Do you need a license for pest control in Illinois?

Yes. If you apply pesticides for hire or as part of your job in Illinois, you need a license. A license is also required for anyone who applies restricted-use pesticides, whether for hire or not.

Here’s the part most people get wrong: two different agencies regulate pest control in Illinois. Getting this right saves you from applying for the wrong license.

• The Illinois Department of Agriculture (IDOA) licenses people who apply pesticides outdoors and in agricultural production.
• The Illinois Department of Public Health (IDPH) licenses structural pest control. That covers treating insects, rodents, birds, and wood-destroying pests in and on buildings.

Most people who say “pest control” mean bugs and rodents in homes and businesses. That work falls under IDPH structural licensing, not IDOA.

Benefits of getting a pest control license in Illinois

A license does more than keep you legal. It opens the door to better-paying work and more control over your career.

• You stay compliant. Applying pesticides for pay without a license breaks state law and risks fines.
• You can buy and use restricted-use pesticides. These stronger products aren’t available to unlicensed applicators, per the Illinois Department of Agriculture.
• You earn customer trust. A license tells homeowners and property managers you’re trained to handle chemicals safely.
• You qualify for higher-paying jobs and contracts. Many commercial and government contracts require licensed applicators.
• You can start your own licensed business. A license is the foundation for building a pest control company of your own.

Types of pesticide licenses in Illinois

The Illinois Department of Agriculture offers four license types, plus 17 categories that match the kind of work you do. Pick the license that fits how and where you’ll apply pesticides.

Illinois structural pest control license

Treating buildings is a separate track. The Illinois Department of Public Health licenses structural pest control through technician certification plus a business license for the company. If you plan to treat homes and businesses for bugs and rodents, this is the track you’ll follow.

Illinois pesticide applicator license requirements

Getting an Illinois Department of Agriculture (IDOA) license comes down to a few things. You pass the required exams, pick the right license type, submit your application and fee, and carry insurance if you apply for hire.

• Pass the required exams. Score 70% or higher on the exams the IDOA requires for your license type. See the exam section below for what commercial and private applicators take, plus question counts and scores.
• Pick your license type and category. Choose the ones that match the work you’ll do (see the license types above).
• Submit your application and fee. Send both to the Illinois Department of Agriculture to finalize your license.

Commercial for-hire applicators must also show financial responsibility through liability insurance or a surety bond, per the Illinois Department of Agriculture. That means at least $50,000 per person and $100,000 per occurrence for bodily injury, a $500,000 annual aggregate, and $50,000 for property damage. Commercial not-for-hire applicators don’t need this insurance.

Which agency licenses you depends on where you work. The Illinois Department of Agriculture licenses applicators who work outdoors and in agriculture, while the Illinois Department of Public Health certifies structural pest control in buildings. Your exact requirements depend on which path you follow.

How to become a pest control technician in Illinois: step by step

Here’s the path from studying to a license in your hand. Most people follow these steps in order.

1. Study the material. Use University of Illinois Extension PSEP manuals and workbooks. You can also take self-paced online courses that give you 30-day access.
2. Register and take your exams. In-person testing through IDOA is free. Online exams carry a small proctor fee of about $12.60.
3. Pass at 70% or higher. You need this score on the General Standards exam and each category exam.
4. Submit your application and fee. Send both to IDOA to finalize your license.
5. For structural work, get certified. You’ll need to pass IDPH certification and have your employer hold an IDPH business license.

Illinois pest control license exams and testing

Every applicator passes the General Standards exam first. Then you add one or more category exams that match your work. Categories include aquatics, field crops, forest, mosquito, ornamentals, turfgrass, and right-of-way, among others. Choose the categories that fit the jobs you plan to take.

Here’s how the exams break down, according to the Illinois Department of Agriculture:

Illinois pest control license cost and fees

All Illinois Department of Agriculture licenses are now valid for three years, which changes the math on what you’ll pay. The fees below come from the Illinois Department of Agriculture.

A few extra costs to plan for:

• IDOA in-person testing is free. Online exams add a proctor fee of about $12.60.
• The optional online PSEP training course runs about $45 for 30-day access.
• For structural businesses, the IDPH commercial structural pest control business license costs $250 to start and $150 to renew. A $75 late filing charge applies too. The Structural Pest Control Act sets these fees.

How long does it take to get your license?

Plan for a few weeks to a couple of months from start to finish. Your exact timeline depends on how fast you study and when you can test.

• Study time varies. Simple categories take a few days. Denser manuals can take a few weeks.
• Online course access is a 30-day window, so start when you’re ready to focus.
• Register for in-person exams ahead of time. IDOA asks you to sign up about 15 days before your test date.
• Finalize with your application. After you pass, submitting your application and fee to IDOA completes the process.

Illinois pesticide license renewal

Renewal timelines depend on the type of pesticide work you do:

• Agricultural and outdoor pesticide work: IDOA private, commercial, commercial not-for-hire, and dealer licenses remain valid for three years, provided you renew them before they expire. See the Illinois Department of Agriculture’s licensing requirements.
• Structural pest control businesses: IDPH business licenses expire on December 31 and must be renewed annually. See the IDPH structural pest control FAQ.
• Structural pest control technicians: IDPH technician certifications must be renewed every three years. See the IDPH structural pest control program.

If you miss the structural pest control renewal deadline, you may need to pay a $75 late filing fee under the Illinois Structural Pest Control Act.

What happens if your pest control license expires?

It’s illegal to do pest control work with an expired license. If yours lapses, stop work right away and renew before you take another job. Late fees apply, and working without a valid license puts your business at risk.

Does Illinois reciprocate pesticide licenses?

Not automatically. Illinois offers reciprocity only under specific conditions, so check yours before you count on it.

You qualify only if you currently hold a license for the same application type in your home state. That license must come from a closed-book exam you passed within the previous three years. A reciprocal license is valid for one calendar year only, per the Illinois Department of Agriculture.

How reciprocity works

Reciprocity is a two-step process:

1. Submit the Reciprocity Request and Verification Form through your home-state agency.
2. Submit the Reciprocal Pest Control License Application with the fee to IDOA.

Illinois pest control salary and earning potential

As of August 2026, pest control technicians in Illinois earn an average of $20.69 per hour, or about $43,000 per year, according to Indeed. Reported wages typically range from $15.86 to $26.99 per hour—roughly $33,000 to $56,100 annually.

Pay varies based on:

• Experience. Experienced technicians can qualify for higher-paying roles and greater responsibility.
• Location. Indeed reports averages of $23.57 per hour in Springfield, $23.05 in Vernon Hills, and $22.15 in Chicago.
• Licenses and certifications. Additional credentials can qualify you for specialized pest control work and supervisory roles.
• Employer and compensation structure. Some companies offer commissions, bonuses, or production-based pay in addition to hourly wages.
• Business ownership. Operating your own licensed pest control company can increase your earning potential, although income depends on your pricing, expenses, and customer base.

National demand remains steady. The Bureau of Labor Statistics projects pest control employment to grow 5% from 2024 to 2034, faster than the average for all occupations.

A license or certification doesn’t guarantee a specific salary, but it can open the door to specialized work, greater responsibility, and higher-paying opportunities.

Requirements for starting a pest control business in Illinois

A license lets you work. A few more steps let you run your own company. Here’s the short version.

1. Define your services. Decide which pests and property types you’ll handle.
2. Get licensed and certified. Earn the IDOA or IDPH credentials that match your work.
3. Register your business. Set up your business structure with the state.
4. Get insurance. Coverage protects you, your team, and your customers.

For a structural business, you must employ at least one certified technician and hold the IDPH commercial structural pest control business license, which costs $250. You’ll also need a Certificate of Insurance. For a full walkthrough, read Jobber’s guide on how to start a pest control business.

Once you’re licensed and booking jobs, the hard part shifts to running the work and getting paid. Jobber helps pest control pros quote, schedule, invoice, and get paid, so you can spend less time on admin and more time in the field.

Originally published April 2023. Last updated September 14th, 2026.