91/100CR Score
Ranked #1 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
Best Plumbers in Middle River, MD (2026)
418 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Middle River: Roto-Rooter Plumbing & Water Cleanup, CR Score 91/100; 4.8★ from 4,075 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Len The Plumber Heating & Air, LLC, posts 24/7 hours; ranked #2 of 418.
- 2
Most-reviewed: Len The Plumber Heating & Air, LLC, 15,911 Google reviews at 4.7★, the most of 418 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
418 Middle River plumbers are ranked here by CR Score, from 8 published factors. 135 are open 24/7, 241 open Saturdays and 169 open Sundays, based on posted hours. The median Google rating is 4.9★ across 418 rated businesses.
Top 10 plumbers in Middle River at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing & Water Cleanup | 91 | 4.8★ (4,075) | Baltimore, 10 mi away | 24/7 | Overall |
| 2 | Len The Plumber Heating & Air, LLC | 91 | 4.7★ (15,911) | Arbutus, 14 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Roto-Rooter Plumbing & Water Cleanup | 90 | 4.9★ (614) | Dundalk, 7 mi away | 24/7 | — |
| 4 | Prime Plumbing | 89 | 4.8★ (2,323) | Glen Burnie, 15 mi away | 24/7 | — |
| 5 | Roto-Rooter Plumbing & Water Cleanup | 89 | 4.8★ (752) | Towson, 10 mi away | 24/7 | — |
| 6 | Roto-Rooter Plumbing & Water Cleanup | 89 | 4.9★ (1,074) | Arbutus, 15 mi away | 24/7 | — |
| 7 | Donovan WaterWorks | 88 | 4.9★ (691) | Cockeysville, 13 mi away | 24/7 | — |
| 8 | Warrior Plumbing & Heating | 88 | 4.9★ (400) | Baltimore, 10 mi away | 24/7 | — |
| 9 | Catons Plumbing, Drains & Water Cleanup | 88 | 4.8★ (560) | Baltimore, 10 mi away | 24/7 | — |
| 10 | Elite Plumbing & Home Services | 88 | 4.9★ (228) | Dundalk, 9 mi away | 24/7 | — |
The 418 best plumbers in Middle River, 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 Arbutus, 14 mi away
91/100CR ScoreRanked #2 because of its Google rating and review volume: 4.7★ from 15,911 Google reviews, the most Google reviews on this list (15,911).
- 4.7★ from 15,911 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3610 Commerce Dr Suite 808, Halethorpe, MD 21227
Based in Dundalk, 7 mi away
90/100CR ScoreRanked #3 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 Glen Burnie, 15 mi away
89/100CR ScoreRanked #4 because of its Google rating and availability: 4.8★ from 2,323 Google reviews, open 24/7.
- 4.8★ from 2,323 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7617 Baltimore Annapolis Blvd, Glen Burnie, MD 21060
Based in Towson, 10 mi away
89/100CR ScoreRanked #5 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 Arbutus, 15 mi away
89/100CR ScoreRanked #6 because of its Google rating and availability: 4.9★ from 1,074 Google reviews, open 24/7.
- 4.9★ from 1,074 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 505 Progress Dr #119, Linthicum Heights, MD 21090
Based in Cockeysville, 13 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 Baltimore, 10 mi away
88/100CR ScoreRanked #8 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 Baltimore, 10 mi away
88/100CR ScoreRanked #9 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 Dundalk, 9 mi away
88/100CR ScoreRanked #10 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 Perry Hall, 5 mi away
88/100CR ScoreRanked #11 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 Cockeysville, 15 mi away
88/100CR ScoreRanked #12 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 Joppatowne, 7 mi away
88/100CR ScoreRanked #13 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 Baltimore, 13 mi away
88/100CR ScoreRanked #14 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
#15 Mahon Plumbing
Based in Baltimore, 12 mi away
88/100CR ScoreRanked #15 because of its Google rating and availability: 4.9★ from 268 Google reviews, open 24/7.
- 4.9★ from 268 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6824 Fort Smallwood Rd Ste. A, Baltimore, MD 21226
Based in Pasadena, 15 mi away
87/100CR ScoreRanked #16 because of its Google rating and availability: 4.9★ from 450 Google reviews, open 24/7.
- 4.9★ from 450 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3017 Mountain Rd, Pasadena, MD 21122
Based in Baltimore, 11 mi away
87/100CR ScoreRanked #17 because of its Google rating and availability: 5.0★ from 143 Google reviews, open 24/7.
- 5.0★ from 143 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6309 Fort Smallwood Rd Suite 5, Baltimore, MD 21226
#18 The Plumber Guys
Based in Aberdeen, 17 mi away
87/100CR ScoreRanked #18 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 Towson, 10 mi away
87/100CR ScoreRanked #19 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 Bel Air, 15 mi away
87/100CR ScoreRanked #20 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
Based in Catonsville, 17 mi away
87/100CR ScoreRanked #21 because of its Google rating and availability: 4.7★ from 1,684 Google reviews, open 24/7.
- 4.7★ from 1,684 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 801 Geipe Rd, Catonsville, MD 21228
Based in Elkridge, 20 mi away
87/100CR ScoreRanked #22 because of its Google rating and availability: 4.8★ from 1,242 Google reviews, open 24/7.
- 4.8★ from 1,242 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6500 Kane Way Ste B, Elkridge, MD 21075
Based in Reisterstown, 23 mi away
86/100CR ScoreRanked #23 because of its Google rating and availability: 4.9★ from 946 Google reviews, open 24/7.
- 4.9★ from 946 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 218 Main St Suite 4, Reisterstown, MD 21136
Based in Ellicott City, 20 mi away
86/100CR ScoreRanked #24 because of its Google rating and availability: 4.8★ from 956 Google reviews, open 24/7.
- 4.8★ from 956 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3545 Ellicott Mills Dr Ste 102, Ellicott City, MD 21043
#25 Sewer Slayer
Based in Arbutus, 16 mi away
86/100CR ScoreRanked #25 because of its Google rating and availability: 5.0★ from 157 Google reviews, open 24/7.
- 5.0★ from 157 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
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 418 ranked plumbers here; the rest are on their profiles.
Also serving Middle River
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 Middle River?
National price ranges in USD, not adjusted for Middle River. 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 Middle River plumbers
We scored 418 Middle River 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 Middle River 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 Middle River: frequently asked questions
Who is the best plumber in Middle River?
By CR Score, the highest-ranked plumber in Middle River, MD is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 91/100. It has 4.8★ from 4,075 Google reviews. It is open 24/7. Len The Plumber Heating & Air, LLC (#2) and Roto-Rooter Plumbing & Water Cleanup (#3) follow. We ranked 418 plumbers on 8 factors, last updated October 22, 2026.
How many plumbers are there in Middle River?
ContractorsRanked ranks 418 plumbers serving Middle River, MD. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which plumbers in Middle River are open 24/7?
135 ranked plumbers in Middle River post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), Len The Plumber Heating & Air, LLC (#2) and Roto-Rooter Plumbing & Water Cleanup (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Middle River work on weekends?
241 of 418 ranked plumbers post Saturday hours and 169 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Len The Plumber Heating & Air, LLC (#2) and Roto-Rooter Plumbing & Water Cleanup (#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 Middle River?
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 Middle River. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Middle River plumbers have?
The median Google rating among 418 rated plumbers in Middle River is 4.9★, with a median of 24 reviews. Len The Plumber Heating & Air, LLC has the most, 15,911 reviews, and ranks #2. 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 Middle River
- October 2026: CR Scores recalculated for 418 plumbers serving Middle River.
- October 2026: 4 duplicate listings merged.
More plumbers and Middle River pages
Plumbers near Middle River
- Plumbers in Rossville, MD426 ranked
- Plumbers in Essex, MD445 ranked
- Plumbers in Bowleys Quarters, MD381 ranked
- Plumbers in White Marsh, MD378 ranked
- Plumbers in Rosedale, MD466 ranked
- Plumbers in Overlea, MD427 ranked
- Plumbers in Perry Hall, MD384 ranked
- Plumbers in Carney, MD420 ranked
- Plumbers in Parkville, MD431 ranked
- Plumbers in Edgemere, MD452 ranked
Other trades in Middle River
- Roofers in Middle River757 ranked
- Electricians in Middle River322 ranked
- HVAC contractors in Middle River534 ranked
- General contractors in Middle River667 ranked
- Painters in Middle River136 ranked
- Landscapers in Middle River181 ranked
- Handymen in Middle River75 ranked
- Kitchen remodelers in Middle River372 ranked
- Bathroom remodelers in Middle River373 ranked
- Flooring contractors in Middle River259 ranked
- Tile installers in Middle River51 ranked
- Drywall contractors in Middle River6 ranked
- Concrete contractors in Middle River180 ranked
- Fence contractors in Middle River68 ranked
- Deck builders in Middle River203 ranked
- Siding contractors in Middle River356 ranked
- Window installers in Middle River321 ranked
- Gutter installers in Middle River167 ranked
- Insulation contractors in Middle River55 ranked
- Solar installers in Middle River86 ranked
- Garage door repair companies in Middle River66 ranked
- Foundation repair companies in Middle River117 ranked
- Tree services in Middle River145 ranked
- Masonry contractors in Middle River121 ranked
- Water damage restoration companies in Middle River434 ranked
- Home builders in Middle River354 ranked
- Demolition contractors in Middle River85 ranked
- All contractors in Middle River