The average price of a single-family home in Calgary has dropped for the third consecutive month and in October was more than $53,000 less than it was in July when it hit a record $505,920. 1 L9 K6 T- W8 k. i+ s ; H0 R. J- f1 y" ahttp://www.canada.com/calgaryher ... ee7aa2f&k=35625