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Emergency Plumbers in White Marsh, MD (2026)

Top 50 of 380 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 White Marsh: 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 White Marsh at a glance

Top emergency plumbers in White Marsh at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Len The Plumber Heating & Air, LLC644.7★ (15,911)Arbutus, 16 mi away24/7
2Roto-Rooter Plumbing & Water Cleanup634.8★ (4,075)Baltimore, 12 mi away24/7
3Roto-Rooter Plumbing & Water Cleanup624.8★ (752)Towson, 9 mi away24/7
4Roto-Rooter Plumbing & Water Cleanup624.9★ (614)Dundalk, 10 mi away24/7
5Donovan WaterWorks614.9★ (691)Cockeysville, 12 mi away24/7
6Liberty Pure Solutions614.9★ (553)Cockeysville, 12 mi away24/7
7LJ Butler Plumbing and Heating614.9★ (105)Perry Hall, 3 mi away24/7
8Prime Plumbing614.8★ (2,323)Glen Burnie, 18 mi away24/7
9Catons Plumbing, Drains & Water Cleanup614.8★ (560)Baltimore, 11 mi away24/7
10Roto-Rooter Plumbing & Water Cleanup614.8★ (549)Bel Air, 11 mi away24/7

Call an emergency plumber in White Marsh 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 White Marsh, 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 380 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, 12 mi away

    61/100CR 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, 18 mi away

    61/100CR 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

  14. #14 The Plumber Guys

    Based in Aberdeen, 14 mi away

    60/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 479 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 479 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1205 Loflin Rd, Aberdeen, MD 21001
    View profile for The Plumber Guys(410) 698-7863

  22. #22 Mahon Plumbing

    Based in Baltimore, 15 mi away

    59/100CR Score

    Ranked #22 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, 7 mi away

    61/100CR 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 380 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 White Marsh, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Roto-Rooter Plumbing & Water Cleanup594.8★ (1,242)22 mi
27Roto-Rooter Plumbing & Water Cleanup594.8★ (956)21 mi
28Trust Plumbing & Heating, LLC595.0★ (143)14 mi
29All Nite Sewer & Drain Cleaning, LLC.594.6★ (60)6 mi
30Straight Plumbing Llc594.9★ (203)16 mi
31Kenneth & Sons Water Heaters594.8★ (125)13 mi
32Michael & Son Services594.7★ (8,039)8 mi
33Catons Plumbing, Drains & Water Cleanup584.8★ (565)21 mi
34Abend Services584.8★ (175)16 mi
35Electric Eel Sewer & Drain585.0★ (13)3 mi
36Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical584.8★ (4,514)18 mi
37Victory Plumbing Services, LLC584.9★ (50)10 mi
38Hardy Plumbing | Emergency Plumber, Drain Cleaning, Pipe Repair, Tankless Water Heater Repair and Replacement in Timonium, MD585.0★ (64)12 mi
39Perfect Plumbing584.7★ (196)16 mi
40Sewer Slayer585.0★ (157)18 mi
41Abbott's Plumbing584.6★ (426)20 mi
42Get Back Plumbing584.9★ (104)16 mi
43SLO-FLO Plumbing585.0★ (213)21 mi
44JSquad Services585.0★ (33)10 mi
45Boothe's Heating, Air, Plumbing, Drains & Electrical584.9★ (1,461)16 mi
46TNT Plumbing & Drain Service, LLC584.9★ (110)17 mi
47Bailey Bros. Plumbing & Drain Services585.0★ (154)20 mi
48W. A. Booth Plumbing Services llc575.0★ (204)22 mi
49Benjamin Franklin Plumbing of Columbia574.9★ (257)23 mi
50Park Plumbing LLC575.0★ (178)23 mi

How we ranked emergency plumbers in White Marsh

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 White Marsh: questions

Which plumbers in White Marsh 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 White Marsh, MD?

Len The Plumber Heating & Air, LLC is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency plumbers in White Marsh 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 White Marsh

  1. October 2026: CR Scores recalculated for 380 plumbers serving White Marsh.
  2. October 2026: 4 duplicate listings merged.

More emergency and plumbing pages