Skip to content
ContractorsRanked

Best Plumbers in Darien, CT (2026)

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

The short answer

  1. 1

    Best overall in Darien: Roto-Rooter Plumbing & Water Cleanup, CR Score 66/100; 4.7★ from 2,274 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Valerio Plumbing, posts 24/7 hours; ranked #2 of 723.

  3. 10

    Most-reviewed: Roto-Rooter Plumbing & Water Cleanup, 1,825 Google reviews at 4.8★, the most of 723 ranked after Roto-Rooter Plumbing & Water Cleanup; ranked #10.

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

723 Darien plumbers are ranked here by CR Score, from ten published factors. 292 are open 24/7, 460 open Saturdays and 351 open Sundays, based on posted hours. The median Google rating is 4.9★ across 723 rated businesses.

Top 10 plumbers in Darien at a glance

Top 10 plumbers in Darien at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Roto-Rooter Plumbing & Water Cleanup664.7★ (2,274)Stamford, 3 mi away24/7Overall
2Valerio Plumbing644.9★ (176)Darien24/7Emergencies
3Zoom Drain634.8★ (149)Stamford, 2 mi away24/7—
4Roto-Rooter Plumbing & Water Cleanup624.8★ (1,070)Mamaroneck, 17 mi away24/7—
5Bertola Plumbing & Heating625.0★ (570)Trumbull, 18 mi away24/7—
6Roto-Rooter Plumbing & Water Cleanup624.8★ (1,306)Stratford, 18 mi away24/7—
71-Tom-Plumber625.0★ (1,133)Farmingdale, 23 mi away24/7—
8Rick's Plumbing Service, Inc.625.0★ (1,157)Milford, 23 mi away24/7—
9Roto-Rooter Plumbing & Water Cleanup624.8★ (648)White Plains, 16 mi away24/7—
10Roto-Rooter Plumbing & Water Cleanup624.8★ (1,825)Farmingdale, 23 mi away24/7Most reviews

The 723 best plumbers in Darien, 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 Zoom Drain

    Based in Stamford, 2 mi away

    63/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.8★ from 149 Google reviews, listed on Google as “Plumber”.

    • 4.8★ from 149 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    130 Lenox Ave, Stamford, CT 06906
    View profile for Zoom Drain(203) 208-6830

  7. #7 1-Tom-Plumber

    Based in Farmingdale, 23 mi away

    62/100CR Score

    Ranked #7 because of its Google rating and trade focus: 5.0★ from 1,133 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 1,133 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    52 Central Dr, Farmingdale, NY 11735
    View profile for 1-Tom-Plumber(631) 532-8441

  12. #12 Backflow Joe's

    Based in Greenburgh, 17 mi away

    61/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 329 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 329 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Backflow Joe's(845) 590-6771

  20. #20 The Drain King

    Based in Bridgeport, 15 mi away

    61/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.9★ from 228 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 228 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for The Drain King(203) 997-3305

  21. #21 Clear Drains LLC

    Based in Greenwich, 9 mi away

    61/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 78 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 78 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    19 Edgewood Dr, Greenwich, CT 06831
    View profile for Clear Drains LLC(203) 585-8533

  23. #23 All Star Rooter

    Based in Norwalk, 6 mi away

    61/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 53 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 53 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9 Shadow Ln, Norwalk, CT 06851
    View profile for All Star Rooter(203) 286-4498

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

plumbers in Darien, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26United Sewer & Water, LLC.605.0★ (31)3 mi
27LED plumbing Services605.0★ (18)In Darien
28Roto-Rooter Plumbing & Water Cleanup604.8★ (731)22 mi
29Mr. Rooter Plumbing of Long Island604.7★ (1,488)24 mi
30Mr. Rooter Plumbing of Southern Fairfield County604.9★ (722)25 mi
31A & B Plumbing605.0★ (138)16 mi
32DC NY Sewer and Mechanical605.0★ (108)14 mi
33Atomic Rooter Plumbing Sewer & Drain Cleaning605.0★ (20)4 mi
34Duranko Plumbing LLC594.9★ (209)19 mi
35Atomic Rooter - Plumbing, Sewer & Drain Cleaning594.8★ (25)5 mi
36Connecticut Sewer Rooter & Drain Cleaning594.9★ (171)19 mi
37Pipe Wizard594.8★ (478)23 mi
38Rooter Man Long Island594.9★ (338)23 mi
39Roto-Rooter Plumbing & Water Cleanup594.8★ (360)21 mi
40Emergency Sewer & Drain Service, Inc.594.9★ (111)16 mi
41JMK Plumbing & Heating LLC595.0★ (9)In Darien
42ABS Plumbing594.9★ (121)17 mi
43Perry's Plumbing & Heating, Inc.594.9★ (329)24 mi
44Royal Sewer&Drain Service LLC595.0★ (16)4 mi
45FAIRCONN Plumbing And Heating LLC595.0★ (101)3 mi
46Mikey Drains595.0★ (38)11 mi
47Pickwick Plumbing & Heating595.0★ (297)11 mi
48HS Drains LLC. 24/7 Emergency Sewer, Plumber Drain Cleaning Services Camera Inspection595.0★ (65)15 mi
49Kelly's Pump Service LLC595.0★ (130)20 mi
50MC Drain & Plumbing595.0★ (82)17 mi

Also serving Darien

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 Darien
BusinessGoogle ratingDistance
A-1 Atomic Rooter & Son Inc5.0★ (2)8 mi
Advanced Rooter Plumbing4.4★ (27)3 mi
Atomic Rooter Plumbing Sewer and Drain Cleaning5.0★ (2)4 mi
Bob Riith Jr Plumbing & Heating5.0★ (2)2 mi
Father & Son Plumbing & Heating3.0★ (2)3 mi
Greenwich Landscape Contracting3.0★ (2)9 mi
Grimm’s Plumbing Services LLC5.0★ (51)4 mi
Hilltop Plumbing & Heating3.0★ (2)5 mi
JP's Plumbing and Heating, LLC4.5★ (2)In Darien
Kevin Simpson Plumbing, LLC.5.0★ (2)3 mi
NYHandymanNow.com3.5★ (2)14 mi
Pdq Plumbing & Heating5.0★ (2)13 mi
PIPELINE PLUMBING LLC5.0★ (2)4 mi
Plumbing Service Norwalk CTIn Darien
Premium Sewer & Drain3.0★ (2)13 mi
Sam's Septic Cleaning3.0★ (2)2 mi
Sila Heating, Air Conditioning, Plumbing & Electrical4.8★ (1,821)16 mi
Snake The Drain - Plumbing & Drain Services4.9★ (472)18 mi
Surwilo Contracting Co4.5★ (2)4 mi
Warco Plumbing & Heating Inc5.0★ (2)3 mi

How much do plumbers cost in Darien?

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

How much do plumbers cost in Darien?
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 Connecticut

In Connecticut, Connecticut Department of Consumer Protection licenses Plumbing work: water supply, drain, waste and vent piping and fixtures.

  1. Search the business name or license number on the Connecticut Department of Consumer Protection 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 Darien plumbers

We scored 723 Darien 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 Darien 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 Darien: frequently asked questions

Who is the best plumber in Darien?

By CR Score, the highest-ranked plumber in Darien, CT is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 66/100. It has 4.7★ from 2,274 Google reviews. It is open 24/7. Valerio Plumbing (#2) and Zoom Drain (#3) follow. We ranked 723 plumbers on ten factors, last updated October 22, 2026.

How many plumbers are there in Darien?

ContractorsRanked ranks 723 plumbers serving Darien, CT. 4 of them are based in Darien; 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 Darien are open 24/7?

292 ranked plumbers in Darien post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), Valerio Plumbing (#2) and Zoom Drain (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Darien work on weekends?

460 of 723 ranked plumbers post Saturday hours and 351 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Valerio Plumbing (#2) and Zoom Drain (#3). Posted hours are office hours; crews may book weekend jobs separately.

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

In Connecticut, Connecticut Department of Consumer Protection handles licensing and covers Plumbing work: water supply, drain, waste and vent piping and fixtures. Search the business or license number at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx.

How much does water heater replacement cost in Darien?

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

What Google rating do Darien plumbers have?

The median Google rating among 723 rated plumbers in Darien is 4.9★, with a median of 17 reviews. Roto-Rooter Plumbing & Water Cleanup has the most, 2,274 reviews, and ranks #1. 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 Darien

  1. October 2026: CR Scores recalculated for 723 plumbers serving Darien.
  2. October 2026: 6 duplicate listings merged.

More plumbers and Darien pages

Other trades in Darien