backup, Drain Cleaning, Sewer Drain Repair624.9★ (165)Mississauga24/7—

The 835 best plumbers in Mississauga, 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.

  3. #3 Harb Plumbing

    Based in Mississauga

    64/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.9★ from 577 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 577 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2400 Dundas St W Unit 6, Mississauga, ON L5K 2R8
    View profile for Harb Plumbing(647) 446-2600

  5. #5 Rooter-Man

    Based in Mississauga

    62/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.8★ from 333 Google reviews, listed on Google as “Plumber”.

    • 4.8★ from 333 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1215 Queensway E #62, Mississauga, ON L4Y 0G4
    View profile for Rooter-Man(289) 724-3178

  6. #6 John The Plumber

    Based in Mississauga

    62/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.7★ from 420 Google reviews, listed on Google as “Plumber”.

    • 4.7★ from 420 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1164 Shamir Crescent, Mississauga, ON L5C 1L1
    View profile for John The Plumber(289) 210-8703

  15. #15 Harb Plumbing

    Based in Mississauga

    62/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.8★ from 194 Google reviews, listed on Google as “Plumber”.

    • 4.8★ from 194 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Harb Plumbing(905) 847-7020

  22. #22 PlumbingPal

    Based in Milton, 6 km away

    61/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 160 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 160 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for PlumbingPal(437) 829-4400

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 835 ranked plumbers here; the rest are on their profiles.

plumbers in Mississauga, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Advanced Plumbing & Drains615.0★ (485)18 km
27Roto-Rooter614.7★ (944)12 km
28Drain 1 Plumbers Mississauga614.9★ (79)In Mississauga
29John The Plumber614.8★ (280)8 km
30Atre Drain and Plumbing614.9★ (73)In Mississauga
31Budget Rooter615.0★ (51)In Mississauga
32Rooter-Man Drain & Sewer Repair Services Toronto614.8★ (570)15 km
33Drain King Plumbers Toronto614.7★ (2,552)24 km
34Superior Plumbing & Heating of Mississauga614.8★ (73)In Mississauga
354 Seasons Plumbing605.0★ (155)12 km
36Drain 1 Plumbers Inc. - Drain Cleaning and Backup Etobicoke605.0★ (110)10 km
37Jesses Plumbing Inc.605.0★ (41)In Mississauga
38Plumbing Dunn Right604.9★ (541)21 km
39Anta Plumbing Toronto604.7★ (416)12 km
40Atre Drain and Plumbing605.0★ (108)10 km
41PLUMBER ON DEMAND of MISSISSAUGA, ON605.0★ (148)13 km
42Jesse’s Plumbing605.0★ (102)11 km
43Mister Plumber604.9★ (282)17 km
44Mr. Rooter Plumbing of Brampton ON604.8★ (539)18 km
45John The Plumber604.8★ (256)13 km
46Priority Plumbing & Drains604.9★ (37)In Mississauga
47Canadian Rooter Port Credit Plumber605.0★ (29)In Mississauga
48Portimão Plumbing605.0★ (29)In Mississauga
4917 Plumbing & Construction Design Ltd605.0★ (115)14 km
50Drain 1 Plumbers Oakville605.0★ (120)15 km

Also serving Mississauga

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 Mississauga
BusinessGoogle ratingDistance
a Rescue Rooter3.0★ (2)16 km
A&R Plumbing & Mechanical ServiceIn Mississauga
Alma Plumbing & Drain Service5.0★ (2)In Mississauga
Ballantyne Plumbing & HVAC5.0★ (2)21 km
Bathroom Fellas5.0★ (2)10 km
Creed Plumbing - Toronto Emergency Plumbing Service5.0★ (142)14 km
DrainWorks Plumbing MississaugaIn Mississauga
Dream Renovations - Basements decks Kitchen & Bathroom Renovations Brampton4.5★ (2)16 km
Harb Plumbing4.9★ (481)9 km
J.A. Plumbing Services Inc.5.0★ (2)In Mississauga
JG General Services5.0★ (1)In Mississauga
KORBI INC - PLUMBING5.0★ (2)12 km
Mineola Plumbing5.0★ (72)In Mississauga
Plumber Express Rescue MississaugaIn Mississauga
Service Pro Mechanical Inc.5.0★ (1)In Mississauga
Strong Basements - Basement Waterproofing & Underpinning ExpertsIn Mississauga
Super 5 Drain and Plumbing5.0★ (2)19 km
Tornado Plumbing & Drains5.0★ (182)13 km
Toronto Plumbing Group5.0★ (2)In Mississauga
VK pro Plumbing5.0★ (2)In Mississauga

How much do plumbers cost in Mississauga?

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

How much do plumbers cost in Mississauga?
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 Mississauga plumbers

We scored 835 Mississauga 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 Mississauga 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 Mississauga: frequently asked questions

Who is the best plumber in Mississauga?

By CR Score, the highest-ranked plumber in Mississauga, ON is Mr Rooter Plumbing of Mississauga ON with a CR Score of 65/100. It has 4.8★ from 2,362 Google reviews. It is open 24/7. Reliance Heating, Air Conditioning & Plumbing (#2) and Harb Plumbing (#3) follow. We ranked 835 plumbers on ten factors, last updated October 22, 2026.

How many plumbers are there in Mississauga?

ContractorsRanked ranks 835 plumbers serving Mississauga, ON. 25 of them are based in Mississauga; 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 Mississauga are open 24/7?

463 ranked plumbers in Mississauga post 24/7 hours. The highest-ranked are Mr Rooter Plumbing of Mississauga ON (#1), Reliance Heating, Air Conditioning & Plumbing (#2) and Harb Plumbing (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Mississauga work on weekends?

678 of 835 ranked plumbers post Saturday hours and 563 post Sunday hours. The highest-ranked open Saturdays are Mr Rooter Plumbing of Mississauga ON (#1), Reliance Heating, Air Conditioning & Plumbing (#2) and Harb Plumbing (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does water heater replacement cost in Mississauga?

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 Mississauga. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Mississauga plumbers have?

The median Google rating among 835 rated plumbers in Mississauga is 5.0★, with a median of 30 reviews. Reliance Heating, Air Conditioning & Plumbing has the most, 20,445 reviews, and ranks #2. 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 Mississauga count in this ranking?

Yes, if they are within 40 km of the Mississauga 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 Mississauga

  1. October 2026: CR Scores recalculated for 835 plumbers serving Mississauga.
  2. October 2026: 6 duplicate listings merged.

More plumbers and Mississauga pages

Other trades in Mississauga