Commissioners: “We will continue to value, respect, and support all individuals as we serve the people of Boulder County.” Read full message.

Immigrant Resources, including a Know Your Rights Booklet, available on the Immigration Resources webpage.

Appointments now required for in-person visits. Additionally, registration renewals need to be completed out of office. Options include online, by mail or drop box, or at a self-service kiosk. Read about these changes (including benefits, and FAQs). Información en español.

Trailers

Camper trailer being towed by pickup truck

Colorado law requires that all trailers be titled, registered and plated. To complete this process for the first time bring the following:

  • Secure and Verifiable ID
  • Colorado title (NOTE: see below if the trailer has documents from a state other than Colorado)*
  • Paperwork if purchased from a Colorado dealer

*Trailers with documents from another state

Contact the office for information on titling and registering a trailer from out of state or a trailer purchased from an out-of-state dealer:

Homemade & Kit Trailers

Applying for a trailer identification number for a homemade or kit trailer will require a Certified VIN Inspection by the State Highway Patrol in addition to providing the following documents and information as described below:

Trailer hauler

  • Length
  • Width
  • Weight
  • Value
  • Type of trailer
  • Receipts (for the kit or if parts or supplies were purchased to build the trailer)
  • The owner or builder must sign an affidavit listing the trailer’s dimensions and stating how the trailer was put together

After this process is completed an identification number on a metal plate will be assigned for the trailer and must be attached to the front, right corner of the frame or nearest metal part.

Contact Us

Motor Vehicle Division

7:30 a.m. to 5 p.m.
Monday-Thursday
Closed Fridays
Online Motor Vehicle Contact Us Form
Contáctenos - Formulario en línea

Phone: 303-413-7710
Fax: 303-413-7706

Locations

Boulder (Main Office):
1750 33rd St.
Boulder, CO 80301
Directions

Lafayette
1755 S. Public Road
Lafayette, CO 80026
Directions

Longmont*
529 Coffman St.
Longmont, CO 80501
Directions

* The Longmont office is temporarily located inside the main Boulder County building at 515 Coffman. Same building, just enter main doors.

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