WA tax rules›Whatcom County
Whatcom County, WA Sales Tax (2026)
Verified Jul 2, 2026
Combined sales tax 9.2% (6.50% WA state + 2.70% local) in Bellingham effective July 1, 2026; varies within county by city.
Official source: webgis.dor.wa.gov →
General legal information, not legal advice — verify important decisions with a licensed professional.