Moving to California or buying a car from out of state comes with one guaranteed administrative task: getting your vehicle registered here. The process is more involved than a standard registration renewal, primarily because California requires VIN verification as a prerequisite for first-time in-state registration.
Here's the complete process, in order.
Step 1: Get a VIN Verification (Form REG 31)
Before your vehicle can be registered in California for the first time, you need a completed CA DMV Form REG 31 (Verification of Vehicle). This is a physical inspection performed by a CA DMV Licensed Vehicle Verifier or other authorized person (CHP officer, DMV employee) to confirm that the VIN on the vehicle matches the documents, and that the vehicle is not reported stolen or salvaged.
A CA DMV Licensed Vehicle Verifier is the most convenient option — they come to your vehicle wherever it is parked and complete the form on-site in about 15 to 30 minutes. Pricing is set by each verifier directly — contact them for their current rates.
Find a licensed verifier in your area at the California VIN Verifier Directory.
Step 2: Get a Smog Check (if required)
Most vehicles four model years old or newer, or that have been registered in California before and are exempt under other conditions, do not need a smog check. But for most out-of-state vehicles being registered for the first time, a smog certificate will be required.
Check the California SMOG Check website or contact your local DMV to confirm requirements for your specific vehicle year and type. Note that diesel vehicles under 14,000 lbs. and vehicles 1975 or older are exempt from the smog requirement.
Electric and plug-in hybrid vehicles are also generally exempt.
Step 3: Gather Your Documents
For first-time California registration, you'll typically need:
- Out-of-state title in your name, or a Manufacturer's Statement of Origin for a new vehicle
- Completed Form REG 31 (from Step 1)
- Smog certificate (if required)
- Proof of California auto insurance (required before registration is issued)
- Completed Application for Title or Registration (Form REG 343)
- Government-issued ID
- Odometer Disclosure Statement if required for your vehicle's age
If you don't yet have the title in your name (because you just bought the vehicle and the prior owner's title needs to be transferred), you'll need to handle the title transfer simultaneously.
Step 4: Calculate and Pay Registration Fees
California registration fees vary based on vehicle type, weight, value, and county of residence. The main components include:
- Registration fee (base)
- Vehicle License Fee (VLF) — calculated as a percentage of the vehicle's value
- County/District fees
- Highway Patrol fee
- Transportation Improvement Fee (for most vehicles)
For newer or higher-value vehicles, the total can be surprisingly high — particularly the VLF, which is often the largest line item. Use the DMV's online fee calculator to estimate your specific registration cost before your appointment.
Step 5: Submit to the DMV
Once you have your documents ready, you have a few options for submitting:
Online or by mail: Some registration transactions can be completed through the DMV's online portal or by mailing documents to a DMV office.
In person: If you prefer in-person service, or if your situation is complex (title discrepancy, lien on the vehicle, etc.), a DMV field office visit may be required. Make an appointment in advance.
Through a licensed DMV partner (registration service): Many AAA branches, independent registration services, and some auto dealers are authorized to process registration applications on behalf of the DMV.
How Long Does the Process Take?
VIN verification: Same-day to next-day with a mobile verifier, or 1-2 weeks for a DMV appointment.
Smog check: Often same-day at a licensed smog station.
DMV processing: If submitted online or by mail, initial confirmation can come within a week, but the physical registration card and sticker may take 2-4 weeks to arrive by mail.
Plan on having the entire process take 1–3 weeks from start to finish if everything proceeds smoothly.
What About the 20-Day Rule?
California requires new residents to register their out-of-state vehicles within 20 days of establishing California residency. This is an aggressive timeline that catches many new arrivals off-guard. If you've just moved to California, prioritize getting your VIN verification scheduled immediately so you can begin the registration process without delay.
Driving an unregistered vehicle in California after the 20-day window can result in registration penalty fees on top of the standard registration costs.
Special Situations
Active duty military: Service members stationed in California but who are legal residents of another state may be eligible for registration exemptions under the Servicemembers Civil Relief Act. Contact the DMV for details.
Vehicles purchased at auction: Auction-purchased vehicles often have complex title histories and may require additional documentation. The VIN verification process is the same, but allow extra time for title clearing.
Vehicles with liens: If there's an existing lien on the vehicle from your home state, you'll need to provide lienholder information for California DMV records.
Summary Checklist
- [ ] Schedule VIN verification with a licensed mobile verifier
- [ ] Confirm smog check requirement and schedule if needed
- [ ] Gather: out-of-state title, REG 31, smog cert, insurance, REG 343, ID
- [ ] Calculate registration fees using DMV fee calculator
- [ ] Submit to DMV (online, mail, or in person)
- [ ] Receive California plates, registration card, and sticker
The process has a number of moving parts, but VIN verification is usually the first step that unlocks everything else. Getting that scheduled promptly — ideally before you've even moved to California with the vehicle — puts you ahead of the timeline from day one.