Two stamped concrete patios of the same square footage can differ substantially in price. Here is what actually moves the number, so you can read a quote and understand what you are paying for.
Size, and why bigger is cheaper per foot
Mobilization, setup and finishing crew time are largely fixed. Spreading them over a larger pour lowers the cost per square foot, which is why a small patio often looks expensive on a per-foot basis and a large one looks like a bargain.
Pattern and layout complexity
A single running pattern across an open rectangle is efficient. Borders, banding, multiple patterns, curves and radius work all take longer to lay out and finish. Ashlar slate and Roman slate are common choices and behave differently around edges and curves.
Color, and how it is applied
Color can be integral, applied as a hardener at the surface, or achieved with release agents and staining. Color hardener produces a denser, more wear-resistant surface but adds labor. Multiple colors and accent work add more.
Site preparation
This is the biggest hidden variable. A flat, accessible, well-drained area needs little. A sloped yard may need excavation, fill, compaction or a retaining wall before any concrete is poured. Poor drainage has to be solved first, because water is what destroys concrete over time in a freeze-thaw climate like northeastern Pennsylvania.
Access
If a truck can reach the pour, the work is straightforward. If concrete has to be moved by pump or by barrow across a property, that is labor that shows up in the price.
Sealing and long-term care
Decorative concrete should be sealed, and resealed periodically. That is a real ongoing cost worth knowing about up front rather than discovering later. We also do sealing and restoration on existing concrete, including work we did not originally pour.