As of May 01, 2026, the average salary for a Building and Grounds Supervisor I in Illinois is $62,870 per year, which breaks down to an hourly rate of $30.
However, a Building and Grounds Supervisor I's salary can vary significantly. Here’s a look at the typical salary range:
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Building and Grounds Supervisor I Salaries by Percentile
| Annual Salary |
Monthly Pay |
Weekly Pay |
Hourly Wage |
|
| 75th Percentile | $73,747 | $6,146 | $1,418 | $35 |
| Average | $62,870 | $5,239 | $1,209 | $30 |
| 25th Percentile | $54,575 | $4,548 | $1,050 | $26 |
Illinois State Gov - Joliet, IL
Wheaton Park District - Wheaton, IL
ESPO Corporation - Joliet, IL
Joliet Township High School District 204 - Joliet, IL
A Building and Grounds Supervisor I's salary isn't a fixed number. It's shaped by several important factors. Below, we'll explore how your years of experience, geographic location and company size can directly affect your earning potential.
Experience is a primary driver of a Building and Grounds Supervisor I's salary. As you build your skills and take on more complex tasks, your compensation generally increases. Here's how the average salary grows at different career stages:
| Job Role | Years of Experience | Average Salary |
|---|---|---|
| Groundskeeper | 0-1 years | $38,842 |
| Groundskeeper, Sr. | 1-3 years | $43,860 |
| Building and Grounds Supervisor I | 3+ years | $62,870 |
| Building and Grounds Supervisor II | 3+ years | $80,739 |
| Building and Grounds Supervisor III | 3-5 years | $89,399 |
What Am I Worth?
Your salary can change significantly depending on where you work. States with a higher cost of living and strong industrial sectors often pay more to attract Building and Grounds Supervisor Is. For example, consider the average annual salaries in these key locations:
Salaries can also vary between different cities. Major metropolitan areas or cities with a high demand for technicians often offer more competitive pay. Here are a few examples of average annual salaries in different U.S. cities:
Understanding how a Building and Grounds Supervisor I's annual salary breaks down can help with budgeting. Below, you can see the average hourly rate, weekly pay, and monthly pay for this role. Use the buttons to switch between different pay periods.
| Annual Salary | Monthly Pay | Weekly Pay | Hourly Wage | |
|---|---|---|---|---|
| 75th Percentile | $73,747 | $6,146 | $1,418 | $35 |
| Average | $62,870 | $5,239 | $1,209 | $30 |
| 25th Percentile | $54,575 | $4,548 | $1,050 | $26 |
For a Building and Grounds Supervisor I, the most direct path to higher earnings is advancing to the Building and Grounds Supervisor II role. This promotion typically comes with a significant pay increase, bringing the average annual salary to $80,739 - a projected growth of 28% over your current level.
Ready to take the next step in your career? Browse thousands of current Building and Grounds Supervisor I job openings on our job board. Use the search bar below to find your perfect match.
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