Costilla County
•
Colorado (CO)
4 ZIP Code
Costilla County, CO Sales Tax Rates 2026
2026 sales tax rate guide for Costilla County, CO. Average combined tax rate is 4.65% with local jurisdictions ranging up to 6.90%.
Average Combined Rate
4.65%
Estimated Tax Range: 2.90% - 6.90%
⚡ Direct Tax Answer & Key Takeaway
As of 2026, the local county sales tax rate in Costilla County (Colorado) is 0.00%. Combined sales tax rates across cities in this county range from 2.90% to 6.90% (averaging 4.65%).
County Tax
0.00%
Average Combined Rate
4.65%
Max Local Rate
6.90%
Indexed Cities
4
Cities & Towns in Costilla County
| City | Combined Sales Tax Rate | Action |
|---|---|---|
| San Luis | 6.90% | View Tax Rates → |
| Fort Garland | 2.90% | View Tax Rates → |
| Blanca | 5.90% | View Tax Rates → |
| San Acacio | 2.90% | 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
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Address-Specific Rates
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ZIP Codes in Costilla County
❓ Frequently Asked Questions
Key questions and answers regarding sales tax rates, exemptions, and compliance.