- What You're Actually Paying For
- The CTS Exam Fee: $248
- IDFPR Business License Application: $125
- Surety Bond and Insurance Requirements
- Renewal Costs After Licensure
- Total Cost Comparison
- What the $248 Actually Tests
- Registration Deadlines and Testing Locations
- Study Material Costs and Free Alternatives
- The Three-Year Completion Window
- Frequently Asked Questions
- The CTS exam fee is $248; the separate IDFPR business-license application adds $125.
- Unlimited licensure requires a $25,000 continuous surety bond plus $250,000 property-damage and $500,000 personal-injury coverage.
- Renewal runs $62.50 per year, or $125 for the standard two-year cycle, with licenses expiring December 31, 2027.
- You must complete the application and examination process within three years of starting.
What You're Actually Paying For
Getting licensed to run a roofing business in Illinois under the Illinois Department of Financial and Professional Regulation (IDFPR) isn't a single line item. It's a sequence of fees tied to different agencies and different purposes: one fee to sit for the Illinois Residential, Commercial and Industrial Roofing Examination through Continental Testing Services (CTS), a separate fee to actually apply for the business license, and ongoing costs to maintain bonding, insurance, and renewal status once you're licensed.
Before you spend a dollar, it helps to understand exactly what each payment buys and where it fits in the process. If you haven't already reviewed the qualification path, start with our IL-ROOF Requirements guide to confirm you're eligible for the unlimited license route before budgeting for the exam.
The CTS Exam Fee: $248
The current CTS exam fee for profession 105/test 03 - the Illinois Residential, Commercial and Industrial Roofing Examination - is $248. This is the direct unlimited route: passing it in one sitting qualifies you for the full unlimited roofing license without needing to go through a residential-only exam first. If you were instead pursuing a commercial/industrial-only upgrade, that route requires prior residential qualification, which changes the sequencing but not the underlying fee structure for the initial exam.
What that $248 buys you:
- A single attempt at a 130-question, multiple-choice examination administered over 150 minutes
- Scoring against a required passing threshold of 70 or higher
- Access to CTS testing locations in Hillside and Springfield
There is no partial credit for effort here - a 69 is a fail just like a 40 is. If you're unsure how demanding the 150-minute window actually feels in practice, our breakdown on how hard the IL-ROOF exam really is covers pacing and question difficulty in more depth.
Key Takeaway
Budget for the exam as a one-time $248 cost, but plan your preparation so you don't need to pay it twice. Retake logistics and rescheduling add both time and money you can avoid with focused prep.
IDFPR Business License Application: $125
Passing the exam is a prerequisite, not the finish line. To actually operate as a licensed roofing contractor business in Illinois, you submit a separate application to IDFPR along with supporting entity, insurance, and bonding records. The IDFPR business-license application fee is $125, distinct from the $248 CTS exam fee.
A few mechanics worth knowing before you file:
- The responsible qualifying party - the individual who takes the exam on behalf of the business - must be authorized to supervise installation and participate in day-to-day operations, not just hold a title.
- Your application needs to show entity formation documents, proof of insurance, and bonding records alongside the exam result.
- The $125 fee covers processing the application itself; it does not include the cost of the bond or insurance policies you'll need to have in place first.
If you're still mapping out who within your company should sit for the exam, our requirements and eligibility guide explains the qualifying-party role in more detail.
Surety Bond and Insurance Requirements
This is where the real cost planning happens, and it's the part most first-time applicants underestimate. Unlimited licensure requires:
- A $25,000 continuous surety bond - note this is the bond's face amount, not the premium you'll actually pay the bonding company (premiums are typically a fraction of the face amount, priced individually based on credit and business history)
- At least $250,000 in property-damage coverage per occurrence
- $500,000 in personal-injury/bodily-harm coverage per occurrence
- Applicable employment coverage for any staff you employ
None of these numbers are fees paid to IDFPR or CTS - they're coverage minimums you satisfy through insurance carriers and bonding companies, and the actual premium cost varies by provider and your business's risk profile. Still, they're a real and often overlooked part of your total cost of becoming licensed, and they need to be documented as part of your license application.
Renewal Costs After Licensure
Licensure isn't a one-time purchase. Illinois roofing contractor licenses expire on December 31 of odd-numbered years - the next expiration falls on December 31, 2027. Renewal costs:
- $62.50 per year, or
- $125 for the normal two-year renewal cycle
Renewal isn't automatic just because you pay the fee - it also requires maintaining current insurance, bonding, and designated-qualifying-party compliance. If your qualifying party leaves the business or your coverage lapses, renewal can stall even if the fee is paid.
Total Cost Comparison
Here's how the core, fixed dollar figures line up across the process. Bond premiums and insurance costs are excluded because they vary by provider and aren't published fees.
| Cost Item | Amount | Paid To |
|---|---|---|
| CTS Exam Fee | $248 | Continental Testing Services |
| IDFPR Business License Application | $125 | IDFPR |
| Surety Bond (face amount, not premium) | $25,000 | Bonding company |
| Renewal (annual) | $62.50/year | IDFPR |
| Renewal (two-year cycle) | $125 | IDFPR |
Add these up and the fixed, published fees to sit the exam and file the initial license application come to roughly $373 before you factor in insurance premiums, bonding premiums, and any study materials you purchase. Understanding this full picture matters when you're weighing whether the IL-ROOF certification is worth it for your business plans.
What the $248 Actually Tests
Since the exam fee is non-refundable if you fail, it's worth understanding exactly what's being tested before you register. The exam draws from six domains with fixed item allocations, totaling the full 130 questions:
Domain 1: Safety & Employee Protection - 25 questions
The second-largest domain on the exam. Covers OSHA-aligned fall protection, jobsite hazard management, and employee safety obligations specific to roofing work.
- Fall protection systems and anchor point requirements
- Jobsite hazard identification and mitigation
Domain 2: Roofing Preparation & Materials - 20 questions
Substrate preparation, material selection, and understanding how different roofing products behave under Illinois climate conditions.
- Underlayment and preparation standards
- Material compatibility and selection
Domain 3: Steep-Slope Roofing Systems - 35 questions
The single largest domain on the entire exam, nearly double the size of the next-largest content area. Shingle, tile, and steep-slope installation detail is heavily weighted.
- Shingle installation and flashing details
- Ventilation and drainage on steep-slope assemblies
Domain 4: Low-Slope Roofing Systems - 15 questions
Membrane systems, drainage, and low-slope-specific waterproofing concerns distinct from steep-slope practice.
- Membrane and built-up roofing systems
- Low-slope drainage and ponding-water considerations
Domain 5: Rules, Regulations & Business Practices - 20 questions
Illinois law and rules, NASCLA-aligned business material, licensing obligations, and contractor responsibilities.
- Illinois licensing law and administrative rules
- Business practice and contract obligations
Domain 6: Non-Residential Roofing Systems - 15 questions
Commercial and industrial applications that extend beyond residential steep- and low-slope work.
- Commercial roof system requirements
- Industrial application-specific considerations
For a deeper walkthrough of how these six areas interconnect and where candidates typically lose points, see the full IL-ROOF Exam Domains Guide.
Registration Deadlines and Testing Locations
Cost planning includes timing. CTS administers the exam at Hillside and Springfield testing locations, and registration deadlines are firm - missing one means waiting for the next scheduled sitting, which delays your license timeline (and potentially your business launch). For example, the November 4, 2026 examination has an October 7, 2026 registration deadline.
Missing a deadline doesn't just cost you time - it can push your renewal clock and business plans back by months. Check our IL-ROOF Exam Dates guide for the full testing calendar before you commit to a study timeline.
Study Material Costs and Free Alternatives
CTS publishes a study guide (currently dated May 2021) that lists reference material including NRCA roofing, safety, waterproofing, and repair references, roofing estimating resources, NASCLA business material, and Illinois law and rules. Sourcing these references individually can add meaningfully to your total prep cost, especially the NRCA and NASCLA materials, which are often purchased separately from publishers.
Before buying every referenced manual outright, it's worth reviewing what's actually testable versus what's background reading. Our IL-ROOF Study Guide breaks down which reference topics show up most often across the six domains, and practicing with realistic questions on our practice test platform can reduce how much reference material you need to buy outright.
Steep-Slope & Safety
- Prioritize Domain 3 (35 questions) and Domain 1 (25 questions) - together over 45% of the exam
Preparation, Materials & Business Rules
- Cover Domain 2 and Domain 5, including Illinois law and NASCLA business content
Low-Slope & Non-Residential
- Finish with Domains 4 and 6, the two smaller 15-question areas
Full Timed Practice
- Simulate the 130-question, 150-minute format under real conditions
On exam day itself, remember the logistics: bring two No. 2 pencils, and if you want a calculator, it must be non-programmable and non-printing (solar- or battery-powered is fine). Small oversights here can cost you testing time you already paid for.
The Three-Year Completion Window
One cost factor that's easy to overlook: you must complete the entire application and examination process within three years. If you pass the exam but delay filing your business license application, gathering bond documentation, or securing insurance, you risk having to retake the exam and pay the $248 fee again once that window closes.
This makes sequencing important. Lock in your insurance and bonding arrangements before or shortly after you sit the exam, rather than treating them as an afterthought once you've passed. For a full picture of what "passing" actually requires numerically, see our IL-ROOF Passing Score breakdown.
Key Takeaway
Treat the three-year window as a hard deadline for the entire process - exam, application, insurance, and bonding - not just for taking the test itself.
Frequently Asked Questions
The exam fee covers your scheduled attempt; retaking after a failing score requires re-registering and paying the fee again. Budget for the possibility of a retake by preparing thoroughly the first time.
Yes. The $248 is paid to Continental Testing Services to sit the exam; the $125 is paid separately to IDFPR when you submit your business license application afterward. They serve different purposes and go to different agencies.
No. The $25,000 is the bond's face amount, obtained through a bonding company, not a fee paid to IDFPR or CTS. Your actual premium cost will be a smaller amount determined by the bonding provider.
Renewal is $62.50 per year, or $125 for the standard two-year cycle, contingent on maintaining insurance, bonding, and designated-qualifying-party compliance. Licenses expire December 31 of odd-numbered years, with the next expiration on December 31, 2027.
You risk needing to retake the exam and repay the $248 fee, since the full application and examination process must be completed within three years. Plan your insurance, bonding, and application filing well before that window closes.
Understanding every dollar in this process - from the $248 CTS exam fee to the $125 IDFPR application and the ongoing bonding and renewal obligations - helps you budget accurately instead of being surprised mid-process. For a broader orientation to the credential itself, see What Is IL-ROOF Certification?, and when you're ready to start preparing for the content itself, practice with realistic exam questions to build confidence before exam day.