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5 services · Philadelphia

Leaks, pipes & freezing in Philadelphia, PA

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
Ice forming on a copper pipe outdoors

Leaks, pipes & freezing services in Philadelphia

Local conditions

Leaks, pipes & freezing in Philadelphia: what's different

Philadelphia has many older lead water service lines, and the city offers programs to help owners replace them. Owners are responsible for their water service lines, and a leak in the line under the sidewalk or street is the owner's to repair.

Cold snaps freeze pipes in rowhouse basements and exterior walls. Brick rowhouses from the late 1800s and early 1900s often have older supply piping that leaks at joints.

Water and sewer in Philadelphia
The Philadelphia Water Department (PWD) provides water, sewer and stormwater service.
Permits in Philadelphia
Plumbing permits are issued by the Department of Licenses and Inspections (L&I).

Philadelphia housing and plumbing

Brick rowhouses from the late 1800s and early 1900s dominate, typically with basements, cast-iron drains and older service lines.

Other Philadelphia conditions that affect plumbing

  • Homeowner-owned laterals: Philadelphia property owners are responsible for their water and sewer service lines, and repairs often involve the street.
  • Basement backups: Older combined sewers can back up into basements during heavy rain.
  • Frozen pipes: Cold snaps freeze pipes in rowhouse basements and exterior walls.
  • Rowhouse shared lines: Some older rowhouses share sewer or water lines with neighbors, which complicates repairs and requires coordination between owners.

Neighborhoods and ZIP codes

Plumbers on Thawline cover Philadelphia and Philadelphia County, including Fishtown, South Philadelphia, Germantown, Manayunk, Fairmount, Northeast Philadelphia. ZIP codes: 19019 · 19092 · 19093 · 19099 · 19101 · 19102.

When to call a plumber in Philadelphia

  • 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 Philadelphia

Who pays to fix a water service line leak in Philadelphia?

The property owner is responsible for the water service line. The Philadelphia Water Department may issue a notice to repair it, and some programs help with lead line replacement.

Should I turn off the water if a pipe bursts?

Yes. Close the main shutoff valve first, then open a faucet on the lowest floor to drain the lines. If water is near outlets or the electrical panel, keep clear and switch off power only if you can reach the panel safely.

More plumbing in Philadelphia

Need help with leaks, pipes & freezing in Philadelphia?

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