5 services · Baltimore
Leaks, pipes & freezing in Baltimore, MD
Pipe problems range from a burst line that needs the water shut off right now to slow pinhole leaks that show up as a high water bill. A licensed plumber finds where the water is escaping, repairs or replaces that section, and tells you whether the rest of the piping is likely to follow.
- Licensed local plumbers
- The problem explained before work starts
- Price agreed before the job begins
Leaks, pipes & freezing services in Baltimore
Burst pipe repair
UrgentTurn off the main water shutoff first, then open a faucet on the lowest floor to drain the lines. A plumber cuts out the split section, replaces it, and checks the rest of that pipe run, because one freeze rarely damages only one spot.
Frozen pipe thawing in Baltimore
UrgentIf a faucet gives no water or only a trickle after a hard freeze, a pipe is frozen. Leave that faucet open, warm the area gently, and call a plumber if you can't find the frozen section or if it's inside a wall, because a split pipe will leak as soon as it thaws.
Leak detection
Turn off every fixture and watch the water meter's leak indicator. If it moves, water is leaking somewhere. A plumber uses pressure tests, acoustic listening and thermal imaging to find the leak so only a small section of wall or floor has to be opened.
Repiping in Baltimore
Repiping replaces a home's water supply lines, usually because old galvanized steel has corroded or polybutylene is at risk of failing. Most repipes today use PEX, take two to five days, and are done through small wall openings rather than gutting the house.
Water line repair
UrgentThe water service line runs from the curb stop near the street to your house, buried below the frost line. A leak shows up as a soggy patch in the yard, low pressure throughout the house, or a meter that never stops. Repair means finding the leak, then fixing that spot or replacing the line.
Local conditions
Leaks, pipes & freezing in Baltimore: what's different
Baltimore rowhouses have been renovated over decades, mixing old cast iron and galvanized pipe with newer PEX and PVC. Leaks often happen at those transitions, and galvanized supply lowers pressure.
Cold snaps freeze pipes in rear additions and exterior walls, and aging water mains break regularly in winter, affecting pressure and service lines.
Insulating rear-addition lines and finding the main shutoff before winter limits damage when a pipe does split. Permits come from Baltimore City's permitting office.
Vacant rowhouses are especially at risk.
- Water and sewer in Baltimore
- The City of Baltimore Department of Public Works provides water and sewer service to the city and much of the region.
- Permits in Baltimore
- Plumbing permits are issued by Baltimore City's permitting office within Housing and Community Development.
Baltimore housing and plumbing
Rowhouses from the 1800s and early 1900s dominate, often with basements, cast-iron drains and galvanized supply.
Other Baltimore conditions that affect plumbing
- Rowhouse plumbing: Old cast iron and galvanized pipe in rowhouses leak and clog.
- Frozen pipes: Cold snaps freeze pipes in rear additions and exterior walls.
- Basement backups: Heavy rain can back up old sewers into basements.
- Rowhouse renovations: Many rowhouses have been renovated over decades, mixing old cast iron and galvanized pipe with newer PEX and PVC.
Neighborhoods and ZIP codes
Plumbers on Thawline cover Baltimore and City of Baltimore, including Canton, Fells Point, Hampden, Federal Hill, Roland Park, Mount Vernon. ZIP codes: 21201 · 21202 · 21203 · 21205 · 21206 · 21209.
When to call a plumber in Baltimore
- Water spraying, dripping from a ceiling or pooling on the floor: shut off the main and call right away
- No water from some faucets on a very cold morning
- A water bill that jumped without a change in use
- The water meter moving when every fixture is off
- Warm spots on a slab floor, or the sound of running water in a wall
- Low pressure throughout the house or rusty water from older pipes
How these problems start and how to choose between repair options is covered in the leaks, pipes & freezing guide.
Leaks, pipes & freezing questions in Baltimore
Why is my Baltimore rowhouse water pressure low?
Should I turn off the water if a pipe bursts?
More plumbing in Baltimore
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