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MCDONALD'S #11027

2807 78TH ST SE, MERCER ISLAND, WA 98040 · Restaurant (Seating 51-150)

Inspection summary

MCDONALD'S #11027 has been inspected 39 times by Public Health – Seattle & King County since January 11, 2006. The most recent inspection, on July 30, 2026, found no infractions.

27 of 39 inspections on record found no infractions at all. In the past 12 months there were 2 inspections with 1 infraction recorded. The higher-risk findings here relate to: Food temperature control and Handwashing and staff hygiene.

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.

  • 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 8 times across 7 separate inspections, most recently on January 9, 2026. For example: 2120 - Proper cold holding temperatures; between 42 to 45 degrees Fahrenheit (F) (6 to 7 degrees Celsius (C))

  • Handwashing and staff hygieneHigher risk

    Hands are the main way germs like norovirus move from people to food. Inspectors look for stocked, accessible handwashing sinks, staff washing hands when required, hair restraints, and sick employees being kept away from food. Gaps here can spread illness quickly.

    Recorded once on February 6, 2012. For example: 3500 - Employee cleanliness and hygiene

  • Building, plumbing and upkeepLower risk

    Floors, walls and ceilings must be smooth and clean, with working lighting, ventilation, plumbing, hot and cold water, and washrooms. These are rarely an immediate food-safety risk on their own, but persistent problems can lead to pest or sanitation issues.

    Recorded 4 times across 4 separate inspections, most recently on August 29, 2023. For example: 4400 - Plumbing properly sized, installed, and maintained; proper backflow devices, indirect drains, no cross-connections

  • Equipment and utensilsLower risk

    Equipment has to be built from cleanable materials, kept in good repair and stored properly. These findings are mostly about upkeep, like a cracked shelf, a worn gasket or utensils stored the wrong way. They are generally lower risk but show how well the kitchen is maintained.

    Recorded 2 times across 2 separate inspections, most recently on August 29, 2023. For example: 4000 - Food and nonfood surfaces properly used and constructed; cleanable

  • Permits, records and postingLower risk

    Operating permits, required signage, written procedures and logs. These findings are administrative: the documentation was missing or out of date at the time of inspection.

    Recorded once on May 18, 2018. For example: 2600 - Compliance with risk control plans, variances, plan of operation; valid permit; appr procedur

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.

39 inspections

  1. Routine Inspection/Field Review

    0 infractions

  2. Routine Inspection/Field Review

    1 infraction

    • 2120 - Proper cold holding temperatures; between 42 to 45 degrees Fahrenheit (F) (6 to 7 degrees Celsius (C))
      • RED
  3. Routine Inspection/Field Review

    0 infractions

  4. Routine Inspection/Field Review

    0 infractions

  5. Routine Inspection/Field Review

    2 infractions

    • 4000 - Food and nonfood surfaces properly used and constructed; cleanable
      • BLUE
    • 4400 - Plumbing properly sized, installed, and maintained; proper backflow devices, indirect drains, no cross-connections
      • BLUE
  6. Routine Inspection/Field Review

    0 infractions

  7. Routine Inspection/Field Review

    1 infraction

    • 4800 - Physical facilities properly installed, maintained, cleaned; unnecessary persons excluded from establishment
      • BLUE
  8. Routine Inspection/Field Review

    1 infraction

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

    0 infractions

  10. Routine Inspection/Field Review

    1 infraction

    • 1800 - Proper cooking time and temperature; proper use of non-continuous cooking
      • RED
  11. Routine Inspection/Field Review

    1 infraction

    • 1800 - Proper cooking time and temperature; proper use of non-continuous cooking
      • RED
  12. Return Inspection

    0 infractions

  13. Routine Inspection/Field Review

    3 infractions

    • 1800 - Proper cooking time and temperature; proper use of non-continuous cooking
      • RED
    • 1600 - Proper cooling procedure
      • RED
    • 2600 - Compliance with risk control plans, variances, plan of operation; valid permit; appr procedur
      • RED
  14. Consultation/Education - Field

    0 infractions

  15. Routine Inspection/Field Review

    0 infractions

  16. Routine Inspection/Field Review

    0 infractions

  17. Routine Inspection/Field Review

    1 infraction

    • 3700 - In-use utensils properly stored
      • BLUE
  18. Routine Inspection/Field Review

    0 infractions

  19. Routine Inspection/Field Review

    0 infractions

  20. Routine Inspection/Field Review

    0 infractions

  21. Routine Inspection/Field Review

    0 infractions

  22. Consultation/Education - Field

    0 infractions

  23. Routine Inspection/Field Review

    0 infractions

  24. Routine Inspection/Field Review

    0 infractions

  25. Consultation/Education - Field

    0 infractions

  26. Routine Inspection/Field Review

    1 infraction

    • 1800 - Proper cooking time and temperature
      • RED
  27. Routine Inspection/Field Review

    2 infractions

    • 4400 - Plumbing properly sized, installed,...
      • BLUE
    • 3500 - Employee cleanliness and hygiene
      • BLUE
  28. Consultation/Education - Field

    0 infractions

  29. Routine Inspection/Field Review

    1 infraction

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

    1 infraction

    • 4400 - Plumbing properly sized, installed,...
      • BLUE
  31. Routine Inspection/Field Review

    0 infractions

  32. Consultation/Education - Field

    0 infractions

  33. Routine Inspection/Field Review

    0 infractions

  34. Routine Inspection/Field Review

    0 infractions

  35. Routine Inspection/Field Review

    0 infractions

  36. Routine Inspection/Field Review

    0 infractions

  37. Consultation/Education - Field

    0 infractions

  38. Routine Inspection/Field Review

    0 infractions

  39. Routine Inspection/Field Review

    0 infractions

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