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RAINBOW DONUTS

1271 DIAMOND BAR BLVD, DIAMOND BAR, CA 91766 · RESTAURANT (0-30) SEATS MODERATE RISK

Inspection summary

RAINBOW DONUTS has been inspected 2 times by Los Angeles County Department of Public Health, Environmental Health Division since October 23, 2023. The most recent inspection, on March 7, 2025, recorded 4 infractions.

None of the 2 inspections on record were free of infractions. No inspections are on record from the past 12 months. The higher-risk findings here relate to: Cleaning and sanitizing.

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 once on March 7, 2025. For example: FOOD CONTACT SURFACES: CLEAN AND SANITIZED

  • 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 2 times across 2 separate inspections, most recently on March 7, 2025. For example: PLUMBING: PLUMBING IN GOOD REPAIR, PROPER BACKFLOW DEVICES

  • 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 These findings are administrative: the documentation was missing or out of date at the time of inspection.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 March 7, 2025. For example: SIGNS POSTED; LAST INSPECTION REPORT AVAILABLE

  • Food safety training and certificationLower risk

    Most jurisdictions require a certified food handler or manager on site, and some require allergen or food-worker training. These findings mean the paperwork or the trained person was missing at the time. They do not by themselves mean food was handled unsafely.

    Recorded once on March 7, 2025. For example: DEMONSTRATION OF KNOWLEDGE

About this data

These results come from Los Angeles County Department of Public Health, Environmental Health Division, 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.

2 inspections

  1. ROUTINE INSPECTION

    4 infractions

    • F014: # 14. FOOD CONTACT SURFACES: CLEAN AND SANITIZED
      • 4 points
    • F040: # 40. PLUMBING: PLUMBING IN GOOD REPAIR, PROPER BACKFLOW DEVICES
      • 1 point
    • F046: # 46. SIGNS POSTED; LAST INSPECTION REPORT AVAILABLE
      • 1 point
    • F055: # 01A. DEMONSTRATION OF KNOWLEDGE
      • 2 points
  2. ROUTINE INSPECTION

    1 infraction

    • F040: # 40. PLUMBING: PLUMBING IN GOOD REPAIR, PROPER BACKFLOW DEVICES
      • 1 point

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