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