63/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 722 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 722 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2145 Nottingham Way, Trenton, NJ 08619
Best Plumbers in Princeton, NJ (2026)
578 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Princeton: J & D Plumbing & Heating, CR Score 63/100; 5.0★ from 722 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #2 of 578.
- 33
Most-reviewed: Arctic Air Conditioning, 9,474 Google reviews at 4.9★, the most of 578 ranked; ranked #33.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
578 Princeton plumbers are ranked here by CR Score, from ten published factors. 239 are open 24/7, 401 open Saturdays and 305 open Sundays, based on posted hours. The median Google rating is 4.8★ across 578 rated businesses.
Top 10 plumbers in Princeton at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | J & D Plumbing & Heating | 63 | 5.0★ (722) | Trenton, 8 mi away | 24/7 | Overall |
| 2 | Roto-Rooter Plumbing & Water Cleanup | 63 | 4.8★ (789) | Mercerville, 7 mi away | 24/7 | Emergencies |
| 3 | Roto-Rooter Plumbing & Water Cleanup | 62 | 4.8★ (1,583) | Somerset, 12 mi away | 24/7 | — |
| 4 | Drain King | 62 | 4.9★ (237) | Dayton, 5 mi away | 24/7 | — |
| 5 | Len The Plumber Heating & Air, LLC | 62 | 4.8★ (722) | Jamesburg, 10 mi away | 24/7 | — |
| 6 | Roto-Rooter Plumbing & Water Cleanup | 61 | 4.9★ (652) | Princeton | 24/7 | — |
| 7 | Danley 911 Home Services Heating, Cooling, Plumbing & Electrical | 61 | 4.9★ (3,162) | Dayton, 10 mi away | 24/7 | — |
| 8 | Grade A Plumbing, Inc | 60 | 4.6★ (82) | Princeton | 24/7 | — |
| 9 | Faster Drain Cleaning LLC | 60 | 5.0★ (208) | Trenton, 13 mi away | 24/7 | — |
| 10 | Roto-Rooter Plumbing & Water Cleanup | 60 | 4.8★ (1,630) | Bristol, 20 mi away | 24/7 | — |
The 578 best plumbers in Princeton, 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.
Based in Mercerville, 7 mi away
63/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 789 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 789 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3525 Quakerbridge Rd Ste 6500, Hamilton Township, NJ 08619
Based in Somerset, 12 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 1,583 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,583 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 80 Veronica Ave #100, Somerset, NJ 08873
#4 Drain King
Based in Dayton, 5 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 237 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 237 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Jamesburg, 10 mi away
62/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 722 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 722 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1095 Cranbury - South River Rd Suite 4, Jamesburg, NJ 08831
Based in Princeton
61/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 652 Google reviews.
- 4.9★ from 652 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7-9, Pleasant Hill Rd, Cranbury, NJ 08512
Based in Dayton, 10 mi away
61/100CR ScoreRanked #7 because of its Google rating and review volume: 4.9★ from 3,162 Google reviews.
- 4.9★ from 3,162 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1095 Cranbury - South River Rd Suite 10, Monroe Township, NJ 08831
Based in Princeton
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.6★ from 82 Google reviews, listed on Google as “Plumber”.
- 4.6★ from 82 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 51 Everett Dr, West Windsor Township, NJ 08550
Based in Trenton, 13 mi away
60/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 208 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 208 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Bristol, 20 mi away
60/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 1,630 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,630 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2554 Ford Rd, Bristol, PA 19007
Based in Morrisville, 12 mi away
60/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 287 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 287 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 377 McKinley Ave, Morrisville, PA 19067
#12 Davis Plumbing
Based in Burlington, 23 mi away
60/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 2,109 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 2,109 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4491 US-130, Burlington, NJ 08016
Based in Dayton, 7 mi away
60/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 80 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 80 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 582 Ridge Rd, Monmouth Junction, NJ 08852
Based in Old Bridge, 16 mi away
60/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 578 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 578 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 36 Old Matawan Rd, Old Bridge, NJ 08857
Based in Horsham, 16 mi away
59/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 207 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 207 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in East Brunswick, 14 mi away
59/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 132 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 132 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Mercerville, 7 mi away
59/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 54 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 54 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- Hamilton Township, NJ 08619
Based in East Brunswick, 4 mi away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 124 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 124 Google reviews
- Hours
- Mon–Fri 8 AM–8 PM · Sat–Sun 8 AM–4 PM
Based in Bedminster, 21 mi away
59/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 541 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 541 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 295 US-22 #102W, White House Station, NJ 08889
Based in Freehold, 18 mi away
59/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 310 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 310 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5 Tall Woods Dr, Manalapan Township, NJ 07726
#21 Hadley Plumbing
Based in Princeton Meadows, 4 mi away
59/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 24 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 101 Morgan Ln suite 306, Plainsboro Township, NJ 08536
Based in Bedminster, 13 mi away
59/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 90 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 90 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in East Brunswick, 14 mi away
59/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 134 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 134 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Princeton
59/100CR ScoreRanked #24 because of its Google rating and review volume: 4.7★ from 2,172 Google reviews.
- 4.7★ from 2,172 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 39 Everett Dr #4, Princeton Junction, NJ 08550
Based in Dunellen, 19 mi away
59/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 326 Google reviews, listed on Google as “Drainage service”.
- 4.9★ from 326 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 530 A, South Ave, Dunellen, NJ 08812
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 578 ranked plumbers here; the rest are on their profiles.
Also serving Princeton
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.
| Business | Google rating | Distance |
|---|---|---|
| Aaaaaa-1 Services Water Works | 5.0★ (2) | 14 mi |
| Ace Mechanical | 4.3★ (155) | 9 mi |
| Allied Home Services LLC | 5.0★ (75) | 19 mi |
| B. Pizzolato Plumbing & Heating | 5.0★ (2) | 10 mi |
| Barboni Plumbing & Heating LLC | 5.0★ (2) | 16 mi |
| Bradley Heating & Air | 5.0★ (8) | In Princeton |
| Dun-Rite Plumbing & Heating Inc | 3.0★ (2) | 14 mi |
| G H Keller & Son | In Princeton | |
| Gold Medal Service - Air Conditioning, Heating, Plumbing, & Electrical | 4.4★ (5,625) | 14 mi |
| Jefferson Bath & Kitchen | 5.0★ (4) | In Princeton |
| Mc Mullen's Plumbing & Drain | 4.5★ (2) | 10 mi |
| Metaxas Plumbing & Heating | 3.0★ (2) | 14 mi |
| Padula Brothers Plumbing & Heating | 5.0★ (2) | 17 mi |
| Pipe Craft Inc. | 3.7★ (3) | In Princeton |
| Plumb-Rite Plumbing & Heating | 4.8★ (175) | 21 mi |
| Power Cool Inc | 5.0★ (2) | 16 mi |
| Primo Plumbing LLC | 5.0★ (2) | In Princeton |
| Sample Service Company | 5.0★ (2) | 15 mi |
| Skylight Roofing & Restoration | 4.9★ (150) | In Princeton |
| Van Horn Plumbing Design | 5.0★ (2) | 15 mi |
How much do plumbers cost in Princeton?
National price ranges in USD, not adjusted for Princeton. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Water heater replacement | $882 | $1,348 | $1,826 | Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 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.
- Search the business name or license number on the New Jersey State Board of Examiners of Master Plumbers license lookup.
- Check that the status is active and the name matches the contract or truck.
- 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 Princeton plumbers
We scored 578 Princeton 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.
| Factor | Weight | Computed from | In Princeton data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Plumbers in Princeton: frequently asked questions
Who is the best plumber in Princeton?
By CR Score, the highest-ranked plumber in Princeton, NJ is J & D Plumbing & Heating with a CR Score of 63/100. It has 5.0★ from 722 Google reviews. It is open 24/7. Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#3) follow. We ranked 578 plumbers on ten factors, last updated October 22, 2026.
How many plumbers are there in Princeton?
ContractorsRanked ranks 578 plumbers serving Princeton, NJ. 6 of them are based in Princeton; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which plumbers in Princeton are open 24/7?
239 ranked plumbers in Princeton post 24/7 hours. The highest-ranked are J & D Plumbing & Heating (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Princeton work on weekends?
401 of 578 ranked plumbers post Saturday hours and 305 post Sunday hours. The highest-ranked open Saturdays are J & D Plumbing & Heating (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#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 Princeton?
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 Princeton. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Princeton plumbers have?
The median Google rating among 578 rated plumbers in Princeton is 4.8★, with a median of 23 reviews. Arctic Air Conditioning has the most, 9,474 reviews, and ranks #33. 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.
Update log for Princeton
- October 2026: CR Scores recalculated for 578 plumbers serving Princeton.
More plumbers and Princeton pages
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Other trades in Princeton
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- All contractors in Princeton