The San Mateo County Sheriff's Homeland Security Division works daily around the clock by air, land and sea to prepare and protect our residents from a range of threats. These threats include terrorism, natural disasters, hazardous materials, global disease outbreaks and other emergencies. These operations are carried out 24/7 through the Area Office of Emergency Services and the Emergency Services Bureau.


The coming winrter of 2015 and 2016 may bring above average rainfall.  In preperation for the posibilities of severe weather and flooding a brochure for the coastside has been prepared and a list of locations where sand or sandbags for flood fighting are available.

Coastside Winter Weather Flier

Master Sandbag Location List


Download San Mateo County Sheriff’s Office Homeland Security Division 2013 Annual Report click here.