The cost of a stamped concrete cost ranges between $9 - $13 per square foot, sometimes more, depending on how much detail you want on your surface. Since walkways can vary so drastically in their surface area, they are difficult to provide an average total cost. Please keep in mind that typically the smaller the square footage of a concrete surface, the more a contractor may charge in labor rates. Some contractors may even have just a flat minimum rate for smaller projects.The main reason is the labor component—contractors find it more economical to pour concrete and apply a pattern than to haul and place individual paving units by hand.