Connecticut registration renewal happens online, by mail, or in person at a DMV office, and you can start the process up to six months before your registration expires

Connecticut allows you to renew your vehicle registration through three routes: the Connecticut DMV website (ct.gov/dmv), by mail using the renewal notice that arrives at your address, or by visiting a DMV office in person. The online method is fastest—you can complete it in minutes and print your temporary registration when ready. Mail renewal takes about two weeks. In-person renewal at a DMV office is the slowest option but necessary if you have unpaid violations, a lapsed inspection, or other issues that prevent online renewal.

You can begin the renewal process up to six months before your current registration expires. The expiration date appears on your registration card and on your vehicle's license plate (the month and year are in the top right corner). Starting early gives you time to handle any problems—like a failed inspection or unpaid tickets—before your registration actually lapses.

Key Takeaways

  • Connecticut DMV online renewal at ct.gov/dmv is available 24/7 and takes about five minutes; you receive a temporary registration when ready and the physical card by mail within two weeks.
  • You need your current registration card, vehicle identification number (VIN), and a valid payment method (debit or credit card) to renew online.
  • Mail renewal requires no action from you if you received a renewal notice—straightforward return the form with payment in the envelope provided, and allow two weeks for processing.
  • Your vehicle must have a current inspection sticker (valid within the past year) before you can renew registration; if your inspection is expired, you must get a new one first at a participating repair shop or inspection station.
  • If you cannot renew online because of unpaid violations, an expired inspection, or a lien on the vehicle, you must visit a DMV office in person with proof of resolution.

Online renewal through the Connecticut DMV website

Visit ct.gov/dmv and select "Renew Vehicle Registration" from the homepage. You will need your current registration card, your vehicle's VIN (found on the card, your insurance documents, or the driver's side dashboard), and a debit or credit card for payment. The system will ask for your vehicle's make, model, year, and license plate number to pull up your record.

The renewal fee in Connecticut is $120 for a standard passenger vehicle registration valid for two years. Some vehicles pay different amounts—commercial vehicles, motorcycles, and trailers have separate fees. The website will show you the exact amount before you confirm payment. Once you complete payment, the system generates a temporary registration that you can print when ready. This temporary registration is valid for 45 days while you wait for your permanent registration card to arrive by mail, which typically takes 10 to 14 business days.

Online renewal is not available if your vehicle has unpaid parking or traffic violations, if your inspection sticker is expired or missing, if there is an active lien on the vehicle, or if the DMV has flagged your record for any reason. If the system will not let you proceed, you will see a message explaining why. In that case, you must resolve the issue before trying again or visit a DMV office in person.

Renewing by mail using your renewal notice

Connecticut sends renewal notices by mail about 60 days before your registration expires. The notice includes a form, payment instructions, and a prepaid return envelope. To renew by mail, sign the form, enclose a check or money order for the renewal fee ($120 for most passenger vehicles), and mail it back in the envelope provided. Do not send cash through the mail.

Processing takes approximately two weeks from the date the DMV receives your envelope. During this time, you are still legally registered as long as your current registration has not yet expired. Once processed, your new registration card will arrive by mail. If you need to drive before the new card arrives and your current registration has expired, print a copy of your renewal notice to carry with you—it serves as proof that you have renewed.

Mail renewal is the simplest option if you do not have internet access or prefer not to pay online. However, it requires you to have received the renewal notice. If you did not receive one, or if you lost it, contact the Connecticut DMV at 860-594-1000 to request a duplicate notice or to renew through another method.

In-person renewal at a Connecticut DMV office

Visit a Connecticut DMV office with your current registration card, your vehicle's title or proof of ownership, a valid photo ID, and payment for the renewal fee. DMV offices are located in Wethersfield, Norwalk, Waterbury, and Danielson. You can find hours and locations at ct.gov/dmv. Walk-in service is available, but wait times vary; you can also schedule an appointment online to reduce your time in the office.

In-person renewal is required if you cannot renew online because of unpaid violations, an expired inspection, or a lien issue. Bring documentation showing that the problem has been resolved—for example, a receipt showing that you paid a violation, or a current inspection sticker. The DMV staff will verify the resolution and process your renewal on the spot. You will receive a temporary registration when ready and your permanent card by mail within two weeks.

If your vehicle's title shows a lienholder (a bank or finance company), bring the title with you. The DMV will verify the lien status in their system. If the lien has been satisfied but not yet removed from the title, bring a lien release letter from the lienholder.

What to do if your inspection sticker has expired

Connecticut requires all registered vehicles to have a current inspection sticker before registration can be renewed. The sticker is valid for one year from the month it is issued. If your sticker has expired or is missing, you must get a new inspection before you can renew your registration—online renewal will be blocked, and the DMV will not process a mail or in-person renewal without one.

Take your vehicle to any Connecticut repair shop or inspection station that performs state inspections. A basic inspection costs between $15 and $20 and takes about 15 minutes. The inspector checks your brakes, lights, windshield wipers, horn, steering, suspension, and emissions (for vehicles subject to emissions testing). If your vehicle passes, you receive a sticker to place on your windshield. Once you have the sticker, you can proceed with registration renewal through any method.

If your vehicle fails inspection, the shop will tell you what needs to be fixed. Common failures include worn brake pads, burned-out headlights or taillights, and expired emissions tests. Once repairs are made, you can return to the same shop for a re-inspection, usually at no additional charge. After passing, you receive your sticker and can renew registration.

Handling unpaid violations or other registration holds

If you have unpaid parking tickets, traffic violations, or other fines, the Connecticut DMV will not allow online renewal. The system will display a message indicating that your record has a hold. You must pay the violation before you can renew. Contact the court or municipality where the violation was issued to find out the amount owed and payment options. Most courts accept payment by phone, online, or by mail.

Once you have paid, the hold may take 24 to 48 hours to clear from the DMV system. After that time, try online renewal again. If the hold persists, visit a DMV office in person and bring proof of payment (a receipt or confirmation number). The staff can verify that the violation has been resolved and process your renewal when ready.

Frequently Asked Questions

Can I renew my registration if my vehicle has a lien on it?

Yes, but you must bring your vehicle's title to a DMV office. The DMV will verify the lien status in their system. If the lien is current and valid, renewal is allowed. If the lien has been paid off but not yet removed from the title, bring a lien release letter from the lienholder to show the DMV.

What happens if I let my registration expire?

Driving with an expired registration is illegal in Connecticut and can result in a fine. If your registration has already expired, you can still renew it at a DMV office or by mail, but you cannot use online renewal. Visit an office in person with your registration card, title, and photo ID. There is no penalty fee for renewing late, but you cannot legally drive until the renewal is processed.

How long is my temporary registration valid?

A temporary registration printed after online renewal is valid for 45 days. Your permanent registration card will arrive by mail within 10 to 14 business days. If your permanent card does not arrive within three weeks, contact the Connecticut DMV at 860-594-1000.

Can I renew my registration if I just bought the vehicle?

No. New vehicle purchases require a new registration, not a renewal. You must register the vehicle at a DMV office with your bill of sale, proof of insurance, and a photo ID. Renewal is only for vehicles that already have an active Connecticut registration.

What if I moved and my renewal notice went to my old address?

Contact the Connecticut DMV at 860-594-1000 to update your address on file. Once your address is corrected, you can renew online, by mail (request a new notice), or in person at a DMV office. If you need to renew when ready, visit an office in person with your current registration card, title, and photo ID.