If you've ever wondered why two contractors with similar payrolls pay dramatically different workers' compensation premiums, the answer usually comes down to three or four digits — your class code. Understanding how class codes work in Florida is the single most important step toward knowing whether you're paying a fair rate.
What Is a Workers' Comp Class Code?
A class code is a four-digit number assigned to a category of work based on the type of operations employees perform and the injury risk associated with those operations. In Florida, these codes are established by the National Council on Compensation Insurance (NCCI), the rating bureau that sets the filed rates used statewide.
Every job type has its own code. A roofing laborer carries a different code than a roofing estimator working in an office. A concrete worker pouring foundations uses a different code than someone finishing interior floors. The differences aren't cosmetic — they reflect real differences in claim frequency and severity that insurers have tracked over decades.
How Rates Are Attached to Each Code
Each class code has an associated manual rate expressed as a dollar amount per $100 of payroll. Florida's rates are filed with and approved by the Florida Office of Insurance Regulation (FLOIR) and updated annually through the NCCI rate filing process.
For example, using the 2025 Florida filed rates:
| Class Code | Description | 2025 Rate per $100 Payroll |
|---|---|---|
| 5551 | Roofing — all types | ~$22.00+ |
| 5645 | Carpentry — residential framing | ~$9.69 |
| 5190 | Electrical wiring — commercial | ~$4.50 |
| 0042 | Landscaping — no tree work | ~$6.10 |
| 8810 | Clerical office employees | ~$0.18 |
The range is enormous. A roofing contractor paying the same $500,000 in annual payroll as a tech company's support staff will pay roughly 120x more in base workers' comp premium. That's not a bug — it reflects the actual difference in injury exposure.
How Florida Assigns Your Code
Class codes are assigned based on the actual operations performed by employees, not the industry your business is registered in or what your company name says. The governing rule is called the governing classification — the single code that best describes the majority of your payroll exposure.
If your employees perform multiple types of work, they may be split across multiple codes. A general contractor might carry codes for framing (5645), supervision (5606), and office staff (8810) simultaneously, each applied to the corresponding portion of payroll.
What Happens If You Have the Wrong Code
Misclassification goes both ways — and neither direction ends well.
- Underclassified: If your workers are assigned a lower-risk code than their actual work warrants, a year-end audit will reclassify them. You'll receive an audit bill for the premium difference, often with little warning.
- Overclassified: If you're carrying a higher-risk code than necessary, you're overpaying every single month. Many business owners don't realize this until someone runs a comparison against the filed rates.
Finding Your Florida Class Code
The most reliable way to find your correct code is to look at your current workers' comp policy — it's listed on the declarations page. If you're a new business or are evaluating options, you can:
- Search our complete Florida class code database by description or number
- Reference the NCCI's Scopes Manual (the official governing document for code descriptions)
- Ask your current carrier or broker — they're required to tell you what codes your payroll is assigned to
Why Code Accuracy Matters Under a PEO
Under a PEO (Professional Employer Organization) arrangement — which is how Florida's pay-as-you-go workers' comp programs work — your class code is still the foundation of your premium. The PEO accesses group rates across its entire book of business, which often results in lower effective rates than a standalone policy. But the code itself still drives the calculation.
Getting your code right upfront means your first payroll billing is accurate, there are no surprises mid-year, and the savings comparison you see in our quote tool reflects your actual exposure.
The Bottom Line
Your class code is the foundation of your workers' comp cost. Verify yours is correct, understand what rate it carries under the 2025 Florida filings, and compare that against what you're currently paying. If there's a meaningful gap, that's the conversation worth having.