Boulder County offices and buildings are closed due to COVID-19 View our Online Services page for virtual transactions and services.

Renew Registration

Renew Registration

Boulder County Motor Vehicle Offices Are Closed Effective Tuesday, March 17

Most services are available online including: vehicle registration renewal / tag renewal (even when expired or in the grace month), duplicate registration or title requests, address changes, disability parking, and more.

If you are having difficulty renewing your vehicle online, please email us at or call 303-413-7710.

Due to the interruptions in service caused by the COVID-19 closures, we have requested that law enforcement use discretion when contacting motorists with recently expired plates or registration issues.

Renewal Options

  • Renew online
  • Renew by mail
  • Renew in-person at a Boulder County Motor Vehicle location – Boulder, Lafayette, or Longmont (addresses below)
  • Renew in-person at the Boulder office MV Express Renewal Kiosk – Self-service Kiosk opens at 7 a.m. (one hour before in-person counter-service available) and available until close – 4:30 p.m.

Note: If you just moved to Boulder County from another Colorado county, you will not be able to renew online this year.

Renewal Notice

A courtesy renewal notice (postcard) is mailed to the address on file prior to the registration expiring. The postcard will not forward to a new address.

Renewal Checklist

Provide the following to renew a registration:

Renewal Deadlines

Renew a vehicle registration during the following:

  • Month before the registration expires
  • Month the registration expires
  • Month after the registration expires, no later than the last business day, known as the one-month grace period

Late Fees

  • Colorado law requires residents to pay late fees.
  • Late fees are $25 per month.
  • Fees begin to accumulate after your one-month grace period.
  • Late fees may not exceed $100.

Temporary permits are not subject to a one-month grace period (C.R.S. 42-3-112, 42-3-114).

Contact Us

Motor Vehicle Division

303-413-7725 (Fax)
Hours: 8 a.m. – 4:30 p.m. M-F


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