SMC Alert is a free, county-wide alert notification system operated by the San Mateo County Office of Emergency Services used to immediately contact you during urgent or emergency situations. Select the group "Hillsborough" and/or any town in the county. You can receive updates via email or text messages. smcalert.info
The Hillsborough Police Department (HPD) posts crime alerts, news, information, and emergency notifications on their Twitter page. You can view tweets with or without a Twitter account. You can receive tweets via SMS texts to your mobile device by following @hillsboroughpd and enabling text alerts within your account settings. If you choose not to create a Twitter account, you can still receive text alerts on your mobile device by texting "follow hillsboroughpd" to the number 40404.