Tucked into the tree-lined hills of Thousand Oaks, a 1980s home by the legendary architect Frank Gehry has quietly traded hands for $2.45 million without ever hitting the open market. Commissioned in 1983 and competed in 1988, the Sirmai-Peterson House, as it’s known, sits almost an hour from downtown LA, and has garnered less attention than some of Gehry’s other residential projects, like his personal Santa Monica residence. “Nobody knew about this house really,” said listing representative