Argentum is now open in Seattle
A new limited-service restaurant in Seattle, now on the King County public record by name — because the window to reach it first has already closed.
Argentum is on the King County books as open since , a limited-service restaurant in Seattle. Brand-new spots often run soft-open hours and a short menu at first, so call ahead before you cross town.
What a new limited-service restaurant means for vendors
Every Seattle opening is a short buying window. For a limited-service restaurant, the card processor has to be live for the soft open, so payments and POS are the first vendor decision.
Reach an owner in that window and you are the first quote on the table, not the fifth call after they have already signed. That pre-open moment is exactly what MorningSheet is built to catch, across payments, insurance, banking, and payroll.
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"Open" here is the record's word: a business license or health permit went active, which usually lands within days of the first real service. Built from King County public records, as of July 11, 2026.