Colorado Sales Tax Rates: Douglas County
Douglas County, Colorado Sales Tax Rate 2025 Up to 8.75%
A county-wide sales tax rate of 1% is applicable to localities in Douglas County, in addition to the 2.9% Colorado sales tax.
Some cities and local governments in Douglas County collect additional local sales taxes, which can be as high as 4.85%.Here's how Douglas County's maximum sales tax rate of 8.75% compares to other counties around the United States:
- Higher maximum sales tax than 52% of Colorado counties
- Higher maximum sales tax than 77% of counties nationwide
Tax Rates By City in Douglas County, Colorado
The total sales tax rate in any given location can be broken down into state, county, city, and special district rates. Colorado has a 2.9% sales tax and Douglas County collects an additional 1%, so the minimum sales tax rate in Douglas County is 3.9% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Douglas County, including all local taxes.
| City | Sales Tax Rate | Tax Jurisdiction |
|---|---|---|
| Littleton | 5% | Highlands Ranch |
| Castle Rock | 8.1% | Castle Rock |
| Parker | 8% | Parker |
| Parker | 8.75% | Aurora |
| Lone Tree | 7.5% | Lone Tree |
| Larkspur | 7.9% | Larkspur |
| Franktown | 8.1% | Castle Rock |
| Sedalia | 7.75% | Castle Pines North |
| Louviers | 4% | Douglas |
Colorado Sales Tax Rates by Zip Code:
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Douglas County, Colorado has a maximum sales tax rate of 8.75% and an approximate population of 220,698.
Sales tax rates in Douglas County are determined by eight different tax jurisdictions, Aurora, Castle Pines North, Castle Rock, Douglas, Highlands Ranch, Larkspur, Lone Tree and Parker.
Back to Colorado Sales Tax Handbook Sales tax rates for Douglas County are current as of May 2025
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