Question: how much does it cost to build a basketball gym in your house?
Answer: Sport Court Costs If you want to build an indoor or outdoor basketball court, the total expense ranges from $11,000 on the low end, $35,000 on average and $76,000 on the high end for a size measuring 94 by 50 feet. These costs translate into a price of $3.50 to $17 per square foot.