Douglas County
•
Colorado (CO)
15 ZIP Code
Douglas County, CO Sales Tax Rates 2026
2026 sales tax rate guide for Douglas County, CO. Average combined tax rate is 6.00% with local jurisdictions ranging up to 9.00%.
Average Combined Rate
6.00%
Estimated Tax Range: 5.00% - 9.00%
⚡ Direct Tax Answer & Key Takeaway
As of 2026, the local county sales tax rate in Douglas County (Colorado) is 1.00%. Combined sales tax rates across cities in this county range from 5.00% to 9.00% (averaging 6.00%).
County Tax
1.00%
Average Combined Rate
6.00%
Max Local Rate
9.00%
Indexed Cities
10
Cities & Towns in Douglas County
| City | Combined Sales Tax Rate | Action |
|---|---|---|
| Highlands Ranch | 5.00% | View Tax Rates → |
| Castle Rock | 9.00% | View Tax Rates → |
| Parker | 8.00% | View Tax Rates → |
| Castle Pines Village | 5.00% | View Tax Rates → |
| Acres Green | 5.00% | View Tax Rates → |
| Grand View Estates | 5.00% | View Tax Rates → |
| Franktown | 5.00% | View Tax Rates → |
| Louviers | 5.00% | View Tax Rates → |
| Larkspur | 9.00% | View Tax Rates → |
| Sedalia | 5.00% | View Tax Rates → |
📋 State Tax Rules & Compliance Guide
Sourcing Rule:
Destination-based
Groceries & Food:
Exempt (0% Tax)
Clothing & Apparel:
Taxable at standard rate
SaaS & Digital Goods:
Non-Taxable
Economic Nexus Threshold:
$100,000 in sales or 200 separate transactions
Official Tax Authority:
Colorado Department of Revenue ↗
Interactive Sales Tax Calculator
Calculate exact sales tax and total purchase price instantly.
Address-Specific Rates
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Rates current for 2026
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ZIP Codes in Douglas County
❓ Frequently Asked Questions
Key questions and answers regarding sales tax rates, exemptions, and compliance.