Wahkiakum County
•
Washington (WA)
3 ZIP Code
Streamlined Sales Tax (SST) Member
Wahkiakum County, WA Sales Tax Rates 2026
2026 sales tax rate guide for Wahkiakum County, WA. Average combined tax rate is 7.80% with local jurisdictions ranging up to 7.80%.
Average Combined Rate
7.80%
⚡ Direct Tax Answer & Key Takeaway
As of 2026, the local county sales tax rate in Wahkiakum County (Washington) is 1.30%. Combined sales tax rates across cities in this county range from 7.80% to 7.80% (averaging 7.80%).
County Tax
1.30%
Average Combined Rate
7.80%
Max Local Rate
7.80%
Indexed Cities
3
Cities & Towns in Wahkiakum County
| City | Combined Sales Tax Rate | Action |
|---|---|---|
| Cathlamet | 7.80% | View Tax Rates → |
| Rosburg | 7.80% | View Tax Rates → |
| Grays River | 7.80% | 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:
$100,000 combined gross receipts
Official Tax Authority:
Washington State Department of Revenue ↗
Interactive Sales Tax Calculator
Calculate exact sales tax and total purchase price instantly.
Address-Specific Rates
SST Member
Standard State
Rates current for 2026
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$
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State Tax:
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County Tax ()
City Tax ()
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ZIP Codes in Wahkiakum County
❓ Frequently Asked Questions
Key questions and answers regarding sales tax rates, exemptions, and compliance.