Midwest · 972 covered ZIP codes
Plumbers in Illinois
Plumbing companies in the Thawline network serve 695 cities and towns in Illinois, from Chicago, Springfield, Peoria to smaller communities. One call connects you with a licensed plumber who works in your ZIP code.
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Plumbing conditions in Illinois
Illinois has cold, snowy winters and hot, humid summers, with heavy spring storms. Deep winter cold makes frozen and burst pipes a seasonal certainty.
Chicago's older bungalows and two-flats commonly have basements, older cast-iron drains and clay sewer lines, and basement flooding during storms is a frequent problem.
Hard freezes are a regular part of winter in Illinois, so pipes in exterior walls, garages, crawl spaces and attics need protection every year, and outdoor faucets and sprinkler lines must be drained before the first freeze.
Illinois at a glance
- Covered ZIP codes
- 972
- Cities and towns covered
- 695
- Winter freeze risk
- Hard freezes every winter
- Common foundations
- basements
- Most covered areas
- Chicago, Springfield, Peoria, Rockford, Aurora
- Region
- Midwest
Common plumbing problems in Illinois
Frozen and burst pipes
Cold snaps in Illinois freeze pipes in exterior walls, crawl spaces and garages. A frozen line often splits and leaks only after it thaws, so shut off the main if you see water.
Frozen pipe thawing →Basement backups and sump pumps
Many Illinois homes have basements, where the floor drain is the first place a sewer backup shows up and a sump pump is the main defense against groundwater.
Sump pump service →Aging pipes in older homes
Older homes in Illinois often still have galvanized supply pipe, cast-iron drains or clay sewer laterals, which corrode, crack and collect roots with age.
Repiping →Flooding and sewer backups
Heavy rain and flooding in parts of Illinois push water into basements and back up older sewer laterals. Backwater valves and sound laterals reduce the risk.
Sewer line repair →Plumber guides for Illinois cities
Local pages with each city's water provider, permit office, housing and common problems.
Where plumbers are covered in Illinois
Cities and towns with the most covered ZIP codes. Coverage is set ZIP by ZIP, so smaller towns not listed here may also be covered.
- Chicago86 ZIPs
- Springfield35 ZIPs
- Peoria29 ZIPs
- Rockford14 ZIPs
- Aurora10 ZIPs
- Bloomington8 ZIPs
- Schaumburg7 ZIPs
- Palatine7 ZIPs
- Naperville6 ZIPs
- Joliet6 ZIPs
- Elgin6 ZIPs
- Decatur6 ZIPs
- Evanston6 ZIPs
- Carol Stream6 ZIPs
- East Saint Louis6 ZIPs
- Hoffman Estates5 ZIPs
- Belleville5 ZIPs
- Des Plaines4 ZIPs
Illinois plumbing questions
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Do pipes freeze in Illinois?
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