820 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in South Kensington: Roto-Rooter Plumbing & Water Cleanup, CR Score 64/100; 4.8★ from 2,719 Google reviews; open 24/7.
Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #2 of 820.
Most-reviewed: Len The Plumber Heating & Air, LLC, 8,136 Google reviews at 4.6★, the most of 820 ranked; ranked #13.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
820 South Kensington plumbers are ranked here by CR Score, from ten published factors. 300 are open 24/7, 535 open Saturdays and 403 open Sundays, based on posted hours. The median Google rating is 4.9★ across 820 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing & Water Cleanup | 64 | 4.8★ (2,719) | Washington, D.C., 7 mi away | 24/7 | Overall |
| 2 | Roto-Rooter Plumbing & Water Cleanup | 64 | 4.8★ (1,211) | Bethesda, 3 mi away | 24/7 | Emergencies |
| 3 | Brian B. Quick Plumbing | 63 | 4.9★ (1,368) | Beltsville, 9 mi away | 24/7 | — |
| 4 | Roto-Rooter Plumbing & Water Cleanup | 63 | 4.8★ (1,061) | Rockville, 6 mi away | 24/7 | — |
| 5 | Benjamin Franklin Plumbing of Silver Spring | 62 | 4.8★ (417) | Silver Spring, 1 mi away | 24/7 | — |
| 6 | Handyman At Your Command | 62 | 4.9★ (296) | Bethesda, 3 mi away | 24/7 | — |
| 7 | Cardinal Plumbing Heating & Air Inc | 62 | 4.9★ (1,720) | Alexandria, 15 mi away | 24/7 | — |
| 8 | Roto-Rooter Plumbing & Water Cleanup | 62 | 4.9★ (571) | Arlington, 9 mi away | 24/7 | — |
| 9 | Len the Plumber Heating & Air, LLC | 62 | 4.7★ (6,899) | Alexandria, 17 mi away | 24/7 | — |
| 10 | Len The Plumber Heating & Air, LLC | 62 | 4.8★ (1,053) | Beltsville, 10 mi away | 24/7 | — |
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.
Ranked #1 in South Kensington
Based in Washington, D.C., 7 mi away
Ranked #1 because of its Google rating and trade focus: 4.8★ from 2,719 Google reviews, listed on Google as “Plumber”.
Based in Bethesda, 3 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 1,211 Google reviews, listed on Google as “Plumber”.
Based in Beltsville, 9 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 1,368 Google reviews, listed on Google as “Plumber”.
Based in Rockville, 6 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 1,061 Google reviews, listed on Google as “Plumber”.
Based in Silver Spring, 1 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 417 Google reviews, listed on Google as “Plumber”.
Based in Bethesda, 3 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 296 Google reviews, listed on Google as “Plumber”.
Based in Alexandria, 15 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 1,720 Google reviews, listed on Google as “Plumber”.
Based in Arlington, 9 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 571 Google reviews, listed on Google as “Plumber”.
Based in Alexandria, 17 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 6,899 Google reviews, listed on Google as “Plumber”.
Based in Beltsville, 10 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 1,053 Google reviews, listed on Google as “Plumber”.
Based in Silver Spring, 4 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 293 Google reviews, listed on Google as “Plumber”.
Based in Arlington, 9 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 453 Google reviews, listed on Google as “Plumber”.
Based in Silver Spring, 3 mi away
Ranked #13 because of its Google rating and review volume: 4.6★ from 8,136 Google reviews, the most in South Kensington.
Based in Rockville, 7 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 652 Google reviews, listed on Google as “Plumber”.
Based in Fairfax, 17 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 2,036 Google reviews, listed on Google as “Plumber”.
Based in Washington, D.C., 9 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 408 Google reviews, listed on Google as “Plumber”.
Based in Germantown, 15 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 482 Google reviews, listed on Google as “Plumber”.
Based in Washington, D.C., 12 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 484 Google reviews, listed on Google as “Plumber”.
Based in Rockville, 6 mi away
Ranked #19 because of its Google rating and review volume: 4.7★ from 5,985 Google reviews.
Based in Falls Church, 12 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 467 Google reviews, listed on Google as “Plumber”.
Based in Springfield, 16 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 1,503 Google reviews, listed on Google as “Plumber”.
Based in Washington, D.C., 11 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 269 Google reviews, listed on Google as “Plumber”.
Based in Washington, D.C., 8 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 201 Google reviews, listed on Google as “Plumber”.
Based in Alexandria, 16 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 671 Google reviews, listed on Google as “Plumber”.
Based in Greater Upper Marlboro, 10 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 121 Google reviews, listed on Google as “Plumber”.
#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.
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 |
|---|---|---|
| All A Services | 5.0★ (2) | 6 mi |
| BK Plumbing | 4.9★ (283) | 17 mi |
| Caseres General Contractor LLC | 4.5★ (2) | 9 mi |
| Classic Drainage Inc. | 5.0★ (2) | 8 mi |
| Conrod's Plumbing Heating and A/C | 5.0★ (2) | 4 mi |
| Coutts Plumbing, Inc | 5.0★ (2) | 10 mi |
| DMV Plumbing Services | 5.0★ (2) | 3 mi |
| Ecker Plumbing | 5.0★ (2) | 11 mi |
| First Class Plumbing | 2.5★ (2) | 11 mi |
| H Plumbing Inc. | 5.0★ (2) | 10 mi |
| Mc Lean Plumbing Services | 3.0★ (2) | 9 mi |
| R D Springer Plumbing & Heating | 5.0★ (2) | 7 mi |
| Rocket Rooter Plumbing | 3.0★ (2) | 8 mi |
| Rogers Plumbing | 3.0★ (2) | 5 mi |
| S.L. Johnson Plumbing & Heating | 3.0★ (2) | 6 mi |
| T & T Plumbing And Heating | 5.0★ (2) | 11 mi |
| TechStar Services | 5.0★ (2) | 10 mi |
| Tendongkeng Construction LLC | 3.0★ (2) | 10 mi |
| TR Young Services, Inc. | 5.0★ (2) | 12 mi |
| WH Professional Plumbing Services | 5.0★ (2) | 4 mi |
National price ranges in USD, not adjusted for South Kensington. 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 |
In Maryland, Maryland State Board of Plumbing licenses Plumbing work: water supply, drain, waste and vent piping and fixtures.
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
We scored 820 South Kensington 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 South Kensington 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 |