Del Rey posted a snippet of the song on Instagram on April 3, 2019. On July 30, 2019, fans discovered the official title was "California" after using Shazam to identify the snippet from Instagram.
It is rumored that the track belongs to a scrapped album with The Last Shadow Puppets along with the song "Thunder".
- California is directly referred in a lot of her songs including Fuck It I Love You, Freak, How to Disappear, Angels Forever, Forever Angels, and Shades of Cool.
- Trying to be stronger is also a topic in "Venice Bitch".
- The phrase "I'll catch you on the flipside" is a direct reference to "Flipside".
- The lyric "Your favorite liquor off the top-shelf" is similar to "'Cause her liquor's top shelf" in "Carmen".
- Del Rey also counts "One, two, three, four" in "Summertime Sadness" and "Push Me Down".
- Lana Del Rey — songwriting, additional production, vocals, programming, synthesizer, horns
- Zachary Dawes — songwriting, production, piano
- Jack Antonoff — production, engineering, mixing
- Laura Sisk — engineering, mixing
- Jonathan Sher — assistant engineering
- John Rooney — assistant engineering
- John Congleton — engineering
- Dean Reid — engineering, mixing, bass guitar
- Kieron Menzies — engineering, mixing, synthesizer, mellotron
- Nicolas Jodoin — assistant engineering
- Travis Pavur — assistant engineering
- Loren Humphrey — drums
- Darren Weiss — drums
- Mike Riddleberger — drums
- Sean Hutchinson — drums
- Evan Weiss — guitar
- Benji Lysaght — guitar
- Tyler Parkford — hammond B3
- Woozy Biff — harp
- Mikey Freedom Hart — mellotron, piano
- Adam Ayan — mastering
- Chris Gehringer — mastering
- Will Quinnell — assistant mastering
- Mastered at Sterling Sound
- Recorded at Valentine Recording Studios, Los Angeles, United States / Hampstead Studios, London, United Kingdom / Conway Recording Studios, Los Angeles, United States / Electric Lady Studios, New York, United States
- Mixed at Conway Recording Studios, Los Angeles, United States