The coastal mainland of Miami’s housing market showed improving conditions with rising price trends as well as sales and inventory across both property types. With a dozen consecutive quarters with year over year sales declines, the overall number of sales jumped 11.1% to 3,868 from the same quarter last year. After the extended period of sales declines there were still 2.4% more sales in the third quarter than the five year quarterly average of 3,778. Listing inventory rose 11.8% to 11,545 from…