91/100CR Score
Ranked #1 because of its Google rating and availability: 4.8★ from 549 Google reviews, open 24/7.
- 4.8★ from 549 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 336 S Main St Ste 2DE, Bel Air, MD 21014
Best Plumbers in South Bel Air, MD (2026)
235 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in South Bel Air: Roto-Rooter Plumbing & Water Cleanup, CR Score 91/100; 4.8★ from 549 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): The Plumber Guys, posts 24/7 hours; ranked #2 of 235.
- 28
Most-reviewed: Michael & Son Services, 8,039 Google reviews at 4.7★, the most of 235 ranked; ranked #28.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
235 South Bel Air plumbers are ranked here by CR Score, from 8 published factors. 63 are open 24/7, 129 open Saturdays and 94 open Sundays, based on posted hours. The median Google rating is 4.9★ across 235 rated businesses.
Top 10 plumbers in South Bel Air at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing & Water Cleanup | 91 | 4.8★ (549) | Bel Air, 1 mi away | 24/7 | Overall |
| 2 | The Plumber Guys | 90 | 4.9★ (479) | Aberdeen, 8 mi away | 24/7 | Emergencies |
| 3 | Straight Plumbing Llc | 89 | 4.9★ (203) | Bel Air North, 7 mi away | 24/7 | — |
| 4 | Liberty Pure Solutions | 89 | 4.9★ (553) | Cockeysville, 13 mi away | 24/7 | — |
| 5 | Roto-Rooter Plumbing & Water Cleanup | 89 | 4.8★ (4,075) | Baltimore, 22 mi away | 24/7 | — |
| 6 | Benjamin Franklin Plumbing of Harford County | 88 | 4.7★ (204) | Bel Air, 3 mi away | 24/7 | — |
| 7 | Donovan WaterWorks | 88 | 4.9★ (691) | Cockeysville, 17 mi away | 24/7 | — |
| 8 | Redbeard Plumbing, LLC | 88 | 5.0★ (102) | Joppatowne, 9 mi away | 24/7 | — |
| 9 | Newberry Plumbing | 88 | 5.0★ (209) | Bel Air, 2 mi away | Sat · Sun · Evenings | — |
| 10 | Roto-Rooter Plumbing & Water Cleanup | 87 | 4.8★ (752) | Towson, 17 mi away | 24/7 | — |
The 235 best plumbers in South Bel Air, 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.
Based in Aberdeen, 8 mi away
90/100CR ScoreRanked #2 because of its Google rating and availability: 4.9★ from 479 Google reviews, open 24/7.
- 4.9★ from 479 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1205 Loflin Rd, Aberdeen, MD 21001
Based in Bel Air North, 7 mi away
89/100CR ScoreRanked #3 because of its Google rating and availability: 4.9★ from 203 Google reviews, open 24/7.
- 4.9★ from 203 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3035 Rocks Rd, Jarrettsville, MD 21084
Based in Cockeysville, 13 mi away
89/100CR ScoreRanked #4 because of its Google rating and availability: 4.9★ from 553 Google reviews, open 24/7.
- 4.9★ from 553 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2824 Paper Mill Rd, Phoenix, MD 21131
Based in Baltimore, 22 mi away
89/100CR ScoreRanked #5 because of its Google rating and availability: 4.8★ from 4,075 Google reviews, open 24/7.
- 4.8★ from 4,075 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 516 N Charles St Ste 407, Baltimore, MD 21201
Based in Bel Air, 3 mi away
88/100CR ScoreRanked #6 because of its Google rating and availability: 4.7★ from 204 Google reviews, open 24/7.
- 4.7★ from 204 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 16A Bel Air S Pkwy Suite 300, Bel Air, MD 21015
Based in Cockeysville, 17 mi away
88/100CR ScoreRanked #7 because of its Google rating and availability: 4.9★ from 691 Google reviews, open 24/7.
- 4.9★ from 691 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9720 Greenside Dr #9w, Cockeysville, MD 21030
Based in Joppatowne, 9 mi away
88/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 102 Google reviews, open 24/7.
- 5.0★ from 102 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 431 Acadia Dr, Joppatowne, MD 21085
Based in Bel Air, 2 mi away
88/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 209 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 209 Google reviews
- Hours
- Mon–Fri 6 AM–8 PM · Sat–Sun 8 AM–8 PM
- Address
- 1714 Ruger Dr, Bel Air, MD 21015
Based in Towson, 17 mi away
87/100CR ScoreRanked #10 because of its Google rating and availability: 4.8★ from 752 Google reviews, open 24/7.
- 4.8★ from 752 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 606 Baltimore Ave Ste 402-E, Towson, MD 21204
Based in Bel Air, 2 mi away
87/100CR ScoreRanked #11 because of its Google rating and availability: 4.8★ from 125 Google reviews, open 24/7.
- 4.8★ from 125 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1441 Rock Spring Rd #1586, Bel Air, MD 21014
Based in Dundalk, 22 mi away
87/100CR ScoreRanked #12 because of its Google rating and availability: 4.9★ from 614 Google reviews, open 24/7.
- 4.9★ from 614 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 38 S Dundalk Ave Ste C-LL, Dundalk, MD 21222
Based in Baltimore, 21 mi away
86/100CR ScoreRanked #13 because of its Google rating and availability: 4.9★ from 400 Google reviews, open 24/7.
- 4.9★ from 400 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4123 Roland Ave, Baltimore, MD 21211
Based in Havre de Grace, 13 mi away
86/100CR ScoreRanked #14 because of its Google rating and availability: 4.8★ from 2,282 Google reviews, open 24/7.
- 4.8★ from 2,282 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 908 Pulaski Hwy, Havre De Grace, MD 21078
Based in Joppatowne, 5 mi away
86/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 235 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 235 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 2018 Mountain Rd, Joppatowne, MD 21085
Based in Perry Hall, 13 mi away
86/100CR ScoreRanked #16 because of its Google rating and availability: 4.9★ from 105 Google reviews, open 24/7.
- 4.9★ from 105 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4213 Silver Spring Rd, Perry Hall, MD 21128
Based in Baltimore, 22 mi away
86/100CR ScoreRanked #17 because of its Google rating and availability: 4.8★ from 560 Google reviews, open 24/7.
- 4.8★ from 560 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 616 Water St #316, Baltimore, MD 21202
Based in Towson, 17 mi away
86/100CR ScoreRanked #18 because of its Google rating and availability: 4.9★ from 142 Google reviews, open 24/7.
- 4.9★ from 142 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 22 W Pennsylvania Ave Ste 415, Towson, MD 21204
Based in Baltimore, 23 mi away
85/100CR ScoreRanked #19 because of its Google rating and availability: 4.9★ from 326 Google reviews, open 24/7.
- 4.9★ from 326 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3702 Yosemite Ave, Baltimore, MD 21215
Based in Bel Air North, 4 mi away
85/100CR ScoreRanked #20 because of its Google rating and availability: 4.5★ from 7,297 Google reviews, open 24/7.
- 4.5★ from 7,297 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 125 Industry Ln, Forest Hill, MD 21050
Based in Dundalk, 23 mi away
85/100CR ScoreRanked #21 because of its Google rating and availability: 4.9★ from 228 Google reviews, open 24/7.
- 4.9★ from 228 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Bel Air North, 3 mi away
84/100CR ScoreRanked #22 because of its Google rating and availability: 4.9★ from 340 Google reviews, open 24/7.
- 4.9★ from 340 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1630 Robin Cir, Forest Hill, MD 21050
#23 Otto's Plumbing
Based in Bristol, 17 mi away
84/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 48 Google reviews, open 24/7.
- 5.0★ from 48 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Baltimore, 18 mi away
84/100CR ScoreRanked #24 because of its Google rating and availability: 4.8★ from 199 Google reviews, open 24/7.
- 4.8★ from 199 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6116 MacBeth Dr #6300, Baltimore, MD 21239
Based in Bel Air, 2 mi away
83/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 22 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 1317 N Fountain Green Rd, Bel Air, MD 21015
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 235 ranked plumbers here; the rest are on their profiles.
Also serving South Bel Air
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.
How much do plumbers cost in South Bel Air?
National price ranges in USD, not adjusted for South Bel Air. 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 |
How to check a plumber's license in Maryland
In Maryland, Maryland State Board of Plumbing licenses Plumbing work: water supply, drain, waste and vent piping and fixtures.
- Check that the status is active and the name matches the contract or truck.
- 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 South Bel Air plumbers
We scored 235 South Bel Air 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.
| Factor | Weight | Computed from | In South Bel Air data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
Plumbers in South Bel Air: frequently asked questions
Who is the best plumber in South Bel Air?
By CR Score, the highest-ranked plumber in South Bel Air, MD is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 91/100. It has 4.8★ from 549 Google reviews. It is open 24/7. The Plumber Guys (#2) and Straight Plumbing Llc (#3) follow. We ranked 235 plumbers on 8 factors, last updated October 22, 2026.
How many plumbers are there in South Bel Air?
ContractorsRanked ranks 235 plumbers serving South Bel Air, MD. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which plumbers in South Bel Air are open 24/7?
63 ranked plumbers in South Bel Air post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), The Plumber Guys (#2) and Straight Plumbing Llc (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in South Bel Air work on weekends?
129 of 235 ranked plumbers post Saturday hours and 94 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), The Plumber Guys (#2) and Straight Plumbing Llc (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check a plumber's license in Maryland?
In Maryland, Maryland State Board of Plumbing handles licensing and covers Plumbing work: water supply, drain, waste and vent piping and fixtures.
How much does water heater replacement cost in South Bel Air?
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 South Bel Air. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do South Bel Air plumbers have?
The median Google rating among 235 rated plumbers in South Bel Air is 4.9★, with a median of 17 reviews. Michael & Son Services has the most, 8,039 reviews, and ranks #28. 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 South Bel Air
- October 2026: CR Scores recalculated for 235 plumbers serving South Bel Air.
- October 2026: 3 duplicate listings merged.
More plumbers and South Bel Air pages
Plumbers near South Bel Air
- Plumbers in Bel Air, MD240 ranked
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