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Emergency Plumbers in Overlea, MD (2026)

Top 50 of 427 plumbers, in emergency orderUpdated 0 paid placements in this rankingHow we rank

24 of the 50 plumbers on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

Burst pipe or major leak: shut off the main water valve first. If water reaches outlets or the panel, stay clear and call 911.

The short answer

  1. 1

    #1 for emergency plumbing in Overlea: Len The Plumber Heating & Air, LLC, open 24/7.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

Top emergency plumbers in Overlea at a glance

Top emergency plumbers in Overlea at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Len The Plumber Heating & Air, LLC654.7★ (15,911)Arbutus, 11 mi away24/7
2Roto-Rooter Plumbing & Water Cleanup654.8★ (4,075)Baltimore, 7 mi away24/7
3Roto-Rooter Plumbing & Water Cleanup634.8★ (752)Towson, 5 mi away24/7
4Roto-Rooter Plumbing & Water Cleanup624.9★ (614)Dundalk, 7 mi away24/7
5Donovan WaterWorks624.9★ (691)Cockeysville, 9 mi away24/7
6Warrior Plumbing & Heating624.9★ (400)Baltimore, 6 mi away24/7
7Catons Plumbing, Drains & Water Cleanup624.8★ (560)Baltimore, 7 mi away24/7
8Prime Plumbing624.8★ (2,323)Glen Burnie, 15 mi away24/7
9Roto-Rooter Plumbing & Water Cleanup624.9★ (1,074)Arbutus, 13 mi away24/7
10Catons Plumbing, Drains & Water Cleanup614.7★ (1,684)Catonsville, 14 mi away24/7

Call an emergency plumber in Overlea now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency plumbers in Overlea, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 427 is on the plumbers page.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  5. #5 Donovan WaterWorks

    Based in Cockeysville, 9 mi away

    62/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.9★ from 691 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 691 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9720 Greenside Dr #9w, Cockeysville, MD 21030
    View profile for Donovan WaterWorks(410) 240-5299

  8. #8 Prime Plumbing

    Based in Glen Burnie, 15 mi away

    62/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.8★ from 2,323 Google reviews, listed on Google as “Plumber”.

    • 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
    View profile for Prime Plumbing(443) 247-4400

  21. #21 Mahon Plumbing

    Based in Baltimore, 12 mi away

    60/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.9★ from 268 Google reviews, listed on Google as “Plumber”.

    • 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
    View profile for Mahon Plumbing(410) 766-8566

  25. #25 Hardy Plumbing | Emergency Plumber, Drain Cleaning, Pipe Repair, Tankless Water Heater Repair and Replacement in Towson MD

    Based in Towson, 3 mi away

    62/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 151 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 151 Google reviews
    • Emergency service
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    8517 Loch Raven Blvd, Towson, MD 21286
    View profile for Hardy Plumbing | Emergency Plumber, Drain Cleaning, Pipe Repair, Tankless Water Heater Repair and Replacement in Towson MD(443) 247-0101

Top 50 of 427 plumbers by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

plumbers in Overlea, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Greer Plumbing & Water Heater Repair604.9★ (450)16 mi
27Trust Plumbing & Heating, LLC605.0★ (143)11 mi
28Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical594.8★ (4,514)13 mi
29Michael & Son Services594.7★ (8,039)4 mi
30Redbeard Plumbing, LLC595.0★ (102)10 mi
31Abend Services594.8★ (175)12 mi
32Sewer Slayer595.0★ (157)14 mi
33Perfect Plumbing594.7★ (196)12 mi
34The Plumber Guys594.9★ (479)19 mi
35Hardy Plumbing | Emergency Plumber, Drain Cleaning, Pipe Repair, Tankless Water Heater Repair and Replacement in Timonium, MD595.0★ (64)9 mi
36Abbott's Plumbing594.6★ (426)15 mi
37Get Back Plumbing594.9★ (104)11 mi
38JSquad Services595.0★ (33)5 mi
39TNT Plumbing & Drain Service, LLC594.9★ (110)13 mi
40Benjamin Franklin Plumbing of Harford County594.7★ (204)14 mi
41SLO-FLO Plumbing595.0★ (213)18 mi
42Roto-Rooter Plumbing & Water Cleanup594.9★ (542)22 mi
43Electric Eel Sewer & Drain585.0★ (13)2 mi
44Bailey Bros. Plumbing & Drain Services585.0★ (154)17 mi
45Benjamin Franklin Plumbing of Columbia584.9★ (257)19 mi
46Boothe's Heating, Air, Plumbing, Drains & Electrical584.9★ (1,461)13 mi
47Millennium Plumbing584.3★ (109)8 mi
48Calvert Plumbing and Backflow Services585.0★ (88)14 mi
49W. A. Booth Plumbing Services llc585.0★ (204)19 mi
50Hosanna Plumbing & Drain LLC585.0★ (67)13 mi

How we ranked emergency plumbers in Overlea

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 plumbers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency plumbers in Overlea: questions

Which plumbers in Overlea are open 24/7?

24 on this list post 24/7 hours, including Len The Plumber Heating & Air, LLC, Roto-Rooter Plumbing & Water Cleanup, Roto-Rooter Plumbing & Water Cleanup, Roto-Rooter Plumbing & Water Cleanup and Donovan WaterWorks.

Who is ranked #1 for emergency plumbing in Overlea, MD?

Len The Plumber Heating & Air, LLC is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency plumbers in Overlea ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 plumbers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the plumber arrives?

Burst pipe or major leak: shut off the main water valve first. If water reaches outlets or the panel, stay clear and call 911.

How many emergency plumbers here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Overlea

  1. October 2026: CR Scores recalculated for 427 plumbers serving Overlea.
  2. October 2026: 5 duplicate listings merged.

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