Portola Valley, CA
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The Town of Portola Valley and the San Mateo County Sheriff’s Office have a longstanding agreement for the County to provide law enforcement services to the town.
The Town’s current contract with the Sheriff’s Office provide for these basic services:
- One patrol deputy available to serve the town 24 hours a day/7 days a week
- Traffic and parking enforcement services
- Criminal investigations, including detective
July 2026 Updates
Community Safety Report for Portola Valley
The Sheriff’s Office released the attached quarterly Community Safety Report for Portola Valley between April and June 2026. During this period, San Mateo County Sheriff's deputies responded to 461 calls for service in Portola Valley, reflecting continued proactive patrol, emergency response, and community engagement throughout the town. Crime remained low overall, with zero reported residential burglaries, two vehicle burglaries, one vandalism incident, seven larceny/theft incidents, and one aggravated assault. Traffic enforcement increased significantly, with 153 citations issued as part of ongoing efforts to improve roadway safety, alongside one reported traffic collision. Looking ahead, deputies will continue prioritizing traffic safety, crime prevention, and community outreach this summer, including e-bike safety education for residents.
Traffic and Accident Report for Portola Valley
The Sheriff’s Office released the Traffic and Accident Report for Portola Valley between January and June 2026.
2025
Town Annual Report for the Fiscal Year 2024-25 from the San Mateo County Sheriff's Office
Town Annual Report Presentation to the Town Council for the Fiscal Year 2024-25 from the San Mateo County Sheriff's Office
If you see something or hear something suspicious, stay calm and report it. For an emergency: call 9-1-1. For non-emergency business, call San Mateo County Sheriff: 650-363-4911
To enroll in San Mateo County's Community Alert System (SMC-Alert), please click here. We encourage all residents to subscribe to this free alert notification system to receive important information via their email and/or cell phones during urgent or emergency situations.
To receive Town updates on public safety, sign up for Town Safety eNotices here.
Town and Sheriff's Office Shares Safety Tips for Preventing Residential Burglaries
The Town and the San Mateo County Sheriff’s Office are committed to community safety and share the following tips to help prevent residential burglaries:
- The Sheriff's Office offers a Vacation House Watch Program. Fill out an online form to request deputies periodically check on your house, subject to availability.
- If you have a security system, be sure to utilize it. Doorbell and security cameras not only help deter crime, but they also provide important footage that can assist law enforcement in solving cases. The Sheriff's Office has a private video surveillance system program that helps them identify cameras in areas where crime occurs. By registering private cameras, residents can help deter crime and protect the community, while contributing to the overall crime reduction strategy of the Sheriff’s Office. See: https://www.smcsheriff.com/security-camera-registry
- Don't give hideouts. Trim bushes and trees near windows to eliminate potential hiding spots.
- When traveling, hold your mail and deliveries, or ask a trusted neighbor to collect them. Don't leave out garbage and recycling bins for extended periods.
- Don't advertise your travel plans on social media. Avoid posting travel plans or vacation photos until after you return.
- Report suspicious activity. Call the Sheriff’s Office at 650-363-4911 or dial 911 in an emergency.