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MERCER ISLAND HIGH SCHOOL

9100 SE 42ND ST, Mercer Island, WA 98040 · Restaurant (Non-Profit Institution)

Inspection summary

MERCER ISLAND HIGH SCHOOL has been inspected 34 times by Public Health – Seattle & King County since January 11, 2006. The most recent inspection, on March 23, 2026, found no infractions.

30 of 34 inspections on record found no infractions at all. In the past 12 months there was 1 inspection with 0 infractions recorded. The higher-risk findings here relate to: Cleaning and sanitizing and Food temperature control.

The last 3 inspections in a row found no infractions. The number of infractions per inspection has stayed roughly the same over time.

What these findings mean

Health authorities word their violations differently, so we group them by what they mean for food safety. Higher-risk findings are the ones inspectors treat as critical, because they can directly make someone sick.

  • Cleaning and sanitizingHigher risk

    Anything that touches food, such as cutting boards, dishes and utensils, must be washed, rinsed and sanitized. Inspectors check dishwasher temperatures, sanitizer strength and how wiping cloths are stored. Poor sanitizing lets bacteria survive from one use to the next.

    Recorded 2 times across 2 separate inspections, most recently on March 7, 2023. For example: 4100 - Warewashing facilities properly installed, maintained, used; sanitizer concentration; test strips available and used

  • Food temperature controlHigher risk

    Bacteria multiply fastest between about 4 °C and 60 °C (40 °F to 140 °F). Inspectors check that cold food stays cold, hot food stays hot, cooked food is cooled quickly, and that staff have accurate thermometers. Temperature problems are one of the most common causes of food poisoning, so these are treated as critical findings.

    Recorded 2 times across 2 separate inspections, most recently on April 30, 2019. For example: 2120 - Proper cold holding temperatures ( 42° F to 45° F)

About this data

These results come from Public Health – Seattle & King County, which inspects food premises and other public facilities in this area. We republish the authority's public disclosure data and refresh it regularly; the official record is the final word.

34 inspections

  1. Routine Inspection/Field Review

    0 infractions

  2. Routine Inspection/Field Review

    0 infractions

  3. Routine Inspection/Field Review

    0 infractions

  4. Routine Inspection/Field Review

    1 infraction

    • 4100 - Warewashing facilities properly installed, maintained, used; sanitizer concentration; test strips available and used
      • BLUE
  5. Routine Inspection/Field Review

    0 infractions

  6. Routine Inspection/Field Review

    0 infractions

  7. Routine Inspection/Field Review

    1 infraction

    • 2120 - Proper cold holding temperatures ( 42° F to 45° F)
      • RED
  8. Routine Inspection/Field Review

    1 infraction

    • 3400 - Wiping cloths properly used, stored, proper sanitizer
      • BLUE
  9. Routine Inspection/Field Review

    0 infractions

  10. Routine Inspection/Field Review

    0 infractions

  11. Consultation/Education - Field

    0 infractions

  12. Routine Inspection/Field Review

    0 infractions

  13. Consultation/Education - Field

    0 infractions

  14. Routine Inspection/Field Review

    0 infractions

  15. Consultation/Education - Field

    0 infractions

  16. Routine Inspection/Field Review

    0 infractions

  17. Consultation/Education - Field

    0 infractions

  18. Routine Inspection/Field Review

    0 infractions

  19. Consultation/Education - Field

    0 infractions

  20. Routine Inspection/Field Review

    0 infractions

  21. Consultation/Education - Field

    0 infractions

  22. Routine Inspection/Field Review

    0 infractions

  23. Consultation/Education - Field

    0 infractions

  24. Routine Inspection/Field Review

    1 infraction

    • 2900 - Adequate equipment for temperature control
      • BLUE
  25. Routine Inspection/Field Review

    0 infractions

  26. Routine Inspection/Field Review

    0 infractions

  27. Consultation/Education - Field

    0 infractions

  28. Routine Inspection/Field Review

    0 infractions

  29. Routine Inspection/Field Review

    0 infractions

  30. Routine Inspection/Field Review

    0 infractions

  31. Consultation/Education - Field

    0 infractions

  32. Routine Inspection/Field Review

    0 infractions

  33. Routine Inspection/Field Review

    0 infractions

  34. Routine Inspection/Field Review

    0 infractions

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