According to our records, this business is located at 23901 Calabasas Rd. in Calabasas (in Los Angeles County), California 91302, the location GPS coordinates are: 34.1542078 (latitude), -118.6478534 (longitude). Robert Rosenweig Mass Mutual is categorized under Insurance Companies (SIC code 6411). Known organization manager is Robert Rosenweig. Current estimates show that the unit has a sales volume of $276,000 and staff of approximately 2 people. You can contact the company by phone at (818) 225-7958; the following fax number is also provided: (818) 224-2637.