What You Need Before You Start
You bought a car in Colorado — or you just moved here with a car titled elsewhere — and now you need to register it. The state gives you specific windows: 60 days from purchase if you bought in-state, 90 days from establishing residency if you moved from another state. Miss those windows and you're driving unregistered, which means a ticket and a gap in coverage if you're in an accident.
Colorado's registration process hinges on four core documents: the vehicle title, a VIN inspection signed by an authorized party, proof of insurance meeting state minimum liability limits, and an emissions test result if your county requires one. The VIN inspection is the step most people miss — it's not automatic, and you can't complete registration without it. This article walks you through exactly what each document must show, where to get it, and what happens if you show up without one.
Compare car insurance rates in your state
Get quotes from licensed carriers — no obligation, no spam, results in minutes.
Get Your Free QuoteColorado Minimum Liability Limits
$25,000/$50,000/$15,000
Your proof of insurance must meet or exceed these minimums: $25,000 bodily injury per person, $50,000 bodily injury per accident, $15,000 property damage. The DMV will not register your vehicle without a current insurance card or electronic verification showing these limits.
Colorado Division of Motor Vehicles
The Title Requirement
Colorado requires the vehicle title as proof of ownership. If you bought from a dealer, the dealer typically handles the title transfer and submits registration paperwork on your behalf — you'll receive a temporary registration and the permanent one arrives by mail. If you bought from a private seller in Colorado, you need the signed title with the seller's signature, the date of sale, the odometer reading, and the purchase price filled in on the back. Both you and the seller must sign; an incomplete title signature block stops the registration cold.
If you moved to Colorado with a car titled in another state, bring that out-of-state title. Colorado will accept it as proof of ownership and issue a new Colorado title as part of the registration process. If your out-of-state title lists a lienholder, you'll need a lien release letter from that lender before Colorado will issue a clear title. If you're still paying off the car, the lender holds the title — contact them for a letter authorizing Colorado registration, and the new Colorado title will list the lien.
If you lost the title, you cannot register the vehicle until you obtain a duplicate. If the car was titled in Colorado, request a duplicate title from the Colorado DMV. If it was titled out-of-state, request a duplicate from that state's DMV before you move forward. Registration cannot proceed without a title document in hand.
The VIN inspection is required for every first-time Colorado registration. No inspection form means no registration, even if every other document is correct.
VIN Inspection and Where to Get It
The VIN inspection verifies that the vehicle identification number on the car matches the number on the title. An authorized party must physically inspect the VIN plate on the dashboard and the VIN sticker on the driver's door jamb, then sign the inspection form. Authorized parties include Colorado law enforcement officers, licensed Colorado vehicle dealers, Colorado emissions testing stations, and some county motor vehicle offices. Many county DMV offices offer walk-in VIN inspections for a small fee or no fee; call ahead to confirm availability.
The inspection form is a single-page document you can download from the Colorado DMV website or pick up at a county motor vehicle office. Bring the form, the vehicle, and the title to the inspection location. The inspector will verify the VIN, sign the form, and return it to you. You must submit this signed form with your registration application. If the VIN does not match the title, the inspector will not sign, and you'll need to resolve the discrepancy with the title issuer before registration can proceed.
Related Articles
Proof of Insurance Meeting State Minimums
Colorado law requires proof of liability insurance before the DMV will register your vehicle. Your insurance card or electronic verification must show coverage meeting or exceeding $25,000 bodily injury per person, $50,000 bodily injury per accident, and $15,000 property damage. These are the state minimum liability limits. If your policy shows lower limits, the DMV will reject your registration application.
Most carriers issue an insurance card immediately when you bind a policy. If you're registering online or by mail, you can upload a photo of the card or enter your policy number for electronic verification. If you're registering in person at a county motor vehicle office, bring the physical card or have the electronic version ready on your phone. The card must show the vehicle identification number, the policy effective date, and the coverage limits. A card showing only the policy number without limits will not satisfy the requirement.
If you're adding this car to an existing multi-vehicle policy, contact your carrier before you go to the DMV. The carrier must add the new vehicle to the policy and issue an updated insurance card showing the new VIN. Registering a car that is not yet listed on your policy creates a coverage gap — if you're in an accident before the carrier adds the vehicle, the claim may be denied. Most carriers add a vehicle immediately over the phone or online, and the updated card is available within minutes.
Colorado Registration Window After Purchase
60 days
If you bought the car from a private seller or a dealer in Colorado, you have 60 days from the date of sale to complete registration. After 60 days, you're driving unregistered, which is a traffic violation and exposes you to liability if you're in an accident.
Colorado Division of Motor Vehicles
Emissions Testing in Applicable Counties
If you're registering the vehicle in one of Colorado's emissions-testing counties — which include the Denver metro area and parts of the Front Range — you must submit a passing emissions test result with your registration application. The test must be current: completed within the past 90 days for a first-time registration, or within the registration renewal window for renewals. Vehicles model year 1982 and newer require emissions testing; older vehicles are exempt.
Take the car to a Colorado Air Care emissions testing station. If the car passes, the station will give you a certificate showing the test result and the vehicle identification number. Submit this certificate with your registration paperwork. If the car fails, you'll need to make the required repairs and retest before you can register. Colorado offers a waiver if you spend a certain amount on repairs and the car still fails, but the waiver process adds time — plan for it if your car is older or has check-engine lights.
If you're registering in a county that does not require emissions testing, skip this step. The DMV website lists which counties require testing. If you're unsure, call your county motor vehicle office before you go.
Additional Documents for Specific Situations
If the vehicle has a lien, bring a lien release letter from the lender if the loan is paid off, or a letter authorizing Colorado registration if you're still paying. If you're registering a vehicle you inherited, bring the death certificate, the will or probate court order naming you as the vehicle's recipient, and the title signed by the estate executor.
If you're registering a vehicle with a salvage title, Colorado requires a salvage inspection in addition to the VIN inspection. The salvage inspection verifies that the rebuilt vehicle meets safety standards. Contact the Colorado State Patrol for salvage inspection appointments. If you're registering a vehicle with an out-of-state title that shows a lien, and the lien is satisfied, you'll need the lien release from the out-of-state lender before Colorado will issue a clear title.
Where to Submit and What Happens Next
You can register in person at any Colorado county motor vehicle office, by mail to your county office, or online through the Colorado DMV website if you meet the online eligibility requirements. In-person registration is fastest: bring all documents, pay the registration fee and any applicable sales tax, and you'll receive a temporary registration on the spot. The permanent registration and license plates arrive by mail within 20 business days.
If you register by mail, send copies of all documents — title, VIN inspection, proof of insurance, emissions certificate if applicable — along with a check for the registration fee and sales tax. Processing takes longer by mail, typically two to four weeks. If you register online, you'll upload digital copies of the required documents and pay by credit card. Online processing is faster than mail but slower than in-person, usually five to ten business days.
If you're missing any required document, the county office will reject your application and return your paperwork. You'll need to obtain the missing document and resubmit. This is why calling ahead or checking the DMV website's document checklist before you go saves time. If you're registering multiple vehicles, bring a complete document set for each vehicle — the DMV processes each registration separately, and a missing document on one car does not hold up the others.