California’s vehicle license plates have undergone a series of transformations since the state introduced its first official plates in 1914. That inaugural year saw 123,504 registered vehicles statewide, including 43,099 in Los Angeles. Early registration fees were tied to horsepower, ranging from $5 for cars under 20 hp to $30 for 60 hp vehicles. The initial license plates measured 16 by 9 inches and featured white characters on a red enamel steel background.

The same 1914 regulations mandated driver’s licenses containing physical descriptions such as height, weight, eye color, and address, though photographs only appeared on licenses starting in 1958. Speed limits were set at 30 mph outside urban areas, and drivers were cautioned to avoid frightening horses. California has also historically required front and rear plates on vehicles, a rule that continues today despite some resistance, notably from electric vehicle manufacturers like Tesla, whose cars are not designed with front plate mounts. Fines for failing to display front plates can reach $250.

The first state-issued plate, numbered No. 1, was awarded by lottery to a Chico dealership but ended up with San Francisco Studebaker dealer Chester Weaver, who paid a premium to acquire it. Beginning in 1915, plate colors and designs started reflecting current events, such as the yellow and black “poppy color” plates commemorating the Panama-Pacific Exposition. By 1916, California introduced multi-year plates with small metal tags updated annually, featuring symbols such as the California grizzly bear and state flowers.

In 1920, the state shifted from costly enamel plates to stamped metal varieties with changing color schemes each year, allowing for annual plate replacements. Notably, the 1939 plate celebrated the Golden Gate International Exposition with the slogan “California World's Fair.” During World War II, material shortages halted annual plate production, leading to the use of metal tabs to denote registration years, and in 1944, even temporary paper permits in vehicle windshields.

Plate manufacturing shifted to state prisons later in the 20th century, with Folsom State Prison inmates producing license plates starting in 1947—a practice that continues today with approximately 45,000 plates made daily.

Throughout the state’s history, plates have played roles beyond identification, sometimes tied to public safety concerns. For instance, a notorious 1927 kidnapping and murder case involving a partial license plate sighting prompted the state to reduce plate characters from seven to six to improve legibility.

California experimented briefly with regional letter codes in 1930 to identify vehicle registrations by area, but the system was short-lived. The state’s plate design eras have included the classic black-and-gold plates of the 1960s, shifting to blue-on-white plates in more recent decades. Special historical and interest plates are available today, including red-on-white plates for vehicles recognized as historic.

Personalized or vanity plates debuted in 1970, initially costing an additional $25 to support air pollution research. The program quickly gained popularity, with 3,000 orders within the first month, prompting the DMV to establish a dedicated review process to screen for offensive language and sensitive content. This review included education in slang, foreign languages, and linguistic nuances to identify inappropriate requests. Occasionally, controversial plates have sparked legal challenges or public backlash, including a 2013 incident involving a license plate accompanied by a swastika-emblazoned frame that led to the driver’s suspension and plate cancellation.

The first personalized plate issued read "AMIGO," presented by then-Governor Ronald Reagan to a couple proud of their Mexican heritage. Other early vanity plates included “NO SMOG,” awarded in a lottery, reflecting environmental concerns of the era.

Today, Californians can select from a broad range of specialty plates, including digital options that update remotely, reflecting the state’s continued innovation and evolving approach to vehicle registration and identification.