Department of Driver Services (DDS) as stated on its official page.
Closure list
Customer Service Centers, 2026: Jan 1, Jan 17, Apr 3, Apr 4, May 23, Jun 19, Jul 3, Jul 4, Sep 5, Oct 10, Nov 11, Nov 26, Nov 27, Dec 24, Dec 25, Dec 26
Contact Center and Headquarters, 2026: Jan 1, Jan 19, Apr 3, May 25, Jun 19, Jul 3, Sep 7, Oct 12, Nov 11, Nov 26, Nov 27, Dec 24, Dec 25
The official page lists these dates without holiday names.
Dates the page lists: 2026 only.
Holidays not on this list are not named as closures on the page. Individual offices can close for weather, emergencies or local events, so check your office before you go.