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ContractorsRanked

Best Plumbers in Nepean, ON (2026)

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

The short answer

  1. 1

    Best overall in Nepean: Out Of This World Plumbing Ottawa, CR Score 93/100; 4.8★ from 1,112 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): John The Plumber, posts 24/7 hours; ranked #2 of 158.

  3. 16

    Most-reviewed: Reliance Holmes Ottawa Heating, Air Conditioning & Plumbing, 8,352 Google reviews at 4.7★, the most of 158 ranked; ranked #16.

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

158 Nepean plumbers are ranked here by CR Score, from 8 published factors. 71 are open 24/7, 99 open Saturdays and 88 open Sundays, based on posted hours. The median Google rating is 4.9★ across 158 rated businesses.

Top 10 plumbers in Nepean at a glance

Top 10 plumbers in Nepean at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Out Of This World Plumbing Ottawa934.8★ (1,112)Nepean24/7Overall
2John The Plumber924.8★ (2,209)Ottawa, 9 km away24/7Emergencies
3The Irish Plumber914.8★ (753)Ottawa, 5 km away24/7—
4B&W Plumbing915.0★ (150)Ottawa, 1 km away24/7—
5John The Plumber914.9★ (342)Ottawa, 6 km away24/7—
6Mr. Rooter Plumbing of Ottawa904.7★ (1,773)Ottawa, 11 km away24/7—
7Environmental Plumbing and Drains904.8★ (419)Ottawa, 6 km away24/7—
8The Irish Plumber904.9★ (110)Nepean24/7—
9Plumbing Now904.8★ (289)Ottawa, 6 km away24/7—
10DH Plumbing & Heating894.9★ (110)Ottawa, 2 km away24/7—

The 158 best plumbers in Nepean, 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.

  2. #2 John The Plumber

    Based in Ottawa, 9 km away

    92/100CR Score

    Ranked #2 because of its Google rating and availability: 4.8★ from 2,209 Google reviews, open 24/7.

    • 4.8★ from 2,209 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1541 Riverside Dr., Ottawa, ON K1G 4E2
    View profile for John The Plumber(613) 706-5315

  4. #4 B&W Plumbing

    Based in Ottawa, 1 km away

    91/100CR Score

    Ranked #4 because of its Google rating and availability: 5.0★ from 150 Google reviews, open 24/7.

    • 5.0★ from 150 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    50 Cleopatra Dr, Ottawa, ON K2G 0B3
    View profile for B&W Plumbing(613) 880-1276

  9. #9 Plumbing Now

    Based in Ottawa, 6 km away

    90/100CR Score

    Ranked #9 because of its Google rating and availability: 4.8★ from 289 Google reviews, open 24/7.

    • 4.8★ from 289 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2487 Kaladar Ave #2120, Ottawa, ON K1V 8B9
    View profile for Plumbing Now(613) 800-9696

  18. #18 Canada Plumbing

    Based in Ottawa, 17 km away

    88/100CR Score

    Ranked #18 because of its Google rating and availability: 5.0★ from 177 Google reviews, open 24/7.

    • 5.0★ from 177 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5330 Canotek Rd Unit 22, Ottawa, ON K1J 9C1
    View profile for Canada Plumbing(613) 890-7700

  19. #19 Offset Plumbing

    Based in Ottawa, 8 km away

    88/100CR Score

    Ranked #19 because of its Google rating and availability: 5.0★ from 82 Google reviews, open 24/7.

    • 5.0★ from 82 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    164 First Ave, Ottawa, ON K1S 2G4
    View profile for Offset Plumbing(613) 703-9749

  23. #23 Its Plumbing

    Based in Ottawa, 5 km away

    88/100CR Score

    Ranked #23 because of its Google rating and availability: 4.9★ from 70 Google reviews, open 24/7.

    • 4.9★ from 70 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1680 Woodward Dr Unit 206, Ottawa, ON K2C 3R7
    View profile for Its Plumbing(343) 500-1109

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

plumbers in Nepean, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26John The Plumber884.8★ (401)In Nepean
27John The Plumber884.8★ (412)In Nepean
28Hani Plumbing Services885.0★ (27)In Nepean
29Out of This World Plumbing874.9★ (111)14 km
30Platinum FloXpress Plumbing and Heating875.0★ (36)7 km
31Environmental Plumbing874.8★ (276)23 km
32Anchor Home Comfort874.9★ (3,646)12 km
33John The Plumber874.9★ (412)12 km
34The Irish Plumber864.8★ (88)14 km
35The Good Plumber Le Bon Plombier Incorporated865.0★ (55)16 km
36613 Plumbing865.0★ (61)19 km
37OttaWater Plumbing inc.865.0★ (11)In Nepean
38Enercare864.7★ (5,672)9 km
39DrainPro854.8★ (86)In Nepean
40John The Plumber854.9★ (255)14 km
41Summit Drain & Plumbing Ottawa855.0★ (123)13 km
42Tourangeau Mechanical855.0★ (16)12 km
43Enercare854.8★ (2,654)16 km
44Ottawa Plumbing and Heating854.1★ (89)In Nepean
45Superior Plumbing & Heating of Gatineau854.6★ (67)16 km
46John The Plumber Orleans854.8★ (626)23 km
47Bell Plumbing844.7★ (42)18 km
48S & R Plumbing Service844.6★ (131)23 km
49Zibi Plumbing845.0★ (9)9 km
50Pennex Backflow Prevention & Plumbing844.8★ (12)10 km

Also serving Nepean

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 Nepean
BusinessGoogle ratingDistance
ABC Plumbing & Heating3.0★ (2)25 km
BIG4GUVENIn Nepean
Foster & Co Plumbing5.0★ (2)11 km
Frank's Plumbing4.5★ (2)22 km
GFL Environmental (Formerly Drain-All)3.9★ (37)11 km
Interprovincial Plumbing & Heating Ltd5.0★ (1)13 km
Johnny’s Plumbing4.0★ (16)11 km
Masterson Mechanical Inc.4.0★ (28)11 km
MJ HandymanIn Nepean
MJ XPress Plumbing5.0★ (2)13 km
Offset Plumbing5.0★ (1)In Nepean
Popo Plumbing / Plomberie5.0★ (2)20 km
RTP Plumbing Inc.5.0★ (2)10 km
Safari Plumbing Ltd.In Nepean
Superior Plumbing & Heating of Ottawa4.6★ (14)11 km
T&M Plumbing & Heating Inc.3.0★ (2)29 km
Tech 2000 Plumbing & Heating5.0★ (1)1 km
Ted's Plumbing & Heating5.0★ (1)13 km
The Anything Guys Inc.4.8★ (35)In Nepean
The Irish Plumber3.5★ (2)In Nepean

How much do plumbers cost in Nepean?

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

How much do plumbers cost in Nepean?
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 Nepean plumbers

We scored 158 Nepean 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 Nepean 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 Nepean: frequently asked questions

Who is the best plumber in Nepean?

By CR Score, the highest-ranked plumber in Nepean, ON is Out Of This World Plumbing Ottawa with a CR Score of 93/100. It has 4.8★ from 1,112 Google reviews. It is open 24/7. John The Plumber (#2) and The Irish Plumber (#3) follow. We ranked 158 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Nepean?

ContractorsRanked ranks 158 plumbers serving Nepean, ON. 12 of them are based in Nepean; 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 Nepean are open 24/7?

71 ranked plumbers in Nepean post 24/7 hours. The highest-ranked are Out Of This World Plumbing Ottawa (#1), John The Plumber (#2) and The Irish Plumber (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Nepean work on weekends?

99 of 158 ranked plumbers post Saturday hours and 88 post Sunday hours. The highest-ranked open Saturdays are Out Of This World Plumbing Ottawa (#1), John The Plumber (#2) and The Irish Plumber (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does water heater replacement cost in Nepean?

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

What Google rating do Nepean plumbers have?

The median Google rating among 158 rated plumbers in Nepean is 4.9★, with a median of 36 reviews. Reliance Holmes Ottawa Heating, Air Conditioning & Plumbing has the most, 8,352 reviews, and ranks #16. 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 Nepean count in this ranking?

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

  1. October 2026: CR Scores recalculated for 158 plumbers serving Nepean.

More plumbers and Nepean pages

Other trades in Nepean