Online UAS Notification

You can now notify the San Carlos & Half Moon Bay Airport online prior to your non-commercial UAS operations!

Public Advisory Freeze Alert

Frigid temperatures and gusty winds can cause pipes to freeze. Property owners and residents can take some simple precautions to prevent the inconvenience and expense of frozen water pipes.

Safety First For All Crystal Springs Trail Users

Crystal Springs Regional Trail is highly popular with various types of users – hikers, joggers, bicyclists, equestrians, and families pushing strollers. We want trail use to be safe for everyone. Be respectful of all on the trail and know the rules of the road.