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ARCO AM/PM

3302 S DIAMOND BAR BLVD, DIAMOND BAR, CA 91765 · FOOD MKT RETAIL (1-1,999 SF) LOW RISK

Inspection summary

ARCO AM/PM has been inspected 3 times by Los Angeles County Department of Public Health, Environmental Health Division since November 20, 2023. The most recent inspection, on March 4, 2026, recorded 8 infractions.

None of the 3 inspections on record were free of infractions. In the past 12 months there was 1 inspection with 8 infractions recorded. The higher-risk findings here relate to: Food source, labelling and allergens, Food temperature control and Chemicals and toxic substances.

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 source, labelling and allergensHigher risk

    Food must come from approved suppliers, stay in labelled containers and be thrown out when it is spoiled or damaged, such as dented or swollen cans. Labelling matters for allergies: an unlabelled container can hide an allergen.

    Recorded once on March 4, 2026. For example: FOOD PROPERLY LABELED & HONESTLY PRESENTED

  • 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 once on March 4, 2026. For example: PROPER HOT AND COLD HOLDING TEMPERATURES

  • Chemicals and toxic substancesHigher risk

    Cleaning products, sanitizers and pesticides must be labelled and stored away from food and food-contact surfaces. Inspectors flag chemicals that could end up in food, as well as pest treatments applied without proper supervision.

    Recorded once on March 4, 2026. For example: TOXIC SUBSTANCES PROPERLY IDENTIFIED, STORED, AND USED

  • 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 January 31, 2025. For example: ADEQUATE HANDWASHING FACILITIES SUPPLIED & ACCESSIBLE

  • 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 5 times across 3 separate inspections, most recently on March 4, 2026. For example: FLOORS, WALLS AND CEILINGS PROPERLY BUILT, MAINTAINED AND CLEAN

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.

3 inspections

  1. ROUTINE INSPECTION

    8 infractions

    • F145: FLOORS, WALLS AND CEILINGS PROPERLY BUILT, MAINTAINED AND CLEAN
      • 1 point
    • F133: FOOD PROPERLY LABELED & HONESTLY PRESENTED
      • 1 point
    • F108: PROPER HOT AND COLD HOLDING TEMPERATURES
      • 2 points
    • F130: TOXIC SUBSTANCES PROPERLY IDENTIFIED, STORED, AND USED
      • 1 point
    • F136: EQUIPMENT/UTENSILS APPROVED: INSTALLED; GOOD REPAIR; CAPACITY
      • 1 point
    • F141: PLUMBING: FIXTURES, BACKFLOW DEVICE, DRAINAGE
      • 1 point
    • F122: HOT AND COLD WATER AVAILABLE
      • 2 points
    • F134: NON-FOOD CONTACT SURFACES CLEAN
      • 1 point
  2. ROUTINE INSPECTION

    4 infractions

    • F033: # 33. NONFOOD-CONTACT SURFACES CLEAN AND IN GOOD REPAIR
      • 1 point
    • F040: # 40. PLUMBING: PLUMBING IN GOOD REPAIR, PROPER BACKFLOW DEVICES
      • 1 point
    • F006: # 06. ADEQUATE HANDWASHING FACILITIES SUPPLIED & ACCESSIBLE
      • 2 points
    • F035: # 35. EQUIPMENT/UTENSILS - APPROVED; INSTALLED; CLEAN; GOOD REPAIR, CAPACITY
      • 1 point
  3. ROUTINE INSPECTION

    2 infractions

    • F040: # 40. PLUMBING: PLUMBING IN GOOD REPAIR, PROPER BACKFLOW DEVICES
      • 1 point
    • F033: # 33. NONFOOD-CONTACT SURFACES CLEAN AND IN GOOD REPAIR
      • 1 point

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