How do I renew CT vehicle registration? Connecticut

Registration Renewal in CT

The DMV will mail you a register car renewal notice approximately 60 days prior to the expiration date of your current car registration. Full renewal instructions will be included on the notice, including your vehicle registration fee.

After completing, mail the renewal notice (you cannot renew in person), along with your DMV registration payment, to:

Department of Motor Vehicles
P.O. Box 150444
Hartford, CT 06115-0444

You will be assessed a $10 late fee if you do not renew your registration within five days after the expiration date.

The DMV will not renew your registration if:

  • You're delinquent on your municipal property tax.
  • You have outstanding parking tickets.
  • Your car registration has been suspended.
  • You lack proof of passing an emissions inspection.

Connecticut Emissions Testing

All vehicles registered in CT must pass a smog check every two years. You will be notified when your vehicle is due for a smog inspection, allowing you, if you so choose, to have it inspected up to 90 days in advance. Emissions testing costs $20.

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