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Employee & Labor Relations

A Resource for County of San Mateo Employees, Supervisors, and Managers

B. How long are probationary periods?

Employee Relations Handbook, Probationary Period

An employee’s probationary period is made up of either 1040, 1560, 2080, or 3120 hours (equivalent to 6, 9, 12, or 18 months of full-time employment). The probationary period is calculated on the actual number of hours in a paid status. You can determine the length of the probationary period for a specific classification by accessing the job specification table database at http://hr.smcgov.org/job-classification-table

A probationary period is automatically extended by any leave of absence, provided the leave exceeds ten working days, and is in full pay period increments. So, if an employee goes on a twenty working day leave of absence, his or her probationary period is extended by twenty days, or one hundred and sixty hours.