Plumber cost in Illinois
Plumbing in Illinois costs about 26% above the national average, based on local plumber wages. Here are estimated Illinois prices for the jobs homeowners book most, plus what to know about licensing and common local problems.
Quick answer
$355estimated average repair in Illinois
Most Illinois homeowners can expect to pay about $160 to $440 for a typical plumbing repair, and $55 to $190 per hour for labor. The median Illinois plumber earns $46.25 an hour, compared with $30.27 nationally.
Plumbing prices in Illinois
| Job | Illinois | U.S. average |
|---|---|---|
| Average plumbing repair | $160 – $440 | $125 – $350 |
| Plumber hourly rate | $55 – $190 | $45 – $150 |
| Emergency plumber hourly rate | $125 – $440 | $100 – $350 |
| Drain cleaning (one drain) | $125 – $350 | $100 – $275 |
| Toilet replacement, installed | $440 – $1,010 | $350 – $800 |
| Water heater repair | $190 – $885 | $150 – $700 |
| Tank water heater, installed | $760 – $3,920 | $600 – $3,100 |
| Main sewer line repair | $2,375 – $4,675 | $1,880 – $3,700 |
Estimates apply a cost index of 126 (U.S. = 100). Big metro areas usually cost more than the statewide estimate; rural areas, less.
Hiring a licensed plumber in Illinois
The Illinois Department of Public Health licenses plumbers and plumbing contractors. You can verify a license through the department's online lookup.
- Ask for the license number and proof of liability insurance.
- Confirm who pulls the permit for water heater, gas and sewer work.
- Get the price, scope and warranty in writing.
Common plumbing issues in Illinois
- Illinois has the highest median plumber wage in our data, so labor costs are well above the national average, especially in the Chicago area.
- Illinois law requires utilities to replace lead water service lines over time. Ask your utility whether your line is scheduled before paying for a main line replacement yourself.
- Cold winters make freeze protection and sump pumps important in many basements.
How to pay less
- Compare three written quotes for jobs over $500.
- Book during weekday business hours.
- Bundle small repairs into one visit.
- Read How to find an affordable plumber before you hire.
How we estimate local prices
We scale national price ranges by a state cost index based on the median plumber wage from the U.S. Bureau of Labor Statistics. See Plumbing costs by state for the method and all 50 states.
Frequently asked questions
How much does a plumber charge per hour in Illinois?
An estimated $55 to $190 per hour during business hours, with emergency rates higher.
How much does it cost to replace a water heater in Illinois?
A standard tank water heater costs an estimated $760 to $3,920 installed in Illinois.
Sources
Prices are national estimates for 2026 based on published cost surveys and labor data. Your local price can be higher or lower. FairFix Costs is not a plumbing contractor; read our disclaimer.