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ContractorsRanked

Best Plumbers in Washington, D.C., DC (2026)

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

The short answer

  1. 1

    Best overall in Washington, D.C.: Roto-Rooter Plumbing & Water Cleanup, CR Score 93/100; 4.8★ from 2,719 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Cardinal Plumbing Heating & Air Inc, posts 24/7 hours; ranked #2 of 820.

  3. 38

    Most-reviewed: Len The Plumber Heating & Air, LLC, 8,136 Google reviews at 4.6★, the most of 820 ranked; ranked #38.

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

820 Washington, D.C. plumbers are ranked here by CR Score, from 8 published factors. 314 are open 24/7, 544 open Saturdays and 418 open Sundays, based on posted hours. The median Google rating is 4.9★ across 820 rated businesses.

Top 10 plumbers in Washington, D.C. at a glance

Top 10 plumbers in Washington, D.C. at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Roto-Rooter Plumbing & Water Cleanup934.8★ (2,719)Washington, D.C.24/7Overall
2Cardinal Plumbing Heating & Air Inc924.9★ (1,720)Alexandria, 6 mi away24/7Emergencies
3The Drain Fighter - Jetting & Drain Cleaning924.9★ (484)Washington, D.C.24/7—
4District Capital Services LLC914.9★ (269)Washington, D.C.24/7—
5Len the Plumber Heating & Air, LLC914.7★ (6,899)Alexandria, 11 mi away24/7—
6Roto-Rooter Plumbing & Water Cleanup914.9★ (571)Arlington, 5 mi away24/7—
7John C. Flood904.8★ (408)Washington, D.C.24/7—
8Cherry Blossom Plumbing904.9★ (453)Arlington, 5 mi away24/7—
9Roto-Rooter Plumbing & Water Cleanup904.8★ (1,211)Bethesda, 7 mi away24/7—
10Brian B. Quick Plumbing904.9★ (1,368)Beltsville, 11 mi away24/7—

The 820 best plumbers in Washington, D.C., 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.

  7. #7 John C. Flood

    Based in Washington, D.C.

    90/100CR Score

    Ranked #7 because of its Google rating and availability: 4.8★ from 408 Google reviews, open 24/7.

    • 4.8★ from 408 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4419 41st St, Brentwood, MD 20722
    View profile for John C. Flood(301) 962-2319

  14. #14 Haynes Plumbing

    Based in Washington, D.C.

    89/100CR Score

    Ranked #14 because of its Google rating and availability: 4.8★ from 201 Google reviews, open 24/7.

    • 4.8★ from 201 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1521 S St NW, Washington, DC 20009
    View profile for Haynes Plumbing(202) 588-1884

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

plumbers in Washington, D.C., ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Astro Plumbing incorporated875.0★ (223)14 mi
27Essential Plumbing and Electric875.0★ (121)10 mi
28Roto-Rooter Plumbing & Water Cleanup874.8★ (2,383)22 mi
29Bargain Plumbing of NOVA875.0★ (206)15 mi
30Home Service Pros - Quality Sewer & Drain875.0★ (181)14 mi
31Emerald Plumbing Co.874.7★ (159)6 mi
32JP Plumbing Solutions LLC874.9★ (498)18 mi
33O'Neill Plumbing Services L.L.C.874.7★ (256)9 mi
34The Secret Plumber875.0★ (69)8 mi
35Hicks Plumbing Services874.8★ (338)13 mi
36Home Service Pros - Quality Sewer & Drain874.8★ (80)5 mi
37OHA HVAC, Plumbing, Chimney & Fireplaces874.9★ (1,794)10 mi
38Len The Plumber Heating & Air, LLC874.6★ (8,136)8 mi
39Morgal Plumbing, Sewer & Water Line Repair875.0★ (41)5 mi
40Roto-Rooter Plumbing & Water Cleanup874.9★ (1,116)8 mi
41MoCo Plumbing, LLC865.0★ (482)22 mi
42Problem Solvers Plumbing865.0★ (50)7 mi
43Sila Heating, Air Conditioning & Plumbing864.8★ (295)In Washington, D.C.
44STAR PLUMBING AND DRAIN LLC864.9★ (58)8 mi
45Better Plumbing Co864.9★ (432)20 mi
46AG Services – Electrical, Air Conditioning, Heating & Plumbing864.9★ (440)7 mi
47Roto-Rooter Plumbing & Water Cleanup864.9★ (184)17 mi
48Twin Plumbing Solutions865.0★ (85)14 mi
49Neptune's Plumbing865.0★ (101)3 mi
50AdamsDrainCleaning854.8★ (29)4 mi

Also serving Washington, D.C.

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 Washington, D.C.
BusinessGoogle ratingDistance
ACW Service Inc.5.0★ (491)19 mi
Airway Climatrol Refrigeration5.0★ (1)In Washington, D.C.
All Clear Plumbing & Drain Service, LLC4.8★ (547)17 mi
All Plumbing Inc.4.2★ (125)In Washington, D.C.
All State Plumbing Heating & CoolingIn Washington, D.C.
BK Plumbing4.9★ (283)10 mi
Classic Drainage Inc.5.0★ (2)8 mi
Conrod's Plumbing Heating and A/C5.0★ (2)7 mi
First Class Plumbing2.5★ (2)7 mi
G&M Landscaping Services4.5★ (2)7 mi
Heitmuller Plumbing & HeatingIn Washington, D.C.
Jackson PlumbingIn Washington, D.C.
M Miller Plumbing & HeatingIn Washington, D.C.
Mc Lean Plumbing Services3.0★ (2)5 mi
New Way Plumbing LLC5.0★ (2)6 mi
Philios Plumbing & Drains5.0★ (2)7 mi
Pipeworks Plumbing & Drain Service near Washington, DCIn Washington, D.C.
Sigma Plumbing Mechanical Contractors LLC5.0★ (1)In Washington, D.C.
Washington DC PlumberIn Washington, D.C.
WH Professional Plumbing Services5.0★ (2)7 mi

How much do plumbers cost in Washington, D.C.?

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

How much do plumbers cost in Washington, D.C.?
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 District of Columbia

In District of Columbia, DC Board of Industrial Trades (Department of Licensing and Consumer Protection) licenses Plumber licenses.

  1. Check that the status is active and the name matches the contract or truck.
  2. 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 Washington, D.C. plumbers

We scored 820 Washington, D.C. 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 Washington, D.C. 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 Washington, D.C.: frequently asked questions

Who is the best plumber in Washington, D.C.?

By CR Score, the highest-ranked plumber in Washington, D.C., DC is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 93/100. It has 4.8★ from 2,719 Google reviews. It is open 24/7. Cardinal Plumbing Heating & Air Inc (#2) and The Drain Fighter - Jetting & Drain Cleaning (#3) follow. We ranked 820 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Washington, D.C.?

ContractorsRanked ranks 820 plumbers serving Washington, D.C., DC. 7 of them are based in Washington, D.C.; 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 Washington, D.C. are open 24/7?

314 ranked plumbers in Washington, D.C. post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), Cardinal Plumbing Heating & Air Inc (#2) and The Drain Fighter - Jetting & Drain Cleaning (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Washington, D.C. work on weekends?

544 of 820 ranked plumbers post Saturday hours and 418 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Cardinal Plumbing Heating & Air Inc (#2) and The Drain Fighter - Jetting & Drain Cleaning (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check a plumber's license in District of Columbia?

In District of Columbia, DC Board of Industrial Trades (Department of Licensing and Consumer Protection) handles licensing and covers Plumber licenses.

How much does water heater replacement cost in Washington, D.C.?

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 Washington, D.C.. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Washington, D.C. plumbers have?

The median Google rating among 820 rated plumbers in Washington, D.C. is 4.9★, with a median of 32 reviews. Len The Plumber Heating & Air, LLC has the most, 8,136 reviews, and ranks #38. 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 Washington, D.C.

  1. October 2026: CR Scores recalculated for 820 plumbers serving Washington, D.C..
  2. October 2026: 8 duplicate listings merged.

More plumbers and Washington, D.C. pages

Plumbers near Washington, D.C.

Other trades in Washington, D.C.