United States · 14 registration series, sourced from California Department of Motor Vehicles (DMV).
California has issued one continuous white-plate design with a red "California" script wordmark since the early 1990s — outliving two complete serial systems rather than being redesigned. There is no statutory replacement cycle: nonreflectorized plates from 1963 remain lawfully on the road today.
Type any California registration — valid plates render below, on their real designs.
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Everything on this page — formats, validity, colours, the renders themselves — is one request away.
GET /v1/plates/us-ca/match?plate=…
GET /v1/plates/us-ca/match?plate=123SBX4
{ "plate": "123SBX4",
"valid": true, "exact": true,
"matches": [{ "id": "us-ca-standard-123abc1",
"render_url": "…svg?serial=123SBX4" }] }
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Every California plate has been manufactured at Folsom State Prison by CALPIA, the state's prison-industry authority, since 1947.
CALPIA catalogue
The DMV's published example for the six-character automobile format is "123SAM" — but SAM is one of the 144 three-letter strings its own manual deletes from the regular series.
VIRPM 21.180
When 1ABC123 exhausted in March 2026, the DMV didn't redesign the plate — it flipped the string to 123ABC1 on the identical base, so both read as one visual plate.
reported; no DMV instrument dating the flip located
the default series issued to private road vehicles
The leading digit is a clock, not a code: issue began at 1AAA000 in 1980 and crept to 9ZZZ999 by 2026, so the first digit roughly dates the car — 1 is early eighties, 9 is the 2020s. I, O and Q sit out the outer letter slots.
In the sample, L stands for any letter and 9 for any digit.
The current standard plate, in production since the 1ABC123 format exhausted in 2026 — the same red-script-on-white design California has used for three decades, just mirrored.
When 9ZZZ999 ran out in 2026, California simply mirrored the format and restarted at 000AAA1. The plate looks identical — only the arrangement flips, and the slow series counter now lives in the last digit, which will read 1 for years to come.
In the sample, L stands for any letter and 9 for any digit.
You can tell a California truck from a car by arrangement alone: commercial serials run digit-heavy — 12345A1 — against the passenger 1ABC234. No character encodes anything; the shape of the serial is the code.
In the sample, L stands for any letter and 9 for any digit.
reduced-size series for motorcycles where format/design differs
In the sample, L stands for any letter and 9 for any digit.
trailers and semi-trailers where separately serialized
In the sample, L stands for any letter and 9 for any digit.
vintage/oldtimer regimes (German H, ES historico)
A single numbered series running since "Horseless Carriage No. 1", for engines of 16+ cylinders built before 1965 or any vehicle from 1922 or earlier.
Pure order of arrival: the statute starts the series at "Horseless Carriage No. 1" and counts upward, so a low number marks an early member of the pre-1923 club and nothing else.
In the sample, 9 for any digit.
In the sample, 9 for any digit.
Nothing to decode — the plate is a genuine old plate, and the arrangement itself is the date: yellow-on-black ABC123 says 1963–69. The DMV even does sticker arithmetic: a 1956 plate wearing a 1958 sticker counts as a 1958 plate.
In the sample, L stands for any letter and 9 for any digit.
owner-chosen serials inside an official frame
The letters mean whatever the owner paid them to mean. The delight is statutory: California calls these Environmental License Plates because the fees fund environmental programmes — search the Vehicle Code for "vanity" and you find nothing.
In the sample, L stands for any letter.
optional-design programs on standard serials (US state programs)
The one current California plate whose colors are written directly into the Vehicle Code — a reissue of the 1965–1968 black-and- yellow design, sold once 7,500 paid applications arrived.
In the sample, L stands for any letter.
In the sample, L stands for any letter and 9 for any digit.
trade/garage plates bound to a business, not a vehicle
The digits are not a series at all: California prints the dealer's own DMV occupational licence number as the serial, so the plate literally names the business that holds it — and it moves freely between that firm's vehicles.
In the sample, 9 for any digit.
short-validity plates (transit, awaiting registration)
In the sample, L stands for any letter and 9 for any digit.
civil government fleets with distinct series
E is for exempt — government fleets that pay no registration fee. On the classic plates the shape around the E was the code: a diamond meant state-owned, an octagon county or city. Since the late 1990s the plate just spells out CA EXEMPT.
In the sample, 9 for any digit.