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.

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

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 Colorado	2.900%
Regional Transportation District	1.100%

Boulder County Sales Taxes
Open space	0.600%
Jail improvements and operations	0.050%
Non-profit human service agencies	0.050%
County road and transit improvements	0.100%
County flood recovery	0.185%
Total Boulder County tax rate	0.985%

Other Taxes
Nederland resident/dealer to Nederland resident	3.750%
Niwot resident-to-resident district tax	1.000%
Superior resident/dealer to Superior resident	3.460%
Ward resident-to-resident sales tax	2.000%