San Juan County
•
Washington (WA)
1 ZIP Code
Streamlined Sales Tax (SST) Member
San Juan County, WA Sales Tax Rates 2026
2026 sales tax rate guide for San Juan County, WA. Average combined tax rate is 8.35% with local jurisdictions ranging up to 8.35%.
Average Combined Rate
8.35%
⚡ Direct Tax Answer & Key Takeaway
As of 2026, the local county sales tax rate in San Juan County (Washington) is 1.85%. Combined sales tax rates across cities in this county range from 8.35% to 8.35% (averaging 8.35%).
County Tax
1.85%
Average Combined Rate
8.35%
Max Local Rate
8.35%
Indexed Cities
1
Cities & Towns in San Juan County
| City | Combined Sales Tax Rate | Action |
|---|---|---|
| Friday Harbor | 8.35% | View Tax Rates → |
📋 State Tax Rules & Compliance Guide
Sourcing Rule:
Destination-based
Groceries & Food:
Exempt (0%)
Clothing & Apparel:
Taxable
SaaS & Digital Goods:
Fully Taxable (Digital automated services / prewritten software)
Economic Nexus Threshold:
$100,000 combined gross receipts
Official Tax Authority:
Washington State Department of Revenue ↗
Interactive Sales Tax Calculator
Calculate exact sales tax and total purchase price instantly.
Address-Specific Rates
SST Member
Standard State
Rates current for 2026
$
$
Estimated Tax Range:
Combined Sales Tax Rate:
State Tax:
Combined Sales Tax Rate:
State Tax ()
County Tax ()
City Tax ()
Special / District Tax ()
Estimated Tax Range ():
Estimated Total Range:
Total Purchase Price
ZIP Codes in San Juan County
❓ Frequently Asked Questions
Key questions and answers regarding sales tax rates, exemptions, and compliance.