The 3,335-square-foot house was built in 1938.
Ginger Glass of Coldwell Banker Residential Brokerage is the listing agent for the home.
Simon is a mystery author and screenwriter, and the CEO at Pajamas Media in Los Angeles.
Longin is also a screenwriter who penned the screenplay for the 1999 comedy hit Dick, starring Kirsten Dunst and Michele Williams.
According to BlockShopper.com, there were 456 sales in Hollywood in 2008, with a median sales price of $715,000.
Address: 2393 Castilian Drive
Buyer(s): Sheryl Longin (Trustee), Roger L Simon (Trustee) and Simonlongin (Family Trust)
Seller(s): Sheryl J Longin and Roger L Simon
Sale date: Aug. 14, 2000