223 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Bel Air North: Roto-Rooter Plumbing & Water Cleanup, CR Score 63/100; 4.8★ from 549 Google reviews; open 24/7.
Best for emergencies (open 24/7): Straight Plumbing Llc, posts 24/7 hours; ranked #2 of 223.
Most-reviewed: Michael & Son Services, 8,039 Google reviews at 4.7★, the most of 223 ranked; ranked #44.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
223 Bel Air North plumbers are ranked here by CR Score, from ten published factors. 64 are open 24/7, 120 open Saturdays and 87 open Sundays, based on posted hours. The median Google rating is 4.9★ across 223 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing & Water Cleanup | 63 | 4.8★ (549) | Bel Air, 2 mi away | 24/7 | Overall |
| 2 | Straight Plumbing Llc | 63 | 4.9★ (203) | Bel Air North | 24/7 | Emergencies |
| 3 | The Plumber Guys | 62 | 4.9★ (479) | Aberdeen, 10 mi away | 24/7 | — |
| 4 | Liberty Pure Solutions | 62 | 4.9★ (553) | Cockeysville, 11 mi away | 24/7 | — |
| 5 | Kenneth & Sons Water Heaters | 62 | 4.8★ (125) | Bel Air, 1 mi away | 24/7 | — |
| 6 | Roto-Rooter Plumbing & Water Cleanup | 61 | 4.8★ (4,075) | Baltimore, 22 mi away | 24/7 | — |
| 7 | Donovan WaterWorks | 61 | 4.9★ (691) | Cockeysville, 15 mi away | 24/7 | — |
| 8 | Benjamin Franklin Plumbing of Harford County | 61 | 4.7★ (204) | Bel Air, 5 mi away | 24/7 | — |
| 9 | Newberry Plumbing | 61 | 5.0★ (209) | Bel Air, 4 mi away | Sat · Sun · Evenings | — |
| 10 | PlumbCrazy | 61 | 4.8★ (662) | Bel Air North | Sat | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.8★ from 549 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bel Air North
Ranked #2 because of its Google rating and trade focus: 4.9★ from 203 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Aberdeen, 10 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 479 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cockeysville, 11 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 553 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bel Air, 1 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 125 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baltimore, 22 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 4,075 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cockeysville, 15 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 691 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bel Air, 5 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 204 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bel Air, 4 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 209 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bel Air North
Ranked #10 because of its Google rating and trade focus: 4.8★ from 662 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Towson, 16 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 752 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Joppatowne, 6 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 235 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Joppatowne, 10 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 102 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bel Air North
Ranked #14 because of its Google rating and trade focus: 4.9★ from 684 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bel Air North
Ranked #15 because of its Google rating and review volume: 4.5★ from 7,297 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bel Air North
Ranked #16 because of its Google rating and trade focus: 5.0★ from 84 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Bel Air North
Ranked #17 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dundalk, 22 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 614 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bel Air North
Ranked #19 because of its Google rating and trade focus: 5.0★ from 106 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baltimore, 20 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 400 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Perry Hall, 13 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 105 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Havre de Grace, 15 mi away
Ranked #22 because of its Google rating and review volume: 4.8★ from 2,282 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bel Air North
Ranked #23 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baltimore, 22 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 560 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Towson, 16 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 142 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#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 223 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.
National price ranges in USD, not adjusted for Bel Air North. 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 223 Bel Air North 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 Bel Air North 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 |