Contact Us
Main Campus Address
De La Salle High School
1130 Winton Drive
Concord, CA 94518
Main Numbers
925-288-8100 (front office)
925-288-8222 (attendance)
925-686-3474 (fax)
Office Hours
During School Year:
Mon-Fri: 7:30 am to 3:30 pm
Summer Break
Mon-Fri: 8 am to 12 pm
