San Mateo County
Is Client Systems Supervisor
Darryl Frederick , working as Is Client Systems Supervisor, was employed by San Mateo County in 2025, and received regular pay of $186,918, other pay of $1,178, total pay of $188,095, benefits worth $61,988, total compensation of $250,083 including pay and benefits. This compensation was 63 percent higher than the average and 74 percent higher than the median in San Mateo County.
According to the public records employee's total compensation increased by $9,968 from 2024 to 2025, which is a 4.2 percent rise. Since 2013, the total compensation has increased by $89,113, a total rise of 55.4 percent.
| Year | 2025 |
| Full Name | Darryl Frederick |
| Job Title | Is Client Systems Supervisor |
| State | California |
| Employer | San Mateo County |
| Total Compensation | $250,083 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | San Mateo County |
| Year | 2025 |
| Number of Employees | 7,625 |
| Average Annual Wage | $153,638 |
| Median Annual Wage | $144,109 |
Darryl Frederick (2024)Is Client Systems Supervisor | View Person Details |
Darryl Frederick (2023)Is Client Systems Supervisor | View Person Details |
Darryl Frederick (2022)Is Client Systems Supervisor | View Person Details |
Darryl Frederick (2021)Is Client Systems Supervisor | View Person Details |
Darryl Frederick (2020)Is Client Systems Supervisor | View Person Details |
Darryl Frederick (2019)Is Client Systems Supervisor | View Person Details |
Darryl Frederick (2014)Advanced Systems Engineer | View Person Details |
Darryl Frederick (2014)Election Volunteer Worker | View Person Details |
Darryl Frederick (2013)Advanced Systems Engineer | View Person Details |
Xipu Yao (2025)Pharmacist at San Mateo County | View Person Details |
Viral Mehta D (2025)Leap Institute Director at San Mateo County | View Person Details |
Chris Montenegro (2025)Clinics Manager at San Mateo County | View Person Details |
Jason Deibel J (2025)Community Mental Health Nurse at San Mateo County | View Person Details |
Victoria Valencia E (2025)Supervising Mental Health Clinician - Exempt at San Mateo County | View Person Details |
Michael Byrne N (2025)Airport Manager at San Mateo County | View Person Details |
Marian Amante (2025)Ambulatory Care Nurse at San Mateo County | View Person Details |
Matilde Brito (2025)Supervising Mental Health Clinician - Exempt at San Mateo County | View Person Details |
Reena Pal (2025)Public Health Nurse at San Mateo County | View Person Details |
Sabrina Bishop (2025)Public Health Nurse at San Mateo County | View Person Details |