是的3年 On and after 11 Mar 2017 。https://www.iras.gov.sg/irashome/Other-Taxes/Stamp-Duty-for-Property/Working-out-your-Stamp-Duty/Selling-or-Disposing-Property/Seller-s-Stamp-Duty--SSD--for-Residential-Property/
替你默哀三秒钟就差一个月就能赶上好政策了