Residential Property Prices in South Korea increased 0.36 percent in September of 2025 over the same month in the previous year. Residential Property Prices in South Korea averaged 6.63 Percent from 1976 until 2025, reaching an all time high of 56.01 Percent in the second quarter of 1978 and a record low of -12.77 Percent in the fourth quarter of 1998.