1 On average, the average pool resurfacing job is going to cost anywhere from $4 to as much as $9 per square foot. 2  The price of resurfacing would also depend on the type of cement, upgraded plaster, stone or pebbles that you will use, as they may be more expensive than the usual plaster.he costs of pool deck resurfacing will depend on the size of the pool deck, the material used, the company you choose, and other factors.