Report a Hazard

Use these numbers to report hazards on the road. If you find a number is incorrect or out of date, please let us know by using the contact form to the lower right of this page.

Region Phone Number Report
Atherton (650) 752-0570 Report Online
Belmont (650) 595-7425 Report Online
Brisbane (415) 508-2130 Report Online
Burlingame (650) 558-7670
Campbell (408) 866-2145 Email Complaint
Colma (650) 757-8888 Email Complaint
Cupertino (408) 777-3269 Report Online
Daly City (650) 991-8097 Email Complaint
East Palo Alto (650) 853-3100
Foster City (650) 286-8140 Report Online
Gilroy (408) 846-0451 Report Online
Half Moon Bay (650) 726-7177
Hillsborough (650) 375-7444 Email Complaint
Los Altos (650) 947-2785 Report Online
Los Altos Hills (650) 941-7222 Report Online
Los Gatos (408) 354-6865 Email Complaint
Menlo Park (650) 330-6780
Millbrae (650) 259-2374 Report Online
Milpitas (408) 586-2600 Email Complaint
Monte Sereno (408)354-7635 Report Online
Morgan Hill (408) 776-7333 Report Online
Mountain View (650) 903-6329 Report Online
Pacifica (650) 738-3760 Email Complaint
Palo Alto (650) 329-2295 Report Online
Portola Valley (650) 851-1700 Report Online
Redwood City (650) 780-7464 Report Online
San Bruno (650) 616-7160
San Carlos (650) 802-4140 Report Online
San Jose (408) 794-1900 Report Online
San Mateo (650) 522-7350 Report Online
San Mateo County (650) 363-4103
Santa Clara (408) 615-3080 Report Online
Santa Clara County (408) 494-2750 Report Online
Saratoga (408) 868-1245 Report Online
South San Francisco (650) 877-8550 Report Online
Sunnyvale (408) 730-7415 Report Online
Woodside (650) 851-6790
State Highways Phone Number Report
CalTrans District 4 Headquarters (510) 286-4444 Report Online
CalTrans (drain grates) (510) 286-6377
CalTrans (road hazards on El Camino Real or freeway ramps) (650) 358-4127
CalTrans (signals on El Camino Real) (650) 557-1309
CalTrans Construction Office (construction on El Camino Real) (650) 570-0588