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Sales Tax Rates
Tax Rate Changes / Modifications
  • Effective January 1, 2007, the Adams County Sales Tax rate increased from 0.7 percent to 0.75 percent.
  • On November 2, 2004, voters approved a ballot issue to increase the existing Open Space Sales Tax from 0.2 percent to 0.25 percent and extend the tax until December 31, 2026. This increase and extension became effective January 1, 2007.
  • On November 7, 2006, voters approved an extension of the 0.5 percent Sales Tax from January 1, 2009, until December 31, 2028. The extended 0.5 percent Sales Tax will be split 0.30 percent for approved capital projects and 0.20 percent for transportation projects starting January 1, 2009.

Current Adams County
Sales Tax Rates
 
Community
Percent 
State
City
County
RTD
Cultural
Facilities
Total
Sales Tax
Arvada
2.90
3.46
 0.75  1.00  0.10  8.21
Aurora
 2.90  3.75  0.75  1.00  0.10  8.50
Bennett
 2.90  3.00  0.75 1.00
 0.10  7.75
Brighton
 2.90  3.75  0.75  1.00  0.10  8.50
Commerce City
 2.90  4.50  0.75  1.00  0.10  9.25
Federal Heights
 2.90  4.00  0.75  1.00  0.10 8.75
Lochbuie
 2.90  4.00  0.75  1.00  0.10  8.75
Northglenn
 2.90  4.00 / 3.50*
 0.75  1.00  0.10  8.75
Thornton
 2.90 3.75
 0.75  1.00  0.10  8.50
Unincorporated Adams County: East of Box Elder Creek**
 2.90  n/a
 0.75  n/a  0.10  3.75
Unincorporated Adams County: West of Box Elder Creek**
 2.90  n/a  0.75  1.00  0.10  4.75
Westminster
 2.90  3.85  0.75  1.00  0.10  8.60

*Note:
Northglenn Sales Tax will be 4.00 percent, excluding food for home consumption, which will remain at 3.50 percent.

**Note: Box Elder Creek runs along the east side of Denver International Airport. To find out in which jurisdiction your address is located, please call 720.523.6300 and we can confirm your tax rate.