Why there is no single price
Anyone who quotes an epoxy floor sight-unseen is guessing. Cost is driven by the system you actually need, the condition of your slab, and the demands of your environment. The same square footage can vary widely depending on these factors.
The biggest cost drivers
System type and thickness lead the list: a thin-mil coating costs far less than a high-build or troweled system. Surface preparation is next, a clean, sound slab is cheap to prep, while one that needs extensive grinding, crack repair, or moisture mitigation adds real cost. Then come the extras: decorative finishes, ESD properties, chemical-resistant topcoats, and slip-resistant aggregate.
The hidden line item: moisture
Moisture mitigation is the cost most quotes leave out, and the one that causes the most failures when skipped. If your slab has a moisture problem and the contractor does not address it, you are paying for a floor that will delaminate. A proper moisture test up front protects your investment.
Getting an honest number
The only way to a real price is a site visit: someone evaluates the slab, tests for moisture, and matches a system to your actual conditions. We would rather give you an accurate number based on what we see than a cheap one that balloons mid-project or fails early.