The Illinois locksmith exam is one of the longer trade exams in the state: 305 questions over four hours, administered by Continental Testing, and offered only in March and September. With just two windows a year, the cost of failing is not only the retake, it is six months of waiting.
The Exam at a Glance
| Questions | 305, multiple choice and true or false |
|---|---|
| Time limit | 4 hours |
| Offered | Twice a year, in March and September |
| Exam fee | $50 |
| Administered by | Continental Testing, for IDFPR |
Verified with IDFPR as of 2026. Apply at least 60 days before your target exam date. See the full locksmith license guide.
What Is on the Exam
- Locksmithing fundamentals, tools, and hardware
- Codes and applicable regulations
- Electricity and electronic access basics
- The breadth of knowledge expected of a professional, licensed locksmith
Why Timing Makes This Exam Different
Most trade exams can be retaken quickly. This one cannot. Because Illinois offers the locksmith exam only in March and September, a failed attempt sets you back roughly six months before you can sit it again. That single fact raises the stakes on preparation, and on applying early enough to make your target window.
Why People Fail It
- Underestimating the length and breadth of a 305-question, 4-hour exam
- Studying hands-on skills while neglecting codes and electricity
- Poor pacing across four hours
- Applying too late and missing the window entirely
How to Prepare Efficiently
- Apply early so you secure your March or September seat.
- Study codes and electricity, not just hands-on locksmithing.
- Practice under time to build stamina for a 4-hour exam.
- Learn from people who know the exam so you are not guessing.
Frequently Asked Questions
How many questions are on the Illinois locksmith exam?
305 questions, multiple choice and true or false, over four hours.
When is the exam offered?
Twice a year, in March and September. Apply at least 60 days ahead.
How much is the exam fee?
$50, administered by Continental Testing.
Can you help me pass?
Yes. We teach to the test and help you time your application around the exam windows. Call (773) 635-0099.
The Bottom Line
The Illinois locksmith exam is long, technical, and offered only twice a year, so preparation and timing both matter. Apply early, study codes and electricity, practice under time, and prepare with people who know the exam. That is the fastest route to passing the first time.
Next: the full license guide, or the requirements and cost.
Do Not Lose Six Months to a Miss
Only two exam windows a year. We get you ready to pass the first time.