Briefly:

Sales of new and existing homes in Ventura County totaled 925 in September, up 11.9% over September, 1993, Dataquick Information Systems reports. Last month’s median price of $193,000 was down 2% from a year ago. . . . Foundation Health, a health maintenance organization, paid $1.2 million for a 5.2-acre site in Ventura, where it plans to build an office building to house up to 200 employees. The seller was the Raznick Trust. . . . The Thousand Oaks office of Oltmans Construction Co. completed work in Simi Valley on a $6-million building for Warner/Electra/Atlantic, Time-Warner’s compact-disk and video subsidiary.