Sheriff's Department

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The Walnut Sheriff's Station serves the cities of Walnut, Diamond Bar, and unincorporated areas of Rowland Heights and Covina. The Sheriff's personnel provide a number of programs and services to keep Walnut a safe community. Programs serving Walnut include Bike Patrol, Volunteers on Patrol, Neighborhood Watch, and Substance Abuse Narcotics Education to name a few. This station is under the guidance of Captain Jeff Scroggin. For more information on these or other services contact the Walnut Sheriff's Station at (909) 595-2264.

Sheriff's Station

Walnut Sheriff's Station
21695 E. Valley Boulevard
(909) 595-2264
(626) 913-1715                


The City of Walnut and the  Walnut/Diamond Bar Sheriff's Station is looking for community members to volunteer for the Los Angeles County Sheriff's Department Volunteers on Patrol.

To become a VOP, you need to be 18 years of age or older, not be convicted of a felony crime, have a valid California driver’s license and must also undergo a background investigation. VOPs work at least 16 hours per month and attend regularly scheduled meetings. 

Applications are available at the Walnut/Diamond Bar Sheriff’s Station located at 21695 E. Valley Boulevard or contact Volunteer Coordinator Sergeant Mark Saldecke at (909) 595-2264 or at

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