While key price trend metrics slipped from their prior quarter records, they also surged from year ago levels, partly aided by the record increase in sales size. Property demand has skewed to larger sized homes, uplifting the once dormant luxury market. The median sales price county-wide jumped 31.3% to $499,000, the second highest level on record, while average sales size rose by a record rate of 13.2% to 2,375 square feet respectively over the same…