COSTCO WHOLESALE

4401 4TH AVE S, SEATTLE, WA 98134

Last inspected Feb 4, 2026

Excellent. Top marks — the latest inspection found no serious issues, or few enough to earn the health department's best band.

Excellent

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Inspection history

Feb 4, 2026
A
Nov 7, 2025
A
May 12, 2025
A
Apr 5, 2024
A
1 violation
- 3400 - Wiping cloths properly used, stored; sanitizer concentration
Aug 7, 2023
A
Mar 3, 2023
A
1 violation
- 4400 - Plumbing properly sized, installed, and maintained; proper backflow devices, indirect drains, no cross-connections
Oct 26, 2022
A
Apr 6, 2022
A

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<a href="https://www.cleanplateus.com/seattle/costco-wholesale--PFE-PR-3137207"><img src="https://www.cleanplateus.com/api/badge/seattle/PFE-PR-3137207" width="230" height="58" alt="CleanPlate health grade"></a>

Source: Public Health — Seattle & King County. Data shown unmodified from the official record. See something wrong? Report a data issue.