Quick Answer: Plumbing companies in Chicago must hold two licenses — an Illinois state license from the IDFPR and a City of Chicago plumbing license from the Department of Buildings. Rates run $100–$175 per hour for standard residential work, above the national average. Chicago’s pre-war building stock, harsh winters, combined sewer system, and aging pipe materials create plumbing issues that require companies with specific Chicago experience — not just any licensed Illinois plumber.
What Licenses Should a Chicago Plumbing Company Hold?
Chicago is one of the few major cities in the country with a mandatory two-layer licensing requirement:
Illinois state license — issued by the Illinois Department of Financial and Professional Regulation (IDFPR). Verify at idfpr.illinois.gov. This covers journeyman and master plumber classifications and is required for any plumbing work in Illinois.
City of Chicago plumbing license — issued by the City of Chicago Department of Buildings. Chicago maintains its own plumbing code, which differs from the Illinois state standard in several significant ways. Plumbing companies must hold both licenses to legally perform work and pull permits within Chicago city limits.
Ask for both license numbers before scheduling. Run both through the respective lookup tools. A company that holds the state license but not the city license cannot legally pull Chicago permits — don’t hire them for permitted work.
How to Find a Licensed Plumbing Company in Chicago
Step 1: Use a directory filtered to Chicago. Chicago’s 77 neighborhoods span very different service areas — a company based in Bridgeport may not routinely serve Logan Square or Beverly. Browse licensed plumbing companies in Chicago at PlumberLocator.us — Chicago Plumbers.
Step 2: Confirm both licenses. Ask for the Illinois IDFPR number and the City of Chicago license number. Verify both before scheduling. A plumbing company that can’t provide both numbers is not equipped to pull Chicago permits.
Step 3: Ask about Chicago Plumbing Code experience. Chicago uses its own plumbing code rather than the International Plumbing Code used by the rest of Illinois. The differences affect pipe materials, backflow prevention, fixture requirements, and drain configurations — particularly in older buildings. An experienced Chicago plumbing company knows these distinctions without looking them up.
Step 4: Get permits confirmed in writing upfront. Chicago requires permits for most plumbing work beyond minor repairs. Permit fees run $50–$250 depending on scope. Build them into your budget before signing an estimate.
What Do Plumbing Companies Charge in Chicago?
| Service | Typical Rate |
|---|---|
| Standard residential (business hours) | $100–$175/hour |
| Emergency / after-hours | $175–$400/hour |
| Service call fee | $75–$150 |
| Drain cleaning (single fixture) | $150–$300 |
| Sewer camera inspection | $200–$400 |
| Sewer rodding (main line) | $200–$500 |
| Water heater replacement | $1,000–$3,200 |
| Pipe thaw (frozen pipe) | $150–$400 |
| Whole-house repipe | $6,000–$18,000 |
Chicago rates are among the higher end of Midwest markets, reflecting the city’s cost of living and union labor structure. For national cost context, see how much a plumber costs.
What Services Do Chicago Plumbing Companies Offer?
Licensed plumbing companies in Chicago deal with a specific set of problems repeatedly, shaped by the city’s age, climate, and infrastructure:
Frozen and burst pipe repair. Chicago winters regularly produce temperatures below -10°F. Pipes in exterior walls, uninsulated crawl spaces, and unheated garages are vulnerable. A Chicago plumbing company experienced with freeze events will respond faster and with the right equipment.
Lead and galvanized pipe replacement. Buildings constructed before 1950 frequently have galvanized steel supply lines inside the home and lead service lines connecting to the street main. Chicago has one of the highest concentrations of lead service lines in the country. Ask any plumbing company you hire whether your home is a candidate for lead service line replacement — the City of Chicago has replacement assistance programs.
Combined sewer backup prevention. Many Chicago neighborhoods use a combined sewer system where stormwater and sewage share the same pipes. During heavy rain events, the system can overflow into basement floor drains. Backwater valve installation is a core service of experienced Chicago plumbing companies.
Sewer camera inspection. Most Chicago homes built before 1960 have clay tile sewer laterals that are prone to root intrusion and joint separation. Camera inspection before buying an older Chicago home is standard. For what to expect, see what is a sewer camera inspection and what does it cost.
Old building rough-in and remodeling. Chicago’s stock of greystones, two-flats, and vintage apartment buildings requires plumbing companies comfortable working in tight, century-old construction with cast iron drain stacks and original supply configurations.
Frequently Asked Questions About Chicago Plumbing Companies
Do Chicago plumbing companies need a city license or just the state license?
Both. A plumbing company holding only the Illinois state license cannot legally pull City of Chicago permits. Always verify both the IDFPR state license and the City of Chicago plumbing license before hiring for any permitted work.
How much does sewer rodding cost from a Chicago plumbing company?
Main line sewer rodding in Chicago typically runs $200–$500 depending on the distance and severity of the blockage. This is the most common emergency call Chicago plumbing companies receive, particularly during and after heavy rain events. If your basement drain has backed up, call the same day — don’t wait.
What should I do about a frozen pipe before the plumbing company arrives?
Shut off the main water supply immediately. If the pipe has already burst (cracked while frozen), the water will release when it thaws — turning off the main prevents flooding. Do not use an open flame to thaw a pipe. A space heater or hair dryer on low is acceptable in the interim. Document any water damage with photos before cleanup.
How quickly can a plumbing company respond to an emergency in Chicago?
Most Chicago-area plumbing companies with 24/7 service aim for 1–2 hours. During citywide events — major storms, deep cold snaps, flooding — expect longer. Call multiple companies simultaneously for emergencies. For a full guide to handling plumbing emergencies, see how to find a 24-hour emergency plumber near you.
For a step-by-step guide to vetting a Chicago plumber, see how to find a licensed plumber in Chicago, IL.
Find licensed plumbing companies in Chicago at PlumberLocator.us — Chicago, IL.