Connecticut Vehicle Registration Fees — 2026

Connecticut uses a flat formula. $120.00 base fee. Use the calculator below for your specific vehicle.

Your Connecticut registration fee

By Vincent Roy · Last updated: May 23, 2026

Connecticut runs on a flat (biennial) registration fee formula, updated for 2026. The DMV charge does not scale with your car's value, weight, or age — every passenger vehicle pays the same $120 base plus a short list of fixed add-ons, and the calculator above breaks out each piece. The thing that sets Connecticut apart is that the DMV charge is the same statewide; the real money is the separate town property tax most drivers forget about. For broader comparisons, see cheapest states to register a car.

Who needs to register a vehicle in Connecticut

You must register a vehicle in Connecticut if any of these apply: you're a new resident (the Connecticut grace period is 60 days from establishing residency); you bought a vehicle from a Connecticut dealer or private seller; you're returning to Connecticut after a military or out-of-state assignment ended; or you inherited or were gifted a vehicle now garaged in-state. Active-duty military stationed in Connecticut but domiciled elsewhere may keep their home-state registration under the SCRA. See moving and car registration for re-registration timing.

Required documents

Connecticut typically requires: the vehicle title (or Manufacturer's Certificate of Origin for a brand-new vehicle); proof of Connecticut liability insurance meeting the state minimum of 25/50/25; a valid driver's license or state ID; a current emissions or inspection certificate (biennial emissions test required statewide for most vehicles); a VIN inspection for any vehicle previously titled out of state; an odometer disclosure (federally required under 10 years); and a bill of sale or signed title transfer. If a lender holds a lien, see registering a car with a lien. A vehicle bill of sale is recommended for private purchases.

How to register a vehicle in Connecticut: step-by-step

Gather the documents above and confirm the title signature is notarized if Connecticut requires it.
Visit your nearest DMV branch office, or check the Connecticut Department of Motor Vehicles portal at portal.ct.gov/DMV for online and appointment options.
If the vehicle was purchased out of state, expect a VIN verification on site.
Pay the fees — see the Connecticut breakdown table below.
Receive your registration card and plate(s). Most Connecticut renewals afterward can be completed online or by mail.

Connecticut fee breakdown

Fee component	Amount	Note
Base registration fee	$120.00	—
Title fee (one-time)	$25.00	—
Plate fee	$5.00	—
Clean Air Act fee	$10.00	—
Greenhouse Gas Reduction fee	$15.00	—
Passport to Parks	$5.00	—

Renewal & late penalty

Renewal cycle: 2, 3-years.

Late penalty: $10 minimum.

Connecticut starts the late-penalty clock on the expiration date printed on your registration card, not on any renewal-notice date. If your base fee is $120.00 and you miss the deadline, the penalty above is added on top of normal fees. See late registration penalties.

Common scenarios

Used car from a dealer: The dealer normally handles title application, collects sales tax, and submits paperwork to the Department of Motor Vehicles. You provide insurance and ID at delivery.

Used car from a private seller: Connecticut charges 6.35% sales/use tax on private vehicle sales (7.75% for vehicles over $50,000). The buyer transfers the title within the Connecticut grace period. See sales tax on a used car from a private sale.

Leased vehicle: Title is held by the leasing company; registration fees and any EV surcharges still apply normally.

Gifted vehicle: Transfers between spouse, parent, child, sibling, or grandparent are exempt from sales tax with form CERT-106. See gifted car registration and title transfer between family members.

Inherited vehicle: Bring the prior owner's title, death certificate, and any probate paperwork to the DMV branch office; direct heirs are typically exempt from sales tax.

Bought out of state: Title it in Connecticut on return; you may receive credit for tax already paid elsewhere. See out-of-state vehicle registration.

EV, hybrid & alt-fuel surcharges

Connecticut does not charge a statewide EV registration surcharge as of 2026 — one of a shrinking number of states without one. See EV registration fees by state.

Local variations

Connecticut has no counties for tax purposes — every town and city assesses a separate motor vehicle property tax. The mill rate is capped at 32.46 mills statewide, but the bill arrives separately from the town tax collector and is not included in DMV totals.

This split trips up a lot of new residents. The $120 you pay the DMV is fixed no matter where you garage the car or what it's worth. The town bill is the part that moves. Your local assessor sets the car's value (the standard is roughly 70% of the average retail value from a recognized pricing guide), then multiplies that assessed value by the town's motor vehicle mill rate. Because the rate is capped at 32.46 mills, the most any town can charge is about $32.46 per $1,000 of assessed value — a $20,000 car assessed at $14,000 tops out near $454 a year. Towns with lower rates charge less. The bill usually lands in July, with a second installment in January in some towns, and it follows the car based on where it was garaged on the October 1 assessment date.

How the Connecticut bill compares year to year

Because the registration fee is flat and biennial, the DMV portion of your cost is easy to predict: roughly $155 every two years once you fold in the plate, Clean Air Act, Greenhouse Gas Reduction, and Passport to Parks line items shown in the table, plus the one-time $25 title fee the first time you register the car. Nothing on the DMV side gets cheaper as the car ages. The town property tax is the opposite — it falls every year as the assessed value depreciates, so an older car costs steadily less to keep on the road in Connecticut even though the registration fee never budges. Drivers comparing Connecticut to a value-based state like California or a weight-based state like New York should keep that two-part structure in mind: the sticker on the DMV receipt understates the real annual cost, and the town tax is where most of the money goes in the early years of ownership.

Federal tax deductibility

Connecticut's DMV registration fee is flat, not tied to your vehicle's value, so the $120 base and its add-ons are not deductible as a personal property tax on Schedule A. The deductible piece is the separate municipal motor vehicle property tax your town bills each year — that one is assessed on the car's value (mill rate times assessed value), which is what the IRS treats as a deductible personal property tax. Report that town tax, not the DMV registration, on IRS Schedule A line 5c (Personal Property Taxes), subject to the $10,000 SALT cap and only if you itemize. See our guide on the car registration fee tax deduction.

What the deduction looks like in practice

Say you own a car assessed at $12,000 in a town with a 30-mill motor vehicle rate. Your town property tax for the year is about $360. That $360 is the figure you can claim on Schedule A line 5c if you itemize, because it's charged on the car's value. The $120 DMV registration, the $25 title, the $5 plate, and the three environmental add-ons are flat charges unrelated to value, so none of them belong on that line. The practical takeaway: keep the tax-collector bill from your town, not the DMV receipt, when you're gathering deduction paperwork. Most Connecticut drivers who itemize miss this and either skip a legitimate deduction or wrongly try to claim the flat registration fee. Remember too that personal property taxes ride under the combined $10,000 SALT cap alongside your state income tax and any real-estate property tax, so high earners may already be capped out before the car tax counts at all.

Tips to save money in Connecticut

Renew on time — Connecticut's penalty: $10 minimum.
Connecticut offers multi-year registration in some cases — paying 2+ years up front saves a future trip.
Disabled veterans should ask about the Connecticut fee waiver — most states reduce or eliminate the base fee.
Time an out-of-state purchase carefully — Connecticut typically grants credit for sales tax already paid elsewhere.

Where to register in Connecticut

Connecticut registrations are processed at the DMV branch office. Most offices are open weekdays during business hours; some offer Saturday or appointment-only service. For renewals and address changes, use portal.ct.gov/DMV. For coverage rules, see do you need insurance to register a car.

Common questions about Connecticut registration

Is the $120 fee yearly or every two years? It covers a two-year (biennial) cycle for standard passenger registrations, which is why the per-year cost works out lower than the sticker number suggests. Some registration classes renew on a three-year cycle; the calculator and your renewal notice will show the cycle that applies to your plate.

Why is my friend in another town paying more than I am? The DMV fee is identical statewide, so any difference comes from the town motor vehicle property tax. Two people with the same car can owe very different amounts purely because their towns set different mill rates, up to the 32.46 cap.

Does Connecticut charge extra to register an electric car? No. As of 2026 there is no statewide EV or hybrid registration surcharge, so an electric vehicle pays the same flat $120 base and add-ons as a gas car. The town property tax still applies based on the EV's assessed value.

I just moved here — how long do I have? New residents get a 60-day grace period from the date they establish residency to register and title the vehicle in Connecticut. Waiting past that window risks the late penalty and complicates the town tax timing tied to the October 1 assessment date.

Notes

$120 biennial. Municipal motor vehicle property tax billed separately by town (mill rate cap 32.46). No statewide EV fee.