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ContractorsRanked

Emergency Plumbers in Markham, ON (2026)

Top 50 of 766 plumbers, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 plumbers on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

Burst pipe or major leak: shut off the main water valve first. If water reaches outlets or the panel, stay clear and call 911.

The short answer

  1. 1

    #1 for emergency plumbing in Markham: Mr. Rooter Plumbing of Scarborough ON, open 24/7.

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

Top emergency plumbers in Markham at a glance

Top emergency plumbers in Markham at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Mr. Rooter Plumbing of Scarborough ON904.7★ (479)Markham24/7
2Reliance Heating, Air Conditioning & Plumbing904.9★ (10,870)Richmond Hill, 10 km away24/7
3Sewer Squad Plumbing904.9★ (1,700)Ajax, 19 km away24/7
4Enercare904.8★ (1,023)Pickering, 12 km away24/7
5PLUMBER ON DEMAND of MARKHAM, ON904.9★ (160)Markham24/7
6Dima Plumbing894.9★ (97)Markham24/7
7PLUMBER ON DEMAND of RICHMOND HILL, ON894.9★ (91)Markham24/7
8Drain King Plumbers Toronto894.7★ (2,552)North York, 21 km away24/7
9Grizzly Plumbing and Heating Inc895.0★ (430)Scarborough, 18 km away24/7
10Local Drain Expert895.0★ (165)Scarborough, 10 km away24/7

Call an emergency plumber in Markham now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency plumbers in Markham, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 766 is on the plumbers page.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  4. #4 Enercare

    Based in Pickering, 12 km away

    90/100CR Score

    Ranked #4 because of its Google rating and availability: 4.8★ from 1,023 Google reviews, open 24/7.

    • 4.8★ from 1,023 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Enercare(647) 288-1608

  6. #6 Dima Plumbing

    Based in Markham

    89/100CR Score

    Ranked #6 because of its Google rating and availability: 4.9★ from 97 Google reviews, open 24/7.

    • 4.9★ from 97 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    25 Pamgrey Rd, Markham, ON L6E 0B2
    View profile for Dima Plumbing(647) 289-9576

  14. #14 Premier Plumbing

    Based in East York, 19 km away

    88/100CR Score

    Ranked #14 because of its Google rating and availability: 4.9★ from 453 Google reviews, open 24/7.

    • 4.9★ from 453 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    196 Divadale Dr, East York, ON M4G 2P7
    View profile for Premier Plumbing(855) 768-6130

  15. #15 H2O Plumbers

    Based in Scarborough, 14 km away

    88/100CR Score

    Ranked #15 because of its Google rating and availability: 5.0★ from 170 Google reviews, open 24/7.

    • 5.0★ from 170 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    Lawrence Ave E, Scarborough, ON M1R 5H2
    View profile for H2O Plumbers(437) 771-6460

  19. #19 Saving Plumbing

    Based in Scarborough, 9 km away

    88/100CR Score

    Ranked #19 because of its Google rating and availability: 4.8★ from 192 Google reviews, open 24/7.

    • 4.8★ from 192 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10 Milner Business Ct suite 300, Scarborough, ON M1B 3C6
    View profile for Saving Plumbing(416) 271-6745

Top 50 of 766 plumbers by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

plumbers in Markham, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Delair Plumbing885.0★ (82)9 km
27Bruce Clark & Son Plumbing & Mechanical Ltd884.9★ (35)In Markham
28Mr. Rooter Plumbing of Markham884.5★ (124)In Markham
29One Call Plumbers884.9★ (156)14 km
30Vaillancourt Plumbing & Drains884.9★ (1,375)32 km
31Advanced Plumbing & Drains885.0★ (485)28 km
32PLUMBER ON DEMAND of TORONTO, ON - East York885.0★ (184)19 km
33Access Plumbing874.7★ (47)In Markham
34Dr. Plumbing Inc.875.0★ (122)16 km
35PLUMBER ON DEMAND of VAUGHAN, ON875.0★ (297)24 km
36SUPER PLUMBER875.0★ (90)13 km
37AY Electrical & Plumbing874.7★ (529)19 km
38Crystal Drain & Plumbing, Drain Backup, Drain Cleaning, Sewer Drain Repair Scarborough874.9★ (85)10 km
39LD Drain Repair & Drain Cleaning. Any Clogged Toilet, Sink Or Main Drain of Markham875.0★ (23)In Markham
40Canadian Standard Plumbing875.0★ (116)16 km
41Drain 1 Plumbers Inc.874.9★ (288)22 km
42FlowCraft Plumbing Services875.0★ (22)In Markham
43Mr Rooter Plumbing of Thornhill ON874.7★ (36)In Markham
44PLUMBER ON DEMAND of TORONTO, ON - Uptown874.9★ (207)19 km
45Blueflow Plumbing and Drain875.0★ (63)11 km
46Everest Drain & Plumbing Toronto874.8★ (299)19 km
47Everest Drain & Plumbing: Markham's Local Plumber874.7★ (31)In Markham
48Markham Plumbing, Drain Repair & Drain Cleaning Inc874.6★ (40)In Markham
49PLUMBER ON DEMAND of TORONTO, ON - Midtown874.9★ (179)19 km
50Mr Rooter Plumbing of Ajax-Pickering874.7★ (393)19 km

How we ranked emergency plumbers in Markham

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 plumbers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

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 from
Reputation25%Bayesian-adjusted Google star rating
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2
Review volume10%log10(reviews + 1) against the list maximum
Recency10%Share of reviews from the last 12 months
Availability20%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radius
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)

Emergency plumbers in Markham: questions

Which plumbers in Markham are open 24/7?

25 on this list post 24/7 hours, including Mr. Rooter Plumbing of Scarborough ON, Reliance Heating, Air Conditioning & Plumbing, Sewer Squad Plumbing, Enercare and PLUMBER ON DEMAND of MARKHAM, ON.

Who is ranked #1 for emergency plumbing in Markham, ON?

Mr. Rooter Plumbing of Scarborough ON is #1, with a CR Score of 90 out of 100 on emergency weights.

How are emergency plumbers in Markham ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 plumbers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the plumber arrives?

Burst pipe or major leak: shut off the main water valve first. If water reaches outlets or the panel, stay clear and call 911.

How many emergency plumbers here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Markham

  1. October 2026: CR Scores recalculated for 766 plumbers serving Markham.
  2. October 2026: 5 duplicate listings merged.

More emergency and plumbing pages