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ContractorsRanked

Best Plumbers in Alliston, ON (2026)

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

The short answer

  1. 1

    Best overall in Alliston: PHD Plumbing and Drain well service, CR Score 91/100; 4.8★ from 412 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Pedrosa Plumbing Inc, posts 24/7 hours; ranked #2 of 195.

  3. 4

    Most-reviewed: Reliance Yanch Heating, Air Conditioning & Plumbing, 5,937 Google reviews at 4.8★, the most of 195 ranked; ranked #4.

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

195 Alliston plumbers are ranked here by CR Score, from 8 published factors. 93 are open 24/7, 133 open Saturdays and 110 open Sundays, based on posted hours. The median Google rating is 4.9★ across 195 rated businesses.

Top 10 plumbers in Alliston at a glance

Top 10 plumbers in Alliston at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1PHD Plumbing and Drain well service914.8★ (412)Alliston24/7Overall
2Pedrosa Plumbing Inc885.0★ (84)Tottenham, 15 km away24/7Emergencies
3CDS Plumbing875.0★ (244)Aurora, 29 km away24/7—
4Reliance Yanch Heating, Air Conditioning & Plumbing874.8★ (5,937)Barrie, 26 km away24/7Most reviews
5Mr. Rooter Plumbing of Caledon874.4★ (273)Orangeville, 3 km away24/7—
6SUREFLOW PLUMBING & DRAIN874.9★ (194)East Gwillimbury, 25 km away24/7—
7Forge Plumbing & Drains865.0★ (54)Barrie, 17 km away24/7—
8Mr. Rooter Plumbing of Newmarket ON864.8★ (512)East Gwillimbury, 32 km away24/7—
9Cirton Plumbing & Drains Ltd865.0★ (305)Aurora, 37 km away24/7—
10Mutshinda Plumbing , Barrie Plumbers865.0★ (13)Barrie, 3 km away24/7—

The 195 best plumbers in Alliston, 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.

  11. #11 Aquatec Plumbing

    Based in East Gwillimbury, 32 km away

    86/100CR Score

    Ranked #11 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

  16. #16 Drain Right Now INC

    Based in Barrie, 32 km away

    85/100CR Score

    Ranked #16 because of its Google rating and availability: 4.8★ from 255 Google reviews, open 24/7.

    • 4.8★ from 255 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    31 Bothwell Crescent, Barrie, ON L4M 2S1
    View profile for Drain Right Now INC

  21. #21 Affordable Comfort

    Based in Barrie, 24 km away

    84/100CR Score

    Ranked #21 because of its Google rating and availability: 4.9★ from 2,540 Google reviews, open 24/7.

    • 4.9★ from 2,540 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    92 Commerce Park Dr Unit 8, Barrie, ON L4N 8W8
    View profile for Affordable Comfort(705) 503-4328

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

plumbers in Alliston, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Sureflow Plumbing & Drain844.9★ (59)29 km
27M.A.C. Stewart Plumbing844.6★ (95)23 km
28MB&K Plumbing Inc.844.9★ (58)30 km
29Aras Plumbing Aurora Office845.0★ (75)37 km
30Harris Plumbing Inc.844.8★ (112)34 km
31J T Plumbing & Drain Services Inc.844.8★ (38)25 km
32Crawford Plumbing845.0★ (79)39 km
33Harris Plumbing Inc.844.5★ (398)32 km
34GTA Home Plumbing Services LTD.845.0★ (116)23 km
35PHD Plumbing and Drain well service in innisfil835.0★ (33)31 km
36Ontario Pacific Plumbing834.9★ (21)26 km
37Aaron & Son Plumbing834.6★ (150)35 km
38Clearview Plumbing835.0★ (33)34 km
39SGM MECHANICAL823.4★ (5)In Alliston
405 Star Plumbing825.0★ (35)36 km
41JS Home Services824.5★ (244)36 km
42TMX PLUMBING INC825.0★ (15)28 km
43Integrity Plumbing Services825.0★ (4)In Alliston
44Plumbing Solutions824.9★ (40)38 km
45Enercare824.7★ (2,051)26 km
46Make It Drain824.6★ (31)29 km
47Bradford Plumbing824.4★ (25)25 km
48Ironclad Plumbing – Aurora825.0★ (25)36 km
49U-Save Plumbing Inc.824.8★ (24)33 km
50Timeless plumbing and drain815.0★ (9)28 km

Also serving Alliston

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 Alliston
BusinessGoogle ratingDistance
905 Restoration5.0★ (2)38 km
Division 15 Plumbing & Mechanical Inc.4.0★ (2)32 km
Doyle's Plumbing and HeatingIn Alliston
Emberley's Plumbing5.0★ (2)26 km
Emergency Plumbers of Ontario Inc.5.0★ (2)28 km
Gravelco Construction Inc.5.0★ (2)30 km
GS1 Plumbing4.8★ (76)32 km
GTAPlumberman5.0★ (2)35 km
High Tech Plumbing Inc5.0★ (1)27 km
Home Services at The Home Depot5.0★ (2)32 km
Home Services at The Home Depot5.0★ (1)25 km
Jones Plumbing & Mechanical3.0★ (2)33 km
Lefroy Plumbing5.0★ (2)32 km
Michael’s Plumbing Service4.3★ (21)28 km
MT Drains & Plumbers Newmarket : Foundation Repair & Basement Waterproofing Aurora5.0★ (2)35 km
Platinum Plumbing Group5.0★ (2)28 km
Plumbing & Gas Care H & L1.0★ (1)14 km
Roberts Air Systems5.0★ (1)24 km
Watters Plumbing & Backflow Services5.0★ (1)26 km
York Simcoe Plumbing & Mechanical Corp.5.0★ (2)35 km

How much do plumbers cost in Alliston?

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

How much do plumbers cost in Alliston?
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 Alliston plumbers

We scored 195 Alliston 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 Alliston 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 Alliston: frequently asked questions

Who is the best plumber in Alliston?

By CR Score, the highest-ranked plumber in Alliston, ON is PHD Plumbing and Drain well service with a CR Score of 91/100. It has 4.8★ from 412 Google reviews. It is open 24/7. Pedrosa Plumbing Inc (#2) and CDS Plumbing (#3) follow. We ranked 195 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Alliston?

ContractorsRanked ranks 195 plumbers serving Alliston, ON. 4 of them are based in Alliston; 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 Alliston are open 24/7?

93 ranked plumbers in Alliston post 24/7 hours. The highest-ranked are PHD Plumbing and Drain well service (#1), Pedrosa Plumbing Inc (#2) and CDS Plumbing (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Alliston work on weekends?

133 of 195 ranked plumbers post Saturday hours and 110 post Sunday hours. The highest-ranked open Saturdays are PHD Plumbing and Drain well service (#1), Pedrosa Plumbing Inc (#2) and CDS Plumbing (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does water heater replacement cost in Alliston?

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

What Google rating do Alliston plumbers have?

The median Google rating among 195 rated plumbers in Alliston is 4.9★, with a median of 24 reviews. Reliance Yanch Heating, Air Conditioning & Plumbing has the most, 5,937 reviews, and ranks #4. 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 Alliston count in this ranking?

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

  1. October 2026: CR Scores recalculated for 195 plumbers serving Alliston.
  2. October 2026: 2 duplicate listings merged.

More plumbers and Alliston pages

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