The average cost per square foot for granite materials ranges from $70.00 to $160.00, as of 2015. The final cost depends on factors such as the contracting company's labor prices and local granite material costs.
Prices for granite steps will vary from ZIP code to ZIP code, according to Homewyse. There are many factors that determine the retail cost for basic granite steps. These factors include typical waste coverage, sufficient material purchases for future repairs and deliveries within 25 miles of the job site. Installation prices also vary, and they include standard direct labor costs, such as planning, material and equipment acquisition costs, area protection and preparation costs, and setup and cleanup procedures.