Stage 1 fire restrictions for western Boulder county effective 11/30/21. See flyer, map, and news release for details.

Motor Vehicle, Elections, & Recording are open Monday -Thursday 7:30 a.m. – 5 p.m. and closed to the public on Friday. See press release for more details. Las divisiones de Vehículos de Motor, Elecciones y Registro están abiertas de Lunes a Jueves de 7:30am a 5:00pm, y cerradas al público los Viernes. Vea el Comunicado de Prensa para más detalles.

CLOSURE ALERT: The Motor Vehicle – Boulder branch – will be closed to the public on Weds, Dec 15 and Thurs, Dec 16 for an officewide carpet replacement (regular hours Mon-Thurs 7:30 a.m. – 5 p.m. and closed on Fridays). Many services can be completed online. Additionally, the self-service renewal kiosk will be accessible during closure 7:30 a.m. – 5 p.m. and the Lafayette and Longmont branches will be open (expect longer wait times). Visit us instead the week of Dec 22 or prior to closure.

Note holiday hours: Dec 23 and Dec 30: Open 7:30 a.m. – 12 p.m. (Note: office is closed on Fridays)

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: 1376 Miners Drive
Map & Directions

Mailing Address

1750 33rd Street, Suite 100
Boulder, CO 80301