10 Facts about the new BC HST Harmonized Sales Tax of 12% and it?s implications on the British Columbia housing market. The Harmonized Sales Tax (also known as the new BC HST) is 12% tax applicable to most goods and services, including new homes, real estate, and property.   The new B.C. HST 12% Tax is the combination of the Federal Goods and Services Tax (5% GST) and the Provincial Sales Tax (7% PST).   Implementation of the BC Harmonized Sales Tax will take place on July 1, 2010.   The BC HST ... Full Article...