Fort Mill, SC is seeing rapid growth and Fort Mill, SC's' housing market remains not optimal with an average home price that is 40% above the 2023 national average. Fort Mill, SC is part of York county and taxes are an important factor to consider when purchasing a home whether through rent to own or a traditional purchase. The average tax rate as of 2023 for county York is 0.64% which is below the national average, which is 0.99%.