In summary

New California laws taking effect on Jan. 1, 2026 expand coverage for in vitro fertilization, regulate artificial intelligence, protect renters and more.

Most of the hundreds of new California laws that are set to take effect on the first day of the new year won’t change your life. They’re adjustments to existing laws and directions to state agencies to follow up on past priorities.

But some of them might have a profound effect on you or a loved one. 

Know someone who’s struggling to conceive? One new law requires more insurers to cover in vitro fertilization

How about someone who’s thinking about what to do after high school? Another new law compels more California State University campuses to offer automatic admission to seniors who meet their requirements.

Some new California laws are meant to confront some of the major questions of the moment, including how to regulate artificial intelligence and whether the state’s Democratic leaders can contest the Trump administration’s aggressive immigration enforcement.

In all, lawmakers passed 917 bills in 2025 and Gov. Gavin Newsom vetoed 123 of them. Most of the ones he signed take effect on Jan. 1.

CalMatters reporters describe some of the noteworthy new laws in the stories listed below. We’ll update this list as we publish more stories over the next few days.

New California Laws for 2026