Starting Jan. 1, the minimum wage in unincorporated Boulder County is $15.69/hour.

A partir del 1 de enero, el salario mínimo local en la zona no incorporada del condado de Boulder será de $15,69/hora.

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.

Renew by Mail

To renew your vehicle registration by mail, please send the following to Motor Vehicle Division, 1750 33rd Street, Suite 100, Boulder, CO 80301:

  • Postcard renewal notice
  • Proof of insurance if it is noted on your postcard renewal notice. ALL motor vehicle types MUST have insurance to be driven on Colorado highways.
  • Your new physical and mailing addresses if they have changed.
  • Proof of emissions if it is noted on your postcard renewal notice. To apply for an Emissions Waiver or Out-of-State Emissions Extension, visit
  • Payment by check for the amount shown on your renewal postcard. Checks should be made payable to the Boulder County Clerk.
  • Renewals must be received by the last day of the grace period (one month after the expiration month).

Contact Us

Motor Vehicle Division

**New as of Jan 4, 2021**
7:30 a.m. – 5:00 p.m. Mon-Thurs.
CLOSED Fridays
Online Contact Form
Contáctenos - Formulario en línea

Phone: 303-413-7710

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


Boulder: 1750 33rd Street
Map & Directions

Longmont: 529 Coffman Street
Map & Directions

Lafayette: 1755 S. Public Road
Map & Directions

Mailing Address

1750 33rd Street, Suite 100
Boulder, CO 80301