Charles Dunn Co. has begun marketing 45,000 square feet of former retail space at Northridge Fashion Center as creative office space. The Glendale-based brokerage’s Los Angeles Tri-Cities office signed a contract in mid-May with mall owner General Growth Properties to lease out the third floor at 9301 Tampa Ave. in Northridge. Read the full story in the June 11 issue of the San Fernando Valley Business Journal.