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ContractorsRanked

Best Plumbers in Newmarket, ON (2026)

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

The short answer

  1. 1

    Best overall in Newmarket: Cirton Plumbing & Drains Ltd, CR Score 90/100; 5.0★ from 305 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Plumber Real Way Newmarket, posts 24/7 hours; ranked #2 of 556.

  3. 9

    Most-reviewed: Reliance Heating, Air Conditioning & Plumbing, 10,870 Google reviews at 4.9★, the most of 556 ranked; ranked #9.

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

556 Newmarket plumbers are ranked here by CR Score, from 8 published factors. 301 are open 24/7, 431 open Saturdays and 356 open Sundays, based on posted hours. The median Google rating is 4.9★ across 556 rated businesses.

Top 10 plumbers in Newmarket at a glance

Top 10 plumbers in Newmarket at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Cirton Plumbing & Drains Ltd905.0★ (305)Aurora, 9 km away24/7Overall
2Plumber Real Way Newmarket905.0★ (118)Newmarket24/7Emergencies
3Aquatec Plumbing895.0★ (157)East Gwillimbury, 5 km away24/7—
4Mr. Rooter Plumbing of Newmarket ON884.8★ (512)East Gwillimbury, 12 km away24/7—
5Harris Plumbing Inc.884.8★ (112)Newmarket24/7—
6CDS Plumbing885.0★ (244)Aurora, 16 km away24/7—
7SUREFLOW PLUMBING & DRAIN884.9★ (194)East Gwillimbury, 12 km away24/7—
8Aras Plumbing Aurora Office885.0★ (75)Aurora, 8 km away24/7—
9Reliance Heating, Air Conditioning & Plumbing874.9★ (10,870)Richmond Hill, 24 km away24/7Most reviews
10PLUMBER ON DEMAND of VAUGHAN, ON875.0★ (297)Richmond Hill, 25 km away24/7—

The 556 best plumbers in Newmarket, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

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

  3. #3 Aquatec Plumbing

    Based in East Gwillimbury, 5 km away

    89/100CR Score

    Ranked #3 because of its Google rating and availability: 5.0★ from 157 Google reviews, open 24/7.

    • 5.0★ from 157 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    45 Grist Mill Rd, Holland Landing, ON L9N 1M7
    View profile for Aquatec Plumbing(289) 470-6221

  15. #15 MJ Plumbing LTD

    Based in East Gwillimbury, 17 km away

    86/100CR Score

    Ranked #15 because of its Google rating and availability: 4.9★ from 110 Google reviews, open 24/7.

    • 4.9★ from 110 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    13953 Ninth Line, Whitchurch-Stouffville, ON L4A 0X7
    View profile for MJ Plumbing LTD(416) 618-5323

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

plumbers in Newmarket, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26KonMack plumbing and Mechanical855.0★ (10)1 km
27PLUMBER ON DEMAND of THORNHILL, ON854.9★ (173)26 km
28Newmarket Pipe and Drain Repair855.0★ (9)In Newmarket
29TC Home Improvements854.8★ (23)6 km
30Townhouse Plumbing854.9★ (46)14 km
31Enercare854.8★ (1,023)37 km
32Plumbing Nerds: Plumbing & Drain Services near Bradford, ON854.9★ (34)12 km
33M.A.C. Stewart Plumbing854.6★ (95)11 km
34SUREFLOW PLUMBING & DRAIN854.9★ (181)29 km
35Dima Plumbing854.9★ (97)23 km
36PIPE PRINCE PLUMBING855.0★ (29)14 km
37Ontario Pacific Plumbing854.9★ (21)10 km
38Premier Plumbing854.9★ (453)38 km
39Citywide Emergency Plumbing & Drains855.0★ (49)21 km
40Dr. Plumbing Inc.855.0★ (122)31 km
41Local Drain Expert855.0★ (165)34 km
42Pedrosa Plumbing Inc855.0★ (84)27 km
43The Great Plumbing Co854.9★ (255)34 km
44Drain 1 Plumbers Inc.854.9★ (288)35 km
45The Plumbing Company855.0★ (103)30 km
46Dr.Pipe Drain and Plumbing844.9★ (131)29 km
47R.E.S. Plumbing & Drain Services844.9★ (126)28 km
48Nexus Plumbing & Contracting844.9★ (59)In Newmarket
49Drain Relief Toronto845.0★ (36)19 km
50AY Electrical & Plumbing844.7★ (529)32 km

Also serving Newmarket

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 Newmarket
BusinessGoogle ratingDistance
Artisan Plumbing3.0★ (2)25 km
Blueseal Plumbing - Maple5.0★ (2)22 km
Burnett's highland plumbing5.0★ (1)In Newmarket
Canadian Standard Plumbing5.0★ (116)28 km
Drain King Plumbers Oakville5.0★ (2)24 km
Emergency Plumbing Markham5.0★ (2)21 km
Everest Climate Solutions Inc.4.9★ (261)In Newmarket
Everest Drain & Plumbing: Vaughan's Local Plumber5.0★ (2)25 km
GS1 Plumbing4.8★ (76)21 km
GTAPlumberman5.0★ (2)6 km
Jones Plumbing & Mechanical3.0★ (2)7 km
KONMACK Plumbing and Mechanical Inc.In Newmarket
Marsan MechanicalIn Newmarket
Moderno Construction Inc.In Newmarket
MT Drains & Plumbers Newmarket : Foundation Repair & Basement Waterproofing Aurora5.0★ (2)In Newmarket
P & S Water 永業淨水3.0★ (2)21 km
Pilot Plumbing Products Inc1.0★ (2)23 km
Platinum Plumbing Group5.0★ (2)25 km
Seeman Plumbing Markham5.0★ (2)23 km
York Simcoe Plumbing & Mechanical Corp.5.0★ (2)In Newmarket

How much do plumbers cost in Newmarket?

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

How much do plumbers cost in Newmarket?
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 Newmarket plumbers

We scored 556 Newmarket plumbers on 8 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. Unknown factors are left out of the score, 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 Newmarket data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Plumbers in Newmarket: frequently asked questions

Who is the best plumber in Newmarket?

By CR Score, the highest-ranked plumber in Newmarket, ON is Cirton Plumbing & Drains Ltd with a CR Score of 90/100. It has 5.0★ from 305 Google reviews. It is open 24/7. Plumber Real Way Newmarket (#2) and Aquatec Plumbing (#3) follow. We ranked 556 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Newmarket?

ContractorsRanked ranks 556 plumbers serving Newmarket, ON. 5 of them are based in Newmarket; 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 Newmarket are open 24/7?

301 ranked plumbers in Newmarket post 24/7 hours. The highest-ranked are Cirton Plumbing & Drains Ltd (#1), Plumber Real Way Newmarket (#2) and Aquatec Plumbing (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Newmarket work on weekends?

431 of 556 ranked plumbers post Saturday hours and 356 post Sunday hours. The highest-ranked open Saturdays are Cirton Plumbing & Drains Ltd (#1), Plumber Real Way Newmarket (#2) and Aquatec Plumbing (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does water heater replacement cost in Newmarket?

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

What Google rating do Newmarket plumbers have?

The median Google rating among 556 rated plumbers in Newmarket is 4.9★, with a median of 24 reviews. Reliance Heating, Air Conditioning & Plumbing has the most, 10,870 reviews, and ranks #9. 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do plumbers outside Newmarket count in this ranking?

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

  1. October 2026: CR Scores recalculated for 556 plumbers serving Newmarket.
  2. October 2026: 4 duplicate listings merged.

More plumbers and Newmarket pages

Other trades in Newmarket