598 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Crofton: Len The Plumber Heating & Air, LLC, CR Score 63/100; 4.7★ from 15,911 Google reviews; open 24/7.
Best for emergencies (open 24/7): Prime Plumbing, posts 24/7 hours; ranked #2 of 598.
Most-reviewed: Roto-Rooter Plumbing & Water Cleanup, 4,075 Google reviews at 4.8★, the most of 598 ranked after Len The Plumber Heating & Air, LLC; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
598 Crofton plumbers are ranked here by CR Score, from ten published factors. 211 are open 24/7, 363 open Saturdays and 271 open Sundays, based on posted hours. The median Google rating is 4.9★ across 598 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Len The Plumber Heating & Air, LLC | 63 | 4.7★ (15,911) | Arbutus, 17 mi away | 24/7 | Overall |
| 2 | Prime Plumbing | 62 | 4.8★ (2,323) | Glen Burnie, 12 mi away | 24/7 | Emergencies |
| 3 | Brian B. Quick Plumbing | 62 | 4.9★ (1,368) | Beltsville, 12 mi away | 24/7 | — |
| 4 | Howard Plumbing | 62 | 4.9★ (521) | Annapolis, 9 mi away | 24/7 | — |
| 5 | James A. Douglas Plumbing & Gas Fitting LLC | 62 | 5.0★ (163) | Arnold, 4 mi away | 24/7 | — |
| 6 | Roto-Rooter Plumbing & Water Cleanup | 61 | 4.8★ (1,128) | Annapolis, 11 mi away | 24/7 | — |
| 7 | Len The Plumber Heating & Air, LLC | 61 | 4.8★ (1,053) | Beltsville, 12 mi away | 24/7 | — |
| 8 | Roto-Rooter Plumbing & Water Cleanup | 61 | 4.9★ (1,074) | Arbutus, 15 mi away | 24/7 | — |
| 9 | Catons Plumbing, Drains & Water Cleanup | 61 | 5.0★ (312) | Annapolis, 11 mi away | 24/7 | — |
| 10 | Roto-Rooter Plumbing & Water Cleanup | 61 | 4.8★ (1,242) | Elkridge, 14 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 because of its Google rating and review volume: 4.7★ from 15,911 Google reviews, the most in Crofton.
Based in Glen Burnie, 12 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 2,323 Google reviews, listed on Google as “Plumber”.
Based in Beltsville, 12 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 Annapolis, 9 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 521 Google reviews, listed on Google as “Plumber”.
Based in Arnold, 4 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 163 Google reviews, listed on Google as “Plumber”.
Based in Annapolis, 11 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 1,128 Google reviews, listed on Google as “Plumber”.
Based in Beltsville, 12 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 1,053 Google reviews, listed on Google as “Plumber”.
Based in Arbutus, 15 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 1,074 Google reviews, listed on Google as “Plumber”.
Based in Annapolis, 11 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 312 Google reviews, listed on Google as “Plumber”.
Based in Elkridge, 14 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 1,242 Google reviews, listed on Google as “Plumber”.
Based in Baltimore, 21 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 4,075 Google reviews, listed on Google as “Plumber”.
Based in Pasadena, 12 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 450 Google reviews, listed on Google as “Plumber”.
Based in Annapolis, 10 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 283 Google reviews, listed on Google as “Plumber”.
Based in Severna Park, 9 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 178 Google reviews, listed on Google as “Plumber”.
Based in Washington, D.C., 14 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 484 Google reviews, listed on Google as “Plumber”.
Based in Eldersburg, 10 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 154 Google reviews, listed on Google as “Plumber”.
Based in Annapolis, 9 mi away
Ranked #17 because of its Google rating and review volume: 4.9★ from 2,904 Google reviews.
Based in Greater Upper Marlboro, 5 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 68 Google reviews, listed on Google as “Plumber”.
Based in Bowie, 2 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 56 Google reviews, listed on Google as “Plumber”.
Based in Severna Park, 9 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 146 Google reviews, listed on Google as “Plumber”.
Based in Washington, D.C., 23 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 2,719 Google reviews, listed on Google as “Plumber”.
Based in Bowie, 7 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 199 Google reviews, listed on Google as “Plumber”.
Based in Fort Meade, 8 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 204 Google reviews, listed on Google as “Plumber”.
Based in Alexandria, 24 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 1,720 Google reviews, listed on Google as “Plumber”.
Based in Greater Upper Marlboro, 12 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 598 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 |
|---|---|---|
| Around the Clock Plumbing & Heating | 5.0★ (2) | 15 mi |
| Beltway Pros Handyman Services | 5.0★ (2) | 11 mi |
| Benjamin Franklin Plumbing of Silver Spring | 4.8★ (417) | 20 mi |
| BK Plumbing | 4.9★ (283) | 16 mi |
| C.A.M Handy Man Home Improvement Professional | 5.0★ (2) | In Crofton |
| Cathcart Construction Inc | 5.0★ (2) | 16 mi |
| Corados Services LLC - Plumbing Company, Water and Sewer Services | 4.7★ (31) | 5 mi |
| D.K. Miller Plumbing | 3.0★ (2) | 13 mi |
| Davis Plumbing & Heating Inc | 5.0★ (2) | 5 mi |
| Hot Water Express | Water Heater Service, Repair NOW!, Installation and Replacement in the DMV | 4.9★ (62) | 11 mi |
| Joint Plumbing Apprentice | 4.5★ (2) | 9 mi |
| Lux elextric and plumbing | 3.0★ (2) | 15 mi |
| R D Springer Plumbing & Heating | 5.0★ (2) | 15 mi |
| Sam Plumbing And Drain, LLC | 5.0★ (2) | 11 mi |
| T & T Plumbing And Heating | 5.0★ (2) | 11 mi |
| tck plumbing | 5.0★ (2) | 9 mi |
| Tendongkeng Construction LLC | 3.0★ (2) | 11 mi |
| TL Plumbing Contractors LLC | 4.5★ (2) | 13 mi |
| Wrangler Plumbing & Heating | 5.0★ (2) | 15 mi |
| Your 1 Plumber | 3.0★ (2) | 15 mi |
National price ranges in USD, not adjusted for Crofton. 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 598 Crofton 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 Crofton 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 |