Money and taxes - Front Range
Why a Denver-metro receipt in Arapahoe County has extra tax layers
Most of Arapahoe County sits inside regional districts like RTD and SCFD that add their own sales tax on top of state and city rates.
Published June 10, 2026 - Last verified June 10, 2026
When you buy something in Arapahoe County, the tax on the receipt is rarely just one rate. It is a stack of separate taxes that happen to be added together.
In the Denver metro area, that stack usually includes the state rate, the county, the city if you are inside one, and regional special districts. Two common ones are RTD, the Regional Transportation District that funds buses and rail, and SCFD, the Scientific and Cultural Facilities District that helps fund museums, zoos, and arts groups. Both collect a small sales tax across much of the metro, and the state collects it for them.
Why this is worth knowing: the total rate can change as you cross a city line or a district boundary, even within the same county. A purchase in one part of Arapahoe County may be taxed a little differently than one a few miles away, because the layers underneath are not the same.
This note does not list any rate, because rates change and are set by each government. The reliable way to see the exact rate for one address is the state’s rate tools, which break the total into its parts.
Look up the rate for a specific address using the Colorado Department of Revenue sales tax tools.