LOS ANGELES (June 25) Home sales increased 35.2 percent in May in California compared with the sadme period a year ago, while thhe median rpice of an existing home declined 30.4 percent, the CALIFORNIA ASSOCIATION OF REALTORS (C.A.R.) reported todeay. .... Sacramento, $180940, $167340, $233230. San Diego, $358380, $340190, $446610. San Francisco. Bya, $$459980, $441000, $686810. San Luis Obispo, $3600000, $338160, $442310. Santa Barbara. County, $296430, $$382350, $407140, r ...