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ContractorsRanked

Best Plumbers in New Castle, DE (2026)

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

The short answer

  1. 1

    Best overall in New Castle: Benjamin Franklin Plumbing of Wilmington DE, CR Score 94/100; 4.9★ from 3,042 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 269.

  3. 3

    Most-reviewed: Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical, 9,075 Google reviews at 4.8★, the most of 269 ranked; ranked #3.

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

269 New Castle plumbers are ranked here by CR Score, from 8 published factors. 111 are open 24/7, 155 open Saturdays and 131 open Sundays, based on posted hours. The median Google rating is 4.8★ across 269 rated businesses.

Top 10 plumbers in New Castle at a glance

Top 10 plumbers in New Castle at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Benjamin Franklin Plumbing of Wilmington DE944.9★ (3,042)Wilmington, 4 mi away24/7Overall
2Roto-Rooter Plumbing & Water Cleanup914.8★ (1,956)Newark, 8 mi away24/7Emergencies
3Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical904.8★ (9,075)Wilmington, 6 mi away24/7Most reviews
4Roto-Rooter Plumbing & Water Cleanup904.8★ (871)Wilmington, 9 mi away24/7—
5F.H. Furr Plumbing, Heating, Air Conditioning & Electrical894.8★ (2,115)New Castle24/7—
6Harris Plumbing, Heating, Air & Electrical894.8★ (1,753)New Castle24/7—
7Len The Plumber Heating & Air, LLC894.6★ (5,486)Philadelphia, 15 mi away24/7—
8Priority Plumbing & Drain885.0★ (96)Bear, 7 mi away24/7—
9Zoom Drain South Jersey884.9★ (1,220)Paulsboro, 22 mi away24/7—
10Air Temp Solutions - AC Repair, Heating Repair, Water Heater Repair & Plumbing Newark DE874.9★ (2,030)Newark, 10 mi away24/7—

The 269 best plumbers in New Castle, 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 Done Right Today

    Based in Wilmington, 5 mi away

    87/100CR Score

    Ranked #11 because of its Google rating and availability: 5.0★ from 2,228 Google reviews, open 24/7.

    • 5.0★ from 2,228 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    19 Germay Dr, Wilmington, DE 19804
    View profile for Done Right Today(302) 433-6273

  16. #16 Zoom Drain

    Based in Drexel Hill, 21 mi away

    87/100CR Score

    Ranked #16 because of its Google rating and availability: 4.9★ from 512 Google reviews, open 24/7.

    • 4.9★ from 512 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Zoom Drain(215) 716-1208

  21. #21 Zoom Drain

    Based in West Chester, 24 mi away

    86/100CR Score

    Ranked #21 because of its Google rating and availability: 5.0★ from 439 Google reviews, open 24/7.

    • 5.0★ from 439 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Zoom Drain(610) 486-5790

  23. #23 Zoom Drain

    Based in Bear, 8 mi away

    86/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 334 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 334 Google reviews
    Hours
    Mon–Fri 7 AM–9 PM · Sat–Sun 8 AM–4 PM
    Address
    110 Carson Dr, Bear, DE 19701
    View profile for Zoom Drain(302) 200-4266

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

plumbers in New Castle, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26SEPA Backflow LLC865.0★ (350)12 mi
27Advanced Drains And Underground Solutions864.8★ (736)23 mi
28Maichle's Heating and Air Conditioning864.9★ (642)In New Castle
29Harris Plumbing, Heating, Air & Electrical864.9★ (3,594)20 mi
30Roto-Rooter Plumbing & Water Cleanup854.8★ (373)20 mi
31P&A Plumbing & Drain Cleaning855.0★ (202)24 mi
32Chesco Plumbing855.0★ (134)22 mi
33Christian Heating, Cooling, Plumbing & Electrical854.9★ (3,146)23 mi
34Mattioni Plumbing, Heating & Cooling855.0★ (477)15 mi
35MVP Plumbing Repair, Water Filtration & Softeners855.0★ (182)24 mi
36SUPREME PLUMBING SERVICES855.0★ (6)2 mi
37Sobieski Inc.854.7★ (5,666)9 mi
38Mr. Rooter Plumbing of Middletown854.9★ (88)18 mi
39Triton Services845.0★ (466)7 mi
40Cooper Septic llc845.0★ (38)16 mi
41Boulden Brothers844.8★ (2,510)11 mi
42Pipeline Drain Cleaning844.9★ (44)17 mi
43Stay True Plumbing844.4★ (29)8 mi
44The Water Heater Company- Plumber in Newark, DE845.0★ (61)8 mi
45Drip Plumbing Services, LLC845.0★ (5)5 mi
46Castle Plumbing Services844.4★ (13)7 mi
47Plumbing First845.0★ (184)17 mi
48Mr. Rooter Plumbing834.8★ (122)22 mi
49Budget Rooter Plumbing & Drain Cleaning834.5★ (74)In New Castle
50Forrest Plumbing & Drain835.0★ (44)22 mi

Also serving New Castle

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 New Castle
BusinessGoogle ratingDistance
Advanced Drains And Underground Solutions5.0★ (2)23 mi
Almark Services LLC5.0★ (2)15 mi
Bartkowski Builders5.0★ (2)20 mi
Christiana Mechanical, Inc.3.5★ (2)17 mi
Done Right TodayIn New Castle
Hayner Plumbing Services4.9★ (31)20 mi
Horizon Services - Air Conditioning, Heating, Plumbing & Electrical4.5★ (299)7 mi
Howell Edward P Inc3.0★ (2)18 mi
Keystone Marble and Granite4.8★ (155)In New Castle
Kokoszka & Sons5.0★ (2)In New Castle
LIAM Services5.0★ (979)In New Castle
Madison Plumbing LLC5.0★ (2)6 mi
Mr Rooter Plumbing4.9★ (150)20 mi
R F Bondurant Plumbing & Heating4.9★ (398)20 mi
Restaneo Brothers Plumbing5.0★ (2)12 mi
Russo Plumbing Contractors Llc5.0★ (2)15 mi
Shields & Sons Inc1.0★ (2)4 mi
Watson Plumbing & Heating Inc.5.0★ (2)15 mi
Working Pipes Plumbing3.0★ (2)15 mi
Wrench Plumbing3.7★ (3)6 mi

How much do plumbers cost in New Castle?

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

How much do plumbers cost in New Castle?
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 Delaware

In Delaware, Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners licenses Plumbing work: water supply, drain, waste and vent piping and fixtures.

  1. Search the business name or license number on the Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners 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 New Castle plumbers

We scored 269 New Castle 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 New Castle 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 New Castle: frequently asked questions

Who is the best plumber in New Castle?

By CR Score, the highest-ranked plumber in New Castle, DE is Benjamin Franklin Plumbing of Wilmington DE with a CR Score of 94/100. It has 4.9★ from 3,042 Google reviews. It is open 24/7. Roto-Rooter Plumbing & Water Cleanup (#2) and Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical (#3) follow. We ranked 269 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in New Castle?

ContractorsRanked ranks 269 plumbers serving New Castle, DE. 4 of them are based in New Castle; 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 New Castle are open 24/7?

111 ranked plumbers in New Castle post 24/7 hours. The highest-ranked are Benjamin Franklin Plumbing of Wilmington DE (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in New Castle work on weekends?

155 of 269 ranked plumbers post Saturday hours and 131 post Sunday hours. The highest-ranked open Saturdays are Benjamin Franklin Plumbing of Wilmington DE (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check a plumber's license in Delaware?

In Delaware, Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners handles licensing and covers Plumbing work: water supply, drain, waste and vent piping and fixtures. Search the business or license number at https://delpros.delaware.gov/OH_VerifyLicense.

How much does water heater replacement cost in New Castle?

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

What Google rating do New Castle plumbers have?

The median Google rating among 269 rated plumbers in New Castle is 4.8★, with a median of 25 reviews. Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical has the most, 9,075 reviews, and ranks #3. 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 New Castle

  1. October 2026: CR Scores recalculated for 269 plumbers serving New Castle.
  2. October 2026: 1 duplicate listing merged.

More plumbers and New Castle pages

Other trades in New Castle