What is the sales tax rate in Whatcom County, WA?

The average sales tax rate in Whatcom County (WA) is 9.02%, with jurisdictions ranging between 8.90% and 9.30%.

Whatcom County • Washington (WA)

17 ZIP Code

Streamlined Sales Tax (SST) Member

Whatcom County, WA Sales Tax Rates 2026

2026 sales tax rate guide for Whatcom County, WA. Average combined tax rate is 9.02% with local jurisdictions ranging up to 9.30%.

Average Combined Rate

9.02%

Estimated Tax Range: 8.90% - 9.30%

⚡ Direct Tax Answer & Key Takeaway

As of 2026, the local county sales tax rate in Whatcom County (Washington) is 1.80%. Combined sales tax rates across cities in this county range from 8.90% to 9.30% (averaging 9.02%).

County Tax

1.80%

Average Combined Rate

9.02%

Max Local Rate

9.30%

Indexed Cities

Cities & Towns in Whatcom County

City	Combined Sales Tax Rate	Action
Bellingham	9.20%	View Tax Rates →
Lynden	9.30%	View Tax Rates →
Ferndale	8.90%	View Tax Rates →
Blaine	8.90%	View Tax Rates →
Everson	8.90%	View Tax Rates →
Nooksack	8.90%	View Tax Rates →
Sumas	8.90%	View Tax Rates →
Point Roberts	8.90%	View Tax Rates →
Deming	8.90%	View Tax Rates →
Custer	8.90%	View Tax Rates →
Acme	8.90%	View Tax Rates →
Maple Falls	8.90%	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 ↗

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Address-Specific Rates Rates current for 2026

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ZIP Codes in Whatcom County

98220 8.90% 98225 9.20% 98226 9.20% 98227 9.20% 98228 9.20% 98229 9.20% 98230 8.90% 98231 9.10% 98240 8.90% 98244 8.90% 98247 8.90% 98248 8.90% 98264 9.30% 98266 8.90% 98276 8.90% 98281 8.90% 98295 8.90%

❓ Frequently Asked Questions

Key questions and answers regarding sales tax rates, exemptions, and compliance.

The county tax rate for Whatcom County is 1.80%. When combined with Washington state taxes and local municipal/district taxes, the overall sales tax rate varies between 8.90% and 9.30%.

In Washington, grocery items are currently Exempt (0%). SaaS and digital automated goods are Fully Taxable (Digital automated services / prewritten software).