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Winter Weather Information
Winter Storm PreparednessAre You Prepared for the Upcoming Winter Season?
Even though the rest of the country associates sunshine and palm trees with the state of California, we still experience the type of winters that can bring some extreme weather patterns. Below are some of the ways you can help prepare your home and family for what winter may bring our way this season.
How You Can Protect Your Home & Family
Emergency Kit Keep an emergency kit in your house. Check out the www.ready.gov website for some helpful resources on this subject.
Clean Gutters of Debris Keep your gutters clear of leaves and debris.  These items can clog storm drains and lead to flooding.  If you see leaves covering a storm drain grate clean them off.  The City of San Mateo asks residents to never lift or remove storm drains.
Rain in the Forecast If rain is in the forecast, homeowners are encouraged to get sandbags to protect your property.  The City offers a 24/7 self-serve sandbag location near the Waste Water Treatment Plant and a 2nd location at the Corporation Yard which has limited hours. See Sandbag Locations
Who to Call
Blocked Storm Drains (650) 522-7300
Creek Concerns (650) 522-7300
Downed Trees and/or Branches (650) 522-7420
Report Flooding (650) 522-7300
Sandbags (650) 522-7299
Power Outages (PG&E) PG&E Online Reporting
Sandbags Available to San Mateo Residents
SandbagsSandbags are a critical tool in storm preparedness!

We make sandbags available starting November 2nd through April 17th at the following locations.

NOTE: Sandbags are available to San Mateo Residents and Property Owners only. 

The Ways Public Works is Preparing for this Winter Season
  • Lowering the water level of marina lagoon in order to handle additional storm run off.
  • City crews will be cleaning approximately 200 downtown trash capture devices.
  • The city is hiring a contractor to vacuum clean 4,700 catch basins throughout San Mateo.
  • City crews will be removing vegetation from creeks and channels to prevent clogs and backups.
  • City stockpiling sandbags in preparation for the self-serve station during storms.

San Mateo City Hall – 330 West 20th Avenue, San Mateo, CA 94403

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