Yes, in Connecticut you need to return your license plates or cancel the registration whenever you sell your vehicle, move out of state, drop insurance on a registered car, or have it declared a total loss. Plates belong to the owner, not the vehicle, and state law gives you 10 days after a sale to get them back to the DMV.1Connecticut General Assembly. Connecticut General Statutes Chapter 246 – Motor Vehicles Skip the step and you can end up paying property tax on a car you no longer own, or get hit with a $200 insurance compliance penalty.
Situations That Require You to Act
Four common events put the responsibility on you to either hand in the plates or cancel the registration through the CT DMV.
Selling or transferring the vehicle. Take the plates off before the buyer drives away. From the date of sale, you have 10 days to return them or cancel the registration online. Leaving the registration active means the car stays attached to your record, and property tax bills keep coming to you.2Connecticut Department of Motor Vehicles. Cancel Vehicle or Vessel Registration
Moving out of state. Once you’ve registered the car in your new state, cancel the Connecticut registration and return the plates. Two active registrations in two states creates overlapping records and ongoing Connecticut tax exposure.2Connecticut Department of Motor Vehicles. Cancel Vehicle or Vessel Registration
Dropping insurance. This is the one that catches most people. Connecticut requires continuous insurance on every registered vehicle, so if you want to let the policy go, cancel the registration first. Reversing that order kicks off the DMV’s insurance compliance process and a $200 civil penalty.3Connecticut Department of Motor Vehicles. Compliance Issues
Total loss. If the insurer totals the car, pull the plates. The insurance company deals with the title; the registration cancellation is still your job.
The 10-day clock in the statute is written around sales, but the practical rule in every scenario is the same. Act promptly. Every extra day the registration stays open is another day of potential tax and insurance liability tied to that plate.1Connecticut General Assembly. Connecticut General Statutes Chapter 246 – Motor Vehicles
When You Can Hold On to the Plates
Not every change in vehicle status forces a surrender. Two situations let you keep the plate number.
Transferring Plates to a Replacement Vehicle
Buying another car? You can move your existing plates to the new vehicle. The DMV updates the record, and any time left on the old registration is credited toward the new one. The agency calls this credit “equity,” and it’s based on full months remaining, not counting the current month.4Connecticut Department of Motor Vehicles. DMV Fees No physical return required.
Taking a Vehicle Off the Road Temporarily
For a seasonal car or a restoration project, you can cancel the registration and choose the “Customer Held” option for your plates. You store them yourself, and when you’re ready to put a vehicle back on the road, the DMV reassigns the same plates to that vehicle.5CT DMV. Terminate Registration (Plate Cancellation) The registration itself is officially canceled, which clears you of property tax and insurance compliance risk, but your plate number is preserved.
How to Return Plates or Cancel the Registration
The DMV offers three paths: online, by mail, and in person. Online is the fastest and gives you an immediate receipt.
Online
The CT DMV self-service portal handles cancellation from home. You’ll need your driver’s license number, date of birth, plate number, Social Security number, the street address on your license, and a credit or debit card. When you finish, the system issues a plate disposition receipt that serves as your proof of cancellation.2Connecticut Department of Motor Vehicles. Cancel Vehicle or Vessel Registration Any online cancellation processed since October 31, 2022 can be looked up and reprinted through the same portal.
The online process doesn’t collect the physical plates. After canceling, destroy them yourself so nobody can misuse the number. Cut or bend them until the characters are unreadable.
By Mail
Complete the Marker Plate Notice (Form E-159). If you also want a registration refund, add Form F-82. Mail the forms and the physical plates to:
DMV Registry Record Section
60 State Street
Wethersfield, CT 06161-50572Connecticut Department of Motor Vehicles. Cancel Vehicle or Vessel Registration
Use a tracked shipping method. The tracking number is your proof of delivery until the DMV processes the return and sends back a plate disposition receipt. Keep copies of everything.
In Person
Most CT DMV offices accept walk-in plate returns. Bring the plates and valid ID. You’ll walk out with a stamped plate disposition receipt, which is the strongest proof available.2Connecticut Department of Motor Vehicles. Cancel Vehicle or Vessel Registration Check office hours before you go.
Why Timing Matters
Two consequences make quick action worth it.
The first is property tax. Connecticut towns assess motor vehicle tax from the October 1 grand list each year, with vehicles taxed at 70% of assessed value.6Connecticut General Assembly. Personal Motor Vehicle Property Tax Assessments and Rates If your registration is still active on October 1, the vehicle lands on the grand list in your town, and you owe the tax whether or not you still own the car. Sell a car in September and wait until November to cancel, and you’ve just picked up another full year of tax on someone else’s vehicle. The DMV won’t undo this retroactively. If a tax bill arrives for a car you’ve already sold, the DMV copy records request (Form J-23t) can supply proof of sale, but preventing the bill is much easier than fighting it.2Connecticut Department of Motor Vehicles. Cancel Vehicle or Vessel Registration
The second is insurance compliance. If the DMV finds a lapse in insurance on a registered vehicle, you’ll get a warning notice and a registration suspension. Clearing it requires a signed consent agreement, proof of insurance, and a $200 civil penalty.3Connecticut Department of Motor Vehicles. Compliance Issues If you’d rather drop the vehicle, you can cancel the registration instead, but the $200 fine still applies along with the plate receipt and consent agreement. Ignore the notice for 30 days and the DMV can suspend your driver’s license on top of the registration. Restoring the license costs another $175.4Connecticut Department of Motor Vehicles. DMV Fees
Partial Refund of Registration Fees
Canceling well before your registration expires can get you some money back. The refund amounts are set by statute: half of a two-year registration fee if at least one year remains, one-third of a three-year fee if one to two years remain, and two-thirds if two or more years remain. Submit Form F-82 with your cancellation to claim it.1Connecticut General Assembly. Connecticut General Statutes Chapter 246 – Motor Vehicles A lot of people selling a car mid-cycle never realize the refund exists.
Lost or Stolen Plates
You can’t surrender plates you don’t have, but you still need to act. Report the loss to the DMV, and if the plates were stolen, file a police report. For replacements, submit the Replacement Plate Application (Form E-45) with a fee of $45 for standard plates or $35 for Long Island Sound or veteran plates.7Connecticut Department of Motor Vehicles. Replacement Plate Application One catch worth knowing: the DMV won’t reissue plates with the same configuration for 10 months after the loss report. If you need to drive sooner, you’ll have to take a new registration with a different plate number. If you’re not planning to replace them at all, cancel the registration so property tax and insurance compliance stop accruing.