Renew Registration

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.

Renew Registration

3 Ways to Renew Your Vehicle Registration

Renewal postcards are mailed out right before the month of expiration. In Colorado, you can renew up to the last day of the month after expiration (known as the one-month grace period) without accruing late fees. However, we recommend that you do not travel out of state on expired tags as other states may not honor the grace month.

Two locations in Boulder County – in Boulder and Longmont

Boulder County residents can renew at any kiosk throughout the state

No waiting – your registration and license plate tabs are printed immediately!

Learn More

Available 24/7

Sticker arrives by mail in 1-2 weeks.

Tag expires in less than 2 weeks? Don’t worry! You will receive a temporary permit to print and place on your front dash in the meantime.

Renew Online

Don’t want to renew online, at a self-service kiosk, or at one of our offices?

No problem! It is easy to renew by mail.

Learn How

Warning: Unofficial Motor Vehicle Websites

Pay close attention when searching online for motor vehicle information. Many unofficial websites provide inaccurate information and/or charge unnecessary fees.

Please check the URL of the site to determine if it is an official DMV website belonging to Boulder County or the State of Colorado. These URLs will contain either or

Renewal Checklist

To renew your vehicle registration, you will need the following:

Renewal Notice (postcard), copy of the last registration, or VIN number + License Plate Number

Proof of Colorado Auto Insurance (if noted on postcard)

Proof of Emissions Test (if noted on postcard)

More Information

Emissions Requirements

You must obtain an emissions test if noted on your renewal postcard. Please visit our Emissions Testing page to learn more about testing locations and cost, exemptions, requirements, and waivers/extensions.

Renewal Deadlines

Renew a vehicle registration during one 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 of $25 per month, not to exceed $100.
  • Fees begin to accumulate after your one-month grace period.
  • Temporary permits are not subject to a one-month grace period (C.R.S. 42-3-112, 42-3-114).

Renewal postcards will not be forwarded – update your address online to ensure that you will receive future renewal notices. Be sure to update both your legal and mailing addresses. You will need your:

  • License plate number
  • Last eight characters of Vehicle Identification Number (VIN) or Verification Code

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