Skip to content
ContractorsRanked

Best Plumbers in Iselin, NJ (2026)

1,546 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Iselin: PowerFlo Sewer Service, CR Score 92/100; 5.0★ from 1,092 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #2 of 1,546.

  3. 6

    Most-reviewed: Roto-Rooter Plumbing & Water Cleanup, 3,876 Google reviews at 4.8★, the most of 1,546 ranked; ranked #6.

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

1,546 Iselin plumbers are ranked here by CR Score, from 8 published factors. 745 are open 24/7, 1,118 open Saturdays and 903 open Sundays, based on posted hours. The median Google rating is 4.8★ across 1,546 rated businesses.

Top 10 plumbers in Iselin at a glance

Top 10 plumbers in Iselin at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1PowerFlo Sewer Service925.0★ (1,092)Staten Island, 10 mi away24/7Overall
2Roto-Rooter Plumbing & Water Cleanup914.9★ (625)Rahway, 3 mi away24/7Emergencies
3Good Tidings Plumbing Heating Cooling914.8★ (1,009)Clark, 4 mi away24/7—
4Roto-Rooter Plumbing & Water Cleanup914.8★ (758)Perth Amboy, 5 mi away24/7—
5Roto-Rooter Plumbing & Water Cleanup904.8★ (1,583)Somerset, 11 mi away24/7—
6Roto-Rooter Plumbing & Water Cleanup904.8★ (3,876)Jersey City, 18 mi away24/7Most reviews
7USA Jetting Drain Cleaning Corporation894.9★ (326)Dunellen, 8 mi away24/7—
8Command Plumbing Inc.894.9★ (140)Woodbridge, 3 mi away24/7—
9Accurate Plumbing and Well Service LLC895.0★ (207)Horsham, 9 mi away24/7—
10All Flow Sewer & Drain Service895.0★ (200)Maplewood, 10 mi away24/7—

The 1,546 best plumbers in Iselin, 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.

  23. #23 Flowfix Plumbing

    Based in Edison, 1 mi away

    88/100CR Score

    Ranked #23 because of its Google rating and availability: 5.0★ from 33 Google reviews, open 24/7.

    • 5.0★ from 33 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    343 Thornall St suite 815, Edison, NJ 08837
    View profile for Flowfix Plumbing(732) 743-7900

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 1,546 ranked plumbers here; the rest are on their profiles.

plumbers in Iselin, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Aladdin Plumbing Corp.874.9★ (764)20 mi
27Everclear Sewer & Drain Cleaning Staten Island875.0★ (101)10 mi
28All Pro Sewer & Drain Services875.0★ (61)7 mi
29Drain Jetters R Us LLC875.0★ (128)12 mi
30Maverick Drain Cleaners875.0★ (47)5 mi
31JVD Rooter874.9★ (129)5 mi
32AAA Sewer & Drain875.0★ (75)9 mi
33Garden State Water Heaters874.8★ (185)10 mi
34Len The Plumber Heating & Air, LLC874.8★ (722)17 mi
35Masters Plumbing NJ874.8★ (93)6 mi
36Metro Sewer Service LLC875.0★ (55)7 mi
37Royal Rooter and Drain Cleaning LLC875.0★ (738)24 mi
38O'Gorman Brothers Plumbing874.9★ (116)10 mi
39Freedom Plumbing Heating and Sewer Service LLC874.9★ (255)3 mi
40Roto-Rooter Plumbing & Water Cleanup874.9★ (177)13 mi
41Green Rooter And Drain Cleaning LLC875.0★ (104)13 mi
42Plumbing Sewer & Drain Service875.0★ (55)8 mi
43Bob's Plumbing & Heating874.9★ (147)1 mi
4424 Hr. Emergency Plumbing, Hot Water Heater & Boiler Replacement874.9★ (589)21 mi
45RR Plumbing Roto-Rooter874.8★ (1,275)22 mi
46Roto-Rooter Plumbing & Water Cleanup874.8★ (585)18 mi
47Savino Jr Plumbing and Heating,LLC875.0★ (107)8 mi
48Success Sewer & Drain Cleaning875.0★ (326)21 mi
49Consider It Done Plumbing, Water Heaters, and Drain Cleaning865.0★ (333)22 mi
50Dion's Plumbing & Heating, LLC865.0★ (36)6 mi

Also serving Iselin

20 more plumbers within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked plumbers serving Iselin
BusinessGoogle ratingDistance
A-AAA Better Plumbing & Heating3.5★ (2)5 mi
Aaaaaa-1 Services Water Works5.0★ (2)10 mi
Advanced Land and Development LLC5.0★ (2)9 mi
Capital Contracting Plumbing & Heating Corporation4.8★ (105)10 mi
Chapman Bros. Plumbing, Heating and Air Conditioning4.8★ (732)6 mi
Corvelli Plumbing and Heating5.0★ (2)12 mi
Dun-Rite Plumbing & Heating Inc3.0★ (2)10 mi
Integrated construction & utilities4.8★ (61)7 mi
Jacinto Plumbing Heating5.0★ (2)12 mi
Land ProIn Iselin
Leave It to Weaver Handyman Services5.0★ (2)5 mi
Most Valuable Plumber5.0★ (2)3 mi
Plainfield Sewer & Drain Corporation1.5★ (2)9 mi
Quick handyman services of N Monmouth and E Middlesex Counties5.0★ (2)6 mi
Rooter-Man5.0★ (2)6 mi
Sales Piping Solutions5.0★ (2)9 mi
Sample Service Company5.0★ (2)10 mi
Supreme Plumbing Designs LLC5.0★ (2)5 mi
Van Horn Plumbing Design5.0★ (2)9 mi
Welding Masters5.0★ (2)3 mi

How much do plumbers cost in Iselin?

National price ranges in USD, not adjusted for Iselin. Each row names its basis and the month we checked it.

How much do plumbers cost in Iselin?
JobLowTypicalHighBasisChecked
Water heater replacement$882$1,348$1,826Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026

How to check a plumber's license in New Jersey

In New Jersey, New Jersey State Board of Examiners of Master Plumbers licenses Plumbing work: water supply, drain, waste and vent piping and fixtures.

  1. Search the business name or license number on the New Jersey State Board of Examiners of Master Plumbers license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. Ask for proof of insurance before work starts.

No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.

Guide checked October 2026. How we verify licenses

How we ranked Iselin plumbers

We scored 1,546 Iselin 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 Iselin 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 Iselin: frequently asked questions

Who is the best plumber in Iselin?

By CR Score, the highest-ranked plumber in Iselin, NJ is PowerFlo Sewer Service with a CR Score of 92/100. It has 5.0★ from 1,092 Google reviews. It is open 24/7. Roto-Rooter Plumbing & Water Cleanup (#2) and Good Tidings Plumbing Heating Cooling (#3) follow. We ranked 1,546 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Iselin?

ContractorsRanked ranks 1,546 plumbers serving Iselin, NJ. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which plumbers in Iselin are open 24/7?

745 ranked plumbers in Iselin post 24/7 hours. The highest-ranked are PowerFlo Sewer Service (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Good Tidings Plumbing Heating Cooling (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Iselin work on weekends?

1,118 of 1,546 ranked plumbers post Saturday hours and 903 post Sunday hours. The highest-ranked open Saturdays are PowerFlo Sewer Service (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Good Tidings Plumbing Heating Cooling (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check a plumber's license in New Jersey?

In New Jersey, New Jersey State Board of Examiners of Master Plumbers handles licensing and covers Plumbing work: water supply, drain, waste and vent piping and fixtures. Search the business or license number at https://newjersey.mylicense.com/verification/.

How much does water heater replacement cost in Iselin?

Water heater replacement typically costs $882 to $1,826, with $1,348 typical (Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Iselin. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Iselin plumbers have?

The median Google rating among 1,546 rated plumbers in Iselin is 4.8★, with a median of 20 reviews. Roto-Rooter Plumbing & Water Cleanup has the most, 3,876 reviews, and ranks #6. 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.

Update log for Iselin

  1. October 2026: CR Scores recalculated for 1,546 plumbers serving Iselin.
  2. October 2026: 4 duplicate listings merged.

More plumbers and Iselin pages

Other trades in Iselin