LOS ANGELES — RP Properties has purchased 9300 Wilshire Boulevard, a six-story, Class A office property located in West Los Angeles, for $11 million or $188 per square foot. The 58,484-square-foot building is situated on 16,409 square feet of ground-leased land. At the time of escrow, the property was 95.8 percent occupied. The seller was Lexington Properties. Bob Safai of Madison Partners represented the buyer in the transaction.