Sales Taxes

Sales taxes are due when a vehicle is purchased.

Purchase from a Dealer

Either a portion or all sales taxes are collected by a dealer. Any unpaid sales taxes are collected by the Boulder County Motor Vehicle Division.

Purchase from Private Party

All sales taxes are collected by the Boulder County Motor Vehicle Division when a vehicle is purchased from a private party.

Regional Transportation District (RTD)

  • 1.100% – total Regional Transportation District (RTD) tax rate
    • 1.00% – RTD sales/use tax
    • 0.10% – Scientific and Cultural Facilities District (CD) sales/use tax
Colorado Sales Taxes
State of Colorado2.900%
Regional Transportation District1.100%
Boulder County Sales Taxes
Open space0.600%
Jail improvements and operations0.050%
Non-profit human service agencies0.050%
County road and transit improvements0.100%
County flood recovery0.185%
Total Boulder County tax rate0.985%
City Sales/Use Taxes
Boulder3.860%
Erie3.500%
Lafayette3.500%
Longmont3.275%
Louisville3.500%
Lyons3.500%
Nederland3.000%
Superior3.300%
Other Taxes
Nederland resident/dealer to Nederland resident 3.750%
Niwot resident-to-resident district tax1.000%
Superior resident/dealer to Superior resident 3.460%
Ward resident-to-resident sales tax2.000%

Contact Us

Motor Vehicle Division

303-413-7710
303-413-7725 (Fax)
Email
Hours: 8 a.m. – 4:30 p.m. M-F

Location

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