91/100CR Score
Ranked #1 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
Best Plumbers in Hunt Valley, MD (2026)
380 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Hunt Valley: Donovan WaterWorks, CR Score 91/100; 4.9★ from 691 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Liberty Pure Solutions, posts 24/7 hours; ranked #2 of 380.
- 3
Most-reviewed: Len The Plumber Heating & Air, LLC, 15,911 Google reviews at 4.7★, the most of 380 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
380 Hunt Valley plumbers are ranked here by CR Score, from 8 published factors. 116 are open 24/7, 205 open Saturdays and 149 open Sundays, based on posted hours. The median Google rating is 4.9★ across 380 rated businesses.
Top 10 plumbers in Hunt Valley at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Donovan WaterWorks | 91 | 4.9★ (691) | Cockeysville, 3 mi away | 24/7 | Overall |
| 2 | Liberty Pure Solutions | 91 | 4.9★ (553) | Cockeysville, 4 mi away | 24/7 | Emergencies |
| 3 | Len The Plumber Heating & Air, LLC | 90 | 4.7★ (15,911) | Arbutus, 17 mi away | 24/7 | Most reviews |
| 4 | Roto-Rooter Plumbing & Water Cleanup | 90 | 4.8★ (4,075) | Baltimore, 14 mi away | 24/7 | — |
| 5 | Brian B. Quick Plumbing | 90 | 4.9★ (946) | Reisterstown, 10 mi away | 24/7 | — |
| 6 | Roto-Rooter Plumbing & Water Cleanup | 89 | 4.8★ (752) | Towson, 7 mi away | 24/7 | — |
| 7 | Warrior Plumbing & Heating | 88 | 4.9★ (400) | Baltimore, 11 mi away | 24/7 | — |
| 8 | Benjamin Franklin Plumbing of Baltimore | 88 | 4.9★ (326) | Baltimore, 12 mi away | 24/7 | — |
| 9 | Catons Plumbing, Drains & Water Cleanup | 88 | 4.9★ (142) | Towson, 7 mi away | 24/7 | — |
| 10 | Roto-Rooter Plumbing & Water Cleanup | 87 | 4.9★ (1,074) | Arbutus, 20 mi away | 24/7 | — |
The 380 best plumbers in Hunt Valley, 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 Cockeysville, 4 mi away
91/100CR ScoreRanked #2 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 Arbutus, 17 mi away
90/100CR ScoreRanked #3 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 Baltimore, 14 mi away
90/100CR ScoreRanked #4 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 Reisterstown, 10 mi away
90/100CR ScoreRanked #5 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 Towson, 7 mi away
89/100CR ScoreRanked #6 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 Baltimore, 11 mi away
88/100CR ScoreRanked #7 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, 12 mi away
88/100CR ScoreRanked #8 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 Towson, 7 mi away
88/100CR ScoreRanked #9 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 Arbutus, 20 mi away
87/100CR ScoreRanked #10 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 Eldersburg, 17 mi away
87/100CR ScoreRanked #11 because of its Google rating and availability: 4.9★ from 542 Google reviews, open 24/7.
- 4.9★ from 542 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1912 Liberty Rd Ste D, Eldersburg, MD 21784
Based in Catonsville, 16 mi away
87/100CR ScoreRanked #12 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 Dundalk, 18 mi away
87/100CR ScoreRanked #13 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, 15 mi away
87/100CR ScoreRanked #14 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 Ellicott City, 18 mi away
87/100CR ScoreRanked #15 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
#16 Prime Plumbing
Based in Glen Burnie, 24 mi away
87/100CR ScoreRanked #16 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 Bel Air, 16 mi away
87/100CR ScoreRanked #17 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 Eldersburg, 17 mi away
86/100CR ScoreRanked #18 because of its Google rating and availability: 5.0★ from 216 Google reviews, open 24/7.
- 5.0★ from 216 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1332 Londontown Blvd Suite 108A, Eldersburg, MD 21784
Based in Baltimore, 13 mi away
86/100CR ScoreRanked #19 because of its Google rating and availability: 4.8★ from 4,514 Google reviews, open 24/7.
- 4.8★ from 4,514 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2607 Rolling Rd. #201, Windsor Mill, MD 21244
Based in Perry Hall, 11 mi away
86/100CR ScoreRanked #20 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 Ellicott City, 18 mi away
86/100CR ScoreRanked #21 because of its Google rating and availability: 4.8★ from 565 Google reviews, open 24/7.
- 4.8★ from 565 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3696 Park Ave #204, Ellicott City, MD 21043
Based in Elkridge, 22 mi away
86/100CR 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 Bel Air North, 15 mi away
86/100CR ScoreRanked #23 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 Baltimore, 9 mi away
86/100CR 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
#25 The Plumber Guys
Based in Aberdeen, 23 mi away
85/100CR ScoreRanked #25 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
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 380 ranked plumbers here; the rest are on their profiles.
Also serving Hunt Valley
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 Hunt Valley?
National price ranges in USD, not adjusted for Hunt Valley. 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 Hunt Valley plumbers
We scored 380 Hunt Valley 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 Hunt Valley 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 Hunt Valley: frequently asked questions
Who is the best plumber in Hunt Valley?
By CR Score, the highest-ranked plumber in Hunt Valley, MD is Donovan WaterWorks with a CR Score of 91/100. It has 4.9★ from 691 Google reviews. It is open 24/7. Liberty Pure Solutions (#2) and Len The Plumber Heating & Air, LLC (#3) follow. We ranked 380 plumbers on 8 factors, last updated October 22, 2026.
How many plumbers are there in Hunt Valley?
ContractorsRanked ranks 380 plumbers serving Hunt Valley, MD. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which plumbers in Hunt Valley are open 24/7?
116 ranked plumbers in Hunt Valley post 24/7 hours. The highest-ranked are Donovan WaterWorks (#1), Liberty Pure Solutions (#2) and Len The Plumber Heating & Air, LLC (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Hunt Valley work on weekends?
205 of 380 ranked plumbers post Saturday hours and 149 post Sunday hours. The highest-ranked open Saturdays are Donovan WaterWorks (#1), Liberty Pure Solutions (#2) and Len The Plumber Heating & Air, 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 Hunt Valley?
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 Hunt Valley. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Hunt Valley plumbers have?
The median Google rating among 380 rated plumbers in Hunt Valley is 4.9★, with a median of 22 reviews. Len The Plumber Heating & Air, LLC has the most, 15,911 reviews, and ranks #3. 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 Hunt Valley
- October 2026: CR Scores recalculated for 380 plumbers serving Hunt Valley.
- October 2026: 5 duplicate listings merged.
More plumbers and Hunt Valley pages
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- Kitchen remodelers in Hunt Valley315 ranked
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