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5 services · Chicago

Leaks, pipes & freezing in Chicago, IL

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 Chicago

Local conditions

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

Sub-zero Chicago cold freezes pipes along exterior walls and in unheated porches and garages, especially in older bungalows and two-flats. Many older homes are also served by lead service lines, and the city has a replacement program for them.

Plumbing permits come from the Chicago Department of Buildings, and plumbing work in Chicago must be done by licensed plumbers registered with the city. Water and sewer mains are maintained by the Department of Water Management.

Water and sewer in Chicago
The Chicago Department of Water Management supplies water and maintains sewers inside the city.
Permits in Chicago
Plumbing permits are issued by the Chicago Department of Buildings, and plumbing work in Chicago must be done by licensed plumbers registered with the city.

Chicago housing and plumbing

Bungalows, two-flats and greystones from the early 1900s fill neighborhoods like Logan Square and Pilsen, many with basements, cast-iron drains and clay sewer lines.

Other Chicago conditions that affect plumbing

  • Basement flooding: Combined sewers can back up during heavy storms; overhead sewers, backwater valves and sump pumps are common upgrades.
  • Frozen pipes: Sub-zero cold freezes pipes along exterior walls and in unheated porches and garages.
  • Lead service lines: Many older Chicago homes are served by lead service lines, and the city has a replacement program.
  • Deep Tunnel: Chicago's Tunnel and Reservoir Plan (Deep Tunnel) stores stormwater to reduce flooding, but intense storms can still overwhelm local sewers and push water into basements, which is why overhead sewers and backwater valves are popular upgrades.

Neighborhoods and ZIP codes

Plumbers on Thawline cover Chicago and Cook County, including Lincoln Park, Logan Square, Lakeview, Beverly, Pilsen, Rogers Park. ZIP codes: 60290 · 60499 · 60601 · 60602 · 60603 · 60604.

When to call a plumber in Chicago

  • 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 Chicago

How do I know if my Chicago home has a lead service line?

Check the pipe where it enters the house near the meter. Lead is dull gray, soft and shiny when scratched. The city also has lookup tools and a replacement program.

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 Chicago

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