This publication provides instructions for completing the CalPERS. To retire you must meet two requirements: age and service credit .Your minimum retirement age depends on your retirement formula: 50, 52, or 55 . Such a Safety Member may, however, retire at age 50 with 20 years of Service Credit, with a proportionately reduced Unmodified. Please select a method of payment and fill in the appropriate information. If you retire or separate from service, and you are a Tier I, A, or B member in the San Diego County Employee. Another San Diego early retirement strategy is to rent out a room or two out in your home. A worker can choose to retire as early as age 62, but doing so may result in a reduction of as much as 30 percent. According to our study, 61 is the earliest possible retirement age for the average San Diego resident. For CalPERS member assistance from CalPERS, call 888-225-7377 or visit the CalPERS member website​.