Level 2 Fire Restrictions in effect for western areas of Boulder County. No fireworks, fires, open flame, or shooting (see map and flyer).

Many County services are being offered online. Additionally, a variety of resources are available for those impacted by COVID-19.

Vehicle Registrations

Vehicle Registration

Registration Checklists

If you are new to Colorado or recently purchased a car or truck that you need to register, you can download these PDF checklists to get you started.

New CO Resident

Vehicle Purchased from Private Party

Vehicle Purchased from CO Dealership

Vehicle Purchased from Out-of-State Dealership

Congrats on your new ride!

Registration requirements vary depending on how you purchased your vehicle.

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New to Colorado? Welcome! You must register your vehicle within 90 days of establishing residency.

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Motorcycles, Motor Homes, and Trailers may have special registration requirements.

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When you receive a vehicle as a gift or through inheritance, there are special registration requirements and procedures.

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Thank you for your service!

Learn how to register and renew your vehicle when serving in your home state or out-of-state.

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SMM must be registered at one of our MV branch locations if it will be operational in Boulder County for more than 11 months.

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Joint Ownership

If you plan to co-own your vehicle, be sure to apply for Joint Tenancy with Rights of Survivorship. This will prevent your vehicle from going to probate court if one of the owners dies.

More Resources

Need to know how much it will cost to register your vehicle? You can estimate your fees by using this online calculator. Be sure to enter the original MSRP (usually different from the purchase price). Please note that we cannot estimate registration fees over the phone or by email.

Fee Calculator

Appointments for vehicle registration are available Monday-Friday at all three offices – Boulder, Lafayette, or Longmont – from:

8:30 a.m. – 11 a.m.
2 p.m. – 3:15 p.m.

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Temporary permits are good for 60 days from the date of purchase. This allows time for title paperwork to be completed and for the vehicle to have an emissions test, if required.

When you purchase a vehicle from a dealership, they will issue a temporary permit. If you purchase from a private party, you may visit one of our offices to request a temporary permit.

A lost or destroyed Colorado registration can be replaced for a $4.00 fee online, in-person, or by mail.

To apply online or in-person, you will need:

To apply by mail, you will need:

If the license plate number is not known, you will also need:

  • Model year of vehicle
  • Make of vehicle
  • Vehicle identification number

Request replacement tabs for your vehicle online. You will need:

  • License plate number
  • VIN number or Verification Code (from registration card)
  • Valid credit card or check

Learn more about how your vehicle registration fees and taxes are calculated on our Fees and Taxes page.

Vehicle identification number (VIN) inspections are required for the following:

  • New residents
  • Newly purchased vehicles with out-of-state titles
  • Title corrections

Our offices offer VIN inspections for a $20 fee. Find other certified VIN inspectors, locations, and hours.

If you are registering a heavy vehicle with an out-of-state title, you may need a certified weight slip. A weight slip is required for the following:

  • Motor homes, buses, cargo vans, and trucks if the empty weight is over 4,500 pounds and not listed on title
  • Trailers weighing more than 2,000 pounds
  • Contact us if your vehicle has been modified and the new weight is not listed on the title

Many private companies (such as Pioneer Sand – locations in Boulder, Longmont, & Broomfield) can weigh your vehicle and provide a certified weight slip. If you are registering a motor home, bus, or trailer, you may also contact us first to see if we can look up your vehicle’s weight for you.

Farm trucks require a special registration application. Requirements:

  • Owner lives on land that is classified as agricultural for property tax purposes
  • Truck is primarily used for agricultural purposes

Farm trucks are exempt from emissions requirements.

Vehicles assembled from a kit have special titling and registration requirements. Please contact our office for instructions.

Contact Us

Motor Vehicle Division

Hours: 8 a.m. – 4:30 p.m. M-F
motorvehicle@bouldercounty.org

Phone: 303-413-7710

Fax: 303-413-7725 (Boulder office)
Fax: 303-413-7002 (Lafayette office)
Fax: 303-678-6126 (Longmont office)

Location

Boulder: 1750 33rd Street
Map & Directions

Longmont: 529 Coffman Street
Map & Directions

Lafayette: 1376 Miners Drive
Map & Directions

Mailing Address

1750 33rd Street, Suite 100
Boulder, CO 80301