Join Our Team


The San Mateo County Sheriff’s Office is a great place to work and is always looking for qualified applicants to join our team. Explore this area to find out how you can make a difference in your county.

In order to join the Sheriff’s Office, applicants are required to complete a number of steps in the hiring process. The steps vary according to classifications and can include a written exam, physical agility test, civil and/or departmental interviews, and a background investigation. To see current job opportunities with the San Mateo County Sheriff’s Office please click below:




The following matrix lists the six steps that make up the hiring process for the Sheriff Office, as well as the four types of classification that are hired. You will notice that not all steps are required of all classifications, and the steps that are not applicable are listed as “NA”.


Steps In The Hiring Process Per ClassificationCorrectional OfficerDeputy Sheriff TraineeDeputy Sheriff LateralProfessional Support Staff
  1. Establish automated alert(s) click here
  1. Schedule and complete the written exam (PELLETB) click here
Minimum T-Score 46Minimum T-Score 50NANA
  • Schedule and complete the physical agility test (WSTB) click here
Minimum Score 320 *Minimum Score 320 *Minimum Score 320Minimum Score 320
  1. Submit application(s) and supplemental questions click here
  1. Submit written exam and/or physical agility test results.
  1. Undergo a civil service and/or department interviews.
  1. Pass a background investigation.

For more information on Pre-employment Testing please click here

The Correctional Officer classification is one of our entry-level positions. They work exclusively in our correctional facilities and constitute an internal pool from which we recruit Deputy Sheriff Trainees.

Contact : Justine Roscoe

The Deputy Sheriff Trainee is one of our entry level positions. The Deputy Sheriff position makes up the majority of the Sheriff's Office. They staff our Core Services (Operations, Corrections, Court Security/Transportation) as well as a Specialty Assignments such as Detective Bureau, Narcotics Task Force, Gang Intelligence Unit, and SWAT Team. Candidates need not have Law Enforcement experience. They will be sponsored at a Basic Police Academy and upon graduation will participate in the field-training program. Candidates who have previously completed a Basic Police Academy, but not a field-training program also are eligible for this classification; they will be placed directly in our field-training program.

Contact : Justine Roscoe

The Deputy Sheriff Lateral classification is for experienced officers who come to us from other law enforcement agencies. Once they complete the field-training program, they are assigned throughout our organization in a variety of challenging and stimulating positions.

Contact : Justine Roscoe

Our professional support staff plays an integral part in the success of the Sheriff’s Office. The staff consists of over 40 separate classifications and 200 positions with a wide range of responsibilities. The more common classifications are:

  • Forensic Specialist
  • Crime Analyst
  • Fiscal Office Assistant
  • Property Officer
  • Legal Office Specialist
  • Criminal Records Technician

Although many of the classifications are careers in and of themselves, we encourage internal movement in the form of promotions and different assignments. This includes movement from civilian to sworn positions (e.g., Office Assistant to Correctional Officer or Storekeeper to Deputy Sheriff Trainee).

Contact : Justine Roscoe

Deputy Sheriff Reserve

The Deputy Sheriff Reserve classification operates in the same capacity as Deputy Sheriff, but they are volunteers. Deputy Sheriff Reserves are just a small portion of the over 500 individuals that make-up our volunteer force. Our other volunteers are assigned to units including, but not limited to: Search and Rescue, Radio Operations, and Mounted Patrol.

Contact : Christine Co, Program Services Manager


Air Squadron


Members are civilians who volunteer their time to provide aerial support on search and rescue operations and other types of law enforcement missions. Members must be a licensed pilot, preferably with their own plane or access to the use of a plane.

Contact Email : Christine Co, Program Services Manager


Bay Area Mountain Rescue Unit (BAMRU)


Bay Area Mountain Rescue Unit is comprised of members who train for and practice a wide variety of skills used in wilderness search and rescue operations and technical rescues. Applicants must be a strong backpacker and have some mountain climbing training and equipment. The unit provides search and rescue training.

Contact : Christine Co, Program Services Manager

Communications Unit

Members are volunteers with FCC - amateur radio licenses. These individuals assist with communication needs during search and rescue operations and disaster relief efforts.

Contact : Christine Co, Program Services Manager


San Mateo County Search & Rescue (SMCSAR)


Rescue personnel trained in medical and inland search and rescue techniques. Members provide support for planned major events and emergency callouts. All needed training is provided during unit meetings and field training sessions.

Contact : Christine Co, Program Services Manager


Cliff Rescue | Dive Rescue | Marine Unit


Individuals are trained to assist in patrolling the water ways of San Mateo County and respond to water or technical cliff rescues. Members may apply for one or all divisions.

  • DIVERS: Members must be Rescue Diver certified and own basic scuba gear.
  • CLIFF RESCUE: A 100-hour cliff rescue class is provided to all new members.
  • MARINE: Team members operate three county owned boats for use on the bay and coastal waters.

Contact : Christine Co, Program Services Manager


Explorer Post 810 (Law Enforcement)


A group of young adults between the ages of 14-20 who volunteer their time to train and work with Sheriff's deputies. Their activities include law enforcement training, patrol car ride-a-longs, jail duties, and traffic control details.

Contact : Christine Co, Program Services Manager


Explorer Post 830 (Search & Rescue)


A group of young adults between the ages of 14-20 who are trained in basic wilderness search and rescue as well as evidence searching for major criminal cases. Other activities include disaster preparedness, first aid, and basic camping.

Contact : Christine Co, Program Services Manager


Sheriff's Volunteers in Policing (SVIP)


Volunteers who contribute their time and administrative experience help aid in the smooth operation of our Sheriff's Office, while those in our patrol division provide an invaluable bridge between the Sheriff's Office and our citizenry.

Contact : Christine Co, Program Services Manager


Mounted Search and Rescue (MSAR)


The Mounted SAR Unit is made up of horse and rider teams certified in 25 skill areas. Members must have their own horse and trailer.

Many people get their first experience of law enforcement with our Sheriff’s Explorer Post. Explorers are young people who volunteer to learn and perform a variety of duties under the careful guidance of Sheriff Office staff, and many later become Correctional Officers and Deputy Sheriffs.

The San Mateo County Sheriff's Office Forensic Laboratory offers three types of internships:  One internship for high school students and two internships for college students or college graduates.

The High School Internship Program tasks students with administrative duties.  The students learn how to answer telephones, file reports, and maintain confidential documents.  These interns will spend the majority of their time in the Front Office; however, they will have the opportunity to observe laboratory analyses. 

If you would like to be considered for this internship please call Robin Foucrault at (650) 312-5307.

College students or college graduates have the opportunity to choose from one of two laboratory internship tracks:  the general laboratory internship or the latent print processing technician program.

The General Laboratory Internship is based on the needs of the laboratory and is not always available.  For more information regarding the general laboratory internship please call (650) 312-5306.

If you would like to submit your name to the waiting list for the general laboratory internship, please submit your curriculum vitae to:

Alice Hilker, Supervising Criminalist
San Mateo County Sheriff's Office Forensic Laboratory
50 Tower Road
San Mateo, CA 94402

2018 DNA Internship Application

The San Mateo County Sheriff's Office Forensic Laboratory offers an internship program specific to the Latent Print Section. The Latent Print Processing Technician Program accepts applicants on an annual basis; however, the program requires a minimum of a year commitment at 16 hours/week and each selected candidate must pass a background check to be considered for the program.

This program covers several modules such as:

  • Orientation (Laboratory; Lab Sections; Safety; Bloodborne Pathogen,...)
  • the History of Fingerprints
  • the Physiology of Friction Ridge Formation
  • Processing Techniques
  • Fingerprints and the Law
  • Digital Imaging Techniques
  • Note Taking and Report Writing
  • Court
  • Supervised Casework.

Several reading assignments, papers, oral and written tests, practical tests, and mock trials must be successfully completed in order to begin the supervised casework portion.  Upon successful completion of the program the technician will be qualified to process evidence for the presence of latent impressions.

If you would like to be considered for the Latent Print Processing Technician Program, please submit the application materials to:

San Mateo County Sheriff's Office Forensic Laboratory
50 Tower Road
San Mateo, CA 94402
Attn: Anne-Marie Toensing, Supervising Criminalist

2018 Latent Print Processing Technician Application

The San Mateo County Sheriff’s Office offers an annual Summer Internship Program. This 12-week program allows individuals to gain valuable work experience in the field of law enforcement. Participants will perform administrative functions such as answering telephones, preparing correspondence, entering data, and scanning and filing documents. Assignments include various bureaus within the Sheriff’s Office such as the Office of Emergency Services, Patrol, Professional Standards, Records, Property Services, Payroll, and Court Security/Transportation.

In order to qualify for this highly competitive opportunity, candidates must:

  • Submit a resume and cover letter when the recruitment opens (early 2018)
  • Be eligible to work in the United States
  • Be 16 years of age or older
  • Be pursuing an education or career in the field of law enforcement
  • Successfully pass a thorough background investigation prior to employment

If you would like to be considered for this internship program, please contact Dorothy Halley at