California law requires you to register an out-of-state vehicle within 20 days of its arrival in the state. The "entry date" is when the car physically crosses the border, not when you purchased it. Missing this window leads to late fees that scale based on the vehicle's value. Emissions and the "50-State" Requirement
Before traveling or shipping, run a VIN report (like Carfax) to ensure there are no liens or "salvage" brands on the title that might complicate CA registration.
If you drive the car back, you may need a temporary operating permit from the state of purchase. If you ship it, keep the bill of lading as proof of the date the car entered California. If you'd like to get started on the logistics or budgeting: Vehicle year and mileage (to check smog/new car rules) The state where the car is currently located Your California zip code (for tax calculation) buying a used car out of state california
Required only if you are registering a truck or pickup. Taxes and Fees
The physical or electronic record from a CA smog station. California law requires you to register an out-of-state
California considers any vehicle with fewer than 7,500 miles on the odometer to be "new." You generally cannot bring a "new" out-of-state vehicle into California unless it is certified for California emissions.
This form confirms the VIN and engine numbers. While some peace officers can sign this, it is usually easiest to have a DMV employee or a licensed vehicle verifier do it in person. Emissions and the "50-State" Requirement Before traveling or
The biggest hurdle is the Smog Check. Even if a car passed an emissions test in another state, it must pass a California-specific Smog Check at a licensed station before it can be registered.