Skip to content

Cook County · Illinois

Plumbers in Chicago, IL

Chicago has more lead service lines than any other city in America, more than four hundred thousand of them, and the reason is not neglect. For nearly a century the city required lead pipe for water service to single-family homes and small apartment buildings, so the plumbing did exactly what the code demanded.

  • Cook County
  • Illinois licensed plumbers
  • Answered 24 hours a day

Local plumbing problems

What goes wrong with plumbing in Chicago

  • Lead service lines by former requirement

    More than four hundred thousand lead service lines remain in Chicago, more than in any other American city, because the city mandated lead pipe for single-family and small apartment water service for nearly a century. Properties built before 1986 are presumed to have one unless documentation shows otherwise.

  • Combined sewer backflow into basements

    Older neighbourhoods served by combined sewers carry storm water and sewage in the same pipes. When a storm exceeds capacity, pressure builds in the network and relieves through the lowest connected openings, which are basement floor drains.

  • Four legacy materials failing at once

    A Chicago house can carry galvanized steel supply lines, cast iron stacks, older copper and a clay sewer lateral simultaneously. Each corrodes or cracks on its own schedule, producing reduced flow, leaks, backups and eventually structural failure of the pipe.

  • Clay laterals cracking and admitting roots

    Clay sewer pipe comes in short lengths with a joint every few feet, and once ground movement opens one, roots enter and expand until the line blocks. Clearing removes the mass and leaves the opening, so it returns.

  • Freeze damage in older housing

    Sustained Chicago winters put any run in an unheated basement, crawl space or exterior wall below freezing for months. Aging pipe and vulnerable water service lines are where the failures concentrate, and the flood usually arrives on the thaw.

  • Galvanized supply lines losing pressure

    Galvanized steel rusts from the inside and narrows the bore, so upstairs fixtures weaken first while the ground floor still seems acceptable. Rusty water on the first draw of the morning is the confirming sign, and cleaning cannot reverse it.

The pipe the city told you to install

Chicago’s lead service line problem is the largest in the country, and the reason is worth stating plainly because it changes how people think about it.

More than four hundred thousand lead service lines remain in the ground here, more than in any other American city. That is not the result of neglect or of corners cut by builders. For nearly a century, the city required lead pipe for water service to single-family homes and small apartment buildings. Every one of those installations was code-compliant work done correctly at the time.

The practical starting point for a homeowner is the presumption rule: properties built before 1986 are presumed to have a lead service line unless documentation shows otherwise. Checking takes two minutes. Find the pipe where water enters the basement, ahead of the meter, and scratch it gently with a coin. Lead is dull grey and soft, scratches to a bright silver, and a magnet will not stick to it. Copper scratches to a penny colour, and galvanized steel is threaded and magnetic.

Replacement across the city is estimated at around fourteen billion dollars, and under federal regulations Chicago has until 2077 to complete it. There are city programmes, including equity-focused and homeowner-initiated routes, and eligibility shifts with funding. Given the timescale, understanding your own line is considerably more useful than waiting for a citywide programme to arrive at your address.

Two floods, one floor drain

The other defining Chicago situation is the basement, and it produces two entirely different problems that present identically.

Much of the older city is served by combined sewers, carrying storm water and sewage in the same pipes. When a storm exceeds the system’s capacity, pressure builds in the network and relieves through the lowest connected opening in the area. If your basement floor drain is lower than the sewer main outside, that is you.

The other problem is groundwater. Saturated soil after heavy rain or the spring melt presses against basement walls and floors, and clean water finds its way in around the floor edge and the wall joint.

Telling them apart matters because the fixes do not overlap. Sewage through the floor drain is a surcharge problem, and a backwater valve on the house drain closes when the sewer pushes back. Clean water around the perimeter is hydrostatic pressure, and the answer is a sump pump with a battery or water-powered backup for the outage that tends to accompany a big storm. Plenty of Chicago houses have both problems and need both answers.

Four generations of pipe in one house

An older Chicago home frequently carries galvanized steel supply lines, cast iron drain stacks, some later copper, and a clay sewer lateral, all at once. Each has its own failure mode and its own timetable.

Galvanized rusts internally as the zinc coating deteriorates, narrowing the bore until upstairs fixtures run weak while the kitchen tap still seems fine. Rusty water on the first morning draw is the confirming sign, and no cleaning restores it. Cast iron corrodes worst along horizontal runs where water stands, thinning from the bottom until it cracks. Clay comes in short lengths with a joint every few feet, and once ground movement opens one, roots find it and come back every year no matter how often the line is cleared.

That last point is the one that costs people the most money over time. Clearing a root-blocked lateral buys a season and leaves the entry point exactly as it was. A camera inspection tells you how many joints are involved and whether the pipe still holds its shape, which is what decides between ongoing maintenance, lining the pipe to seal the joints from inside, and replacing a failed section.

Winter, and the line nobody insulates

Chicago cold settles in for the season rather than visiting for a night, which means freeze protection has to be built in rather than improvised. Anything running through an unheated basement, crawl space, garage or exterior wall sits below freezing for months, and in older housing those runs are common.

Insulate all of it, disconnect the hoses in autumn, and check the sump pump before you need it. The line that gets forgotten every year is the sump discharge. If it freezes or the outlet is buried in snow and ice, the pump cycles faithfully, has nowhere to send the water, and the pit overflows while the pump itself tests as working perfectly.

Our Chicago plumbers work across the bungalow belt, the pre-war neighbourhoods and the downtown high-rises, where the job shifts from laterals and service lines to building risers and stacks, and every one of them is licensed for work in the city and pulls the permits the work requires.

Chicago housing and infrastructure

The local factors that most often determine what a plumber finds and how a repair is done here.

  • Basements below the sewer main

    Chicago basements are near universal and frequently sit lower than the sewer main outside. That single fact is why backwater valves and sump pumps are ordinary equipment here rather than upgrades, and why the same storm affects two houses on one block very differently.

  • A replacement effort measured in decades

    Full lead service line replacement across the city is estimated at around fourteen billion dollars, and under federal regulations Chicago has until 2077 to complete it. For an individual homeowner, that timescale means understanding your own line rather than waiting for the city to reach your address.

  • Neighbourhoods that differ block by block

    The bungalow belt, the pre-war two-flat areas, the downtown high-rises and the newer West Loop development have genuinely different plumbing. In a high-rise the work is risers and stacks. In a bungalow it is the lateral and the service line.

  • A winter that lasts

    Cold here settles in rather than visiting, so freeze protection has to be installed rather than improvised on the worst night. Anything in an unconditioned space is exposed for months, including the sump discharge line that people insulate last and need most.

Areas of Chicago we serve

Neighborhoods and districts

  • Portage Park
  • Jefferson Park
  • Albany Park
  • Irving Park
  • Avondale
  • Logan Square
  • Humboldt Park
  • Garfield Ridge
  • Beverly
  • Chatham
  • Pilsen
  • Bridgeport
  • Bronzeville
  • Uptown
  • Rogers Park
  • Edgewater
  • Lincoln Square
  • Wicker Park
  • The Loop
  • River North
  • South Loop
  • West Loop
ZIP codes we serve in Chicago

60290, 60601–60626, 60628–60634, 60636–60647, 60649, 60651–60657, 60659–60661, 60664, 60666, 60668–60670, 60673–60675, 60677–60678, 60680–60682, 60684–60691, 60693–60697, 60699, 60701

From our approved service-area list. If your ZIP is not shown, call and we will check.

Nearby communities on our service list: Cicero, Evanston, Oak Park, Berwyn, Skokie, Des Plaines, Elmhurst, Oak Lawn, Alsip, Arlington Heights.

Plumbers near Chicago

Other cities in the area with their own local plumbing pages.

Questions

Chicago plumbing questions

Does my Chicago home have a lead service line?

If it was built before 1986, assume so until you can show otherwise, because that is the working presumption here. Chicago has more than four hundred thousand lead service lines, more than any other American city, because for nearly a century the city required lead pipe for water service to single-family homes and small apartment buildings. You can check yourself: find the pipe where water enters the basement ahead of the meter and scratch it with a coin. Lead is dull grey and soft, scratches to bright silver, and a magnet will not stick to it.

Will the city replace my lead service line?

Eventually, in principle, though the timescale is long. Replacing all of Chicago's lines is estimated at around fourteen billion dollars, and under federal regulations the city has until 2077 to finish. There are city programmes, including equity-focused and homeowner-initiated routes, and eligibility and funding change from year to year, so contacting the Department of Water Management about your specific address is worth doing. Planning around your own situation is more practical than waiting for a citywide schedule to reach you.

Why does my basement flood when it storms?

There are two different causes with one symptom, and they need different fixes. Sewage coming up through a floor drain means the combined sewer serving your neighbourhood has exceeded capacity, and the pressure is relieving through the lowest connected opening, which is your basement. A backwater valve on the house drain closes when the sewer pushes back. Clean groundwater seeping in around the floor and wall joint is hydrostatic pressure from saturated soil, and that needs a working sump pump with a backup. Many Chicago houses have both.

My drain keeps backing up even after it gets cleared. Why?

Because clearing removes the blockage rather than the reason for it. Chicago clay laterals come in short lengths with a joint every few feet, and once ground movement has opened one, roots find it and grow back in. If the line has also sagged, waste keeps collecting in the same low spot. A camera inspection tells you which you have, and therefore whether the answer is a spot repair, lining the pipe to seal the joints from inside, or replacing a section that has lost its shape.

Why is my water pressure worse upstairs than downstairs?

Almost certainly galvanized steel supply lines corroding internally. As the protective zinc coating deteriorates the steel underneath rusts, and the rust narrows the bore from the inside, so the fixtures furthest from the source lose out first. Rusty water on the first draw of the morning confirms it. No amount of cleaning restores a pipe in that condition, and repiping the affected runs is what gives the pressure back. In a house that also has a lead service line, the two jobs are often worth planning together.

What should I do before winter in a Chicago house?

Insulate every accessible supply line in an unheated basement, crawl space, garage or exterior wall, and disconnect the hoses. Then check two things people forget. The sump pump, because the melt is not the moment to discover it has seized, and specifically the sump discharge line, since a frozen discharge means the pump runs perfectly while the pit overflows. Finally, confirm your main shutoff turns, because in an old house with four generations of pipe in it, how quickly you can stop the water matters.

Two plumbers reviewing a job at a customer’s home

Get it fixed

Need a plumber in Chicago?

Describe the problem and your Chicago ZIP code. We connect you with a licensed local plumber and tell you what to do while they are on the way.

  • Licensed and insured
  • Answered 24/7
  • Price before work
(844) 644-7731