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ContractorsRanked

Best Plumbers in Perth, ON (2026)

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

The short answer

  1. 1

    Best overall in Perth: Diguer Plumbing Services, CR Score 61/100; 4.9★ from 92 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Aspire Plumbing Services, posts 24/7 hours; ranked #2 of 14.

  3. 10

    Most-reviewed: Denoco Energy Systems Ltd, 102 Google reviews at 4.6★, the most of 14 ranked; ranked #10.

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

14 Perth plumbers are ranked here by CR Score, from ten published factors. 3 are open 24/7, 4 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.8★ across 14 rated businesses.

Top 10 plumbers in Perth at a glance

Top 10 plumbers in Perth at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Diguer Plumbing Services614.9★ (92)Nepean, 40 km away24/7Overall
2Aspire Plumbing Services584.8★ (36)Kanata, 39 km away24/7Emergencies
3John The Plumber574.8★ (12)Carleton Place, 29 km away24/7—
4Plumberjack Plumbing565.0★ (45)Carleton Place, 28 km away——
5Publow's Plumbing Ltd553.8★ (15)Perth——
6Van Eik Plumbing555.0★ (13)Brockville, 31 km awaySat · Sun—
7R.W.Blue Plumbing & Water Treatment543.9★ (24)Smiths Falls, 16 km away——
8McNamee Plumbing & Heating544.2★ (34)Perth——
9Purdy Plumbing & Heating Inc544.7★ (26)Carleton Place, 29 km away——
10Denoco Energy Systems Ltd524.6★ (102)Smiths Falls, 19 km away—Most reviews

The 14 best plumbers in Perth, 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 John The Plumber

    Based in Carleton Place, 29 km away

    57/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.8★ from 12 Google reviews, listed on Google as “Plumber”.

    • 4.8★ from 12 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5 Bates Dr, Carleton Place, ON K7C 4J8
    View profile for John The Plumber(613) 366-4737

  4. #4 Plumberjack Plumbing

    Based in Carleton Place, 28 km away

    56/100CR Score

    Ranked #4 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 45 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    273 King St, Carleton Place, ON K7C 0C8
    View profile for Plumberjack Plumbing(613) 762-3481

  11. #11 Plumbtex

    Based in Kanata, 40 km away

    52/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 22 Google reviews
    Hours
    Mon–Fri 7 AM–4 PM · Sat–Sun closed
    View profile for Plumbtex(613) 581-1414

Also serving Perth

4 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 Perth
BusinessGoogle ratingDistance
Pro Desk at RONA28 km
Publows PlumbingIn Perth
Rattray's Plumbing5.0★ (1)26 km
Stanzel B W Heating & Plumbing18 km

How much do plumbers cost in Perth?

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

How much do plumbers cost in Perth?
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 Perth plumbers

We scored 14 Perth 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 Perth 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 Perth: frequently asked questions

Who is the best plumber in Perth?

By CR Score, the highest-ranked plumber in Perth, ON is Diguer Plumbing Services with a CR Score of 61/100. It has 4.9★ from 92 Google reviews. It is open 24/7. Aspire Plumbing Services (#2) and John The Plumber (#3) follow. We ranked 14 plumbers on ten factors, last updated October 22, 2026.

How many plumbers are there in Perth?

ContractorsRanked ranks 14 plumbers serving Perth, ON. 2 of them are based in Perth; the rest serve it from nearby towns. Another 4 within 40 km are listed but not ranked yet. Counts are as of October 2026.

Which plumbers in Perth are open 24/7?

3 ranked plumbers in Perth post 24/7 hours. The highest-ranked are Diguer Plumbing Services (#1), Aspire Plumbing Services (#2) and John The Plumber (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Perth work on weekends?

4 of 14 ranked plumbers post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are Diguer Plumbing Services (#1), Aspire Plumbing Services (#2) and John The Plumber (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does water heater replacement cost in Perth?

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

What Google rating do Perth plumbers have?

The median Google rating among 14 rated plumbers in Perth is 4.8★, with a median of 23 reviews. Denoco Energy Systems Ltd has the most, 102 reviews, and ranks #10. 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 Perth count in this ranking?

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

  1. October 2026: CR Scores recalculated for 14 plumbers serving Perth.

More plumbers and Perth pages