Top 10 Water Line Repair in Baltimore, MD

Updated March 2026 · Based on licensing, reviews & response time

Quick Answer

The best water line repair companies in Baltimore, MD for 2026 include Michael & Son Services (4.7), Len The Plumber Heating & Air, LLC (4.7), Warrior Plumbing & Heating (4.9). All handle water main breaks, service line repairs, and full water line replacement.

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1

Catons Plumbing, Drains & Water Cleanup

616 Water St #316, Baltimore, MD 21202, USA
★★★★½ 4.7 (570 reviews)
Licensed & InsuredTop Rated
Services: Water Line Repair
2

Mahon Plumbing

6824 Fort Smallwood Rd Ste. A, Baltimore, MD 21226, USA
★★★★½ 4.9 (272 reviews)
Licensed & InsuredTop Rated
Services: Water Line Repair
3

Warrior Plumbing & Heating

4123 Roland Ave, Baltimore, MD 21211, USA
★★★★½ 4.9 (406 reviews)
Licensed & InsuredTop Rated
Services: Water Line Repair
4

Len The Plumber Heating & Air, LLC

3610 Commerce Dr #808, Halethorpe, MD 21227, USA
★★★★½ 4.7 (16,363 reviews)
Licensed & Insured
Services: Water Line Repair
5

Mr. Rooter Plumbing of Greater Baltimore

3701 Commerce Dr Ste 105, Baltimore, MD 21227, USA
★★★★½ 4.8 (1,390 reviews)
Licensed & Insured
Services: Water Line Repair
6

Catons Plumbing, Drains & Water Cleanup

801 Geipe Rd, Catonsville, MD 21228, USA
★★★★½ 4.7 (1,707 reviews)
Services: Water Line Repair
7

Abbott Brothers Plumbing & Heating of Maryland

3510 Keswick Rd, Baltimore, MD 21211, USA
★★★★½ 4.8 (371 reviews)
Services: Water Line Repair
8

Roto-Rooter Plumbing & Water Cleanup

516 N Charles St Ste 407, Baltimore, MD 21201, USA
★★★★½ 4.8 (4,084 reviews)
Services: Water Line Repair
9

Michael & Son Services

6420 Erdman Ave, Baltimore, MD 21205, USA
★★★★½ 4.7 (8,297 reviews)
Services: Water Line Repair
10

Benjamin Franklin Plumbing of Baltimore

3702 Yosemite Ave, Baltimore, MD 21215, USA
★★★★½ 4.9 (329 reviews)
Services: Water Line Repair

How We Ranked These Baltimore Pros

Our rankings are based on a weighted evaluation of five key factors:

  1. Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
  2. Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
  3. Response Time — Companies offering same-day or 24/7 emergency service score higher.
  4. Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
  5. Experience & Longevity — Years serving the Baltimore market and breadth of services factor into overall reliability.

Rankings are reviewed quarterly. Have a correction? Contact us.

Frequently Asked Questions

How much does water line repair cost in Baltimore?

Water line repair in Baltimore typically costs $500-$2,500 for a section repair. Full water line replacement from the street to the house runs $2,000-$5,000.

How do I know if my water line is broken?

Signs include low water pressure throughout the house, unexplained wet areas in the yard, discolored water, and a sudden spike in your water bill.

Does the city fix water line problems?

The city maintains the water main in the street. The service line from the main to your house is your responsibility. Most Baltimore plumbers can handle the entire repair.