MARGIN CAFE LLC
1123 GRAND AVE, DIAMOND BAR, CA 91765 · RESTAURANT (0-30) SEATS MODERATE RISK
Inspection summary
MARGIN CAFE LLC has been inspected 2 times by Los Angeles County Department of Public Health, Environmental Health Division since March 6, 2024. The most recent inspection, on August 19, 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: Protecting food from contamination, Cleaning and sanitizing 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.
Protecting food from contaminationHigher risk
This covers how food is stored, prepared and displayed: raw meat kept away from ready-to-eat food, food covered and stored off the floor, and nothing dripping or splashing into it. Cross-contamination from raw to cooked food is a direct route for salmonella and E. coli.
Recorded 2 times across 2 separate inspections, most recently on August 19, 2025. For example:
FOOD IN GOOD CONDITION, SAFE AND UNADULTERATED
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 August 19, 2025. For example:
WIPING CLOTHS: PROPERLY USED AND STORED
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 August 19, 2025. For example:
TOXIC SUBSTANCES PROPERLY IDENTIFIED, STORED, USED
PestsHigher risk
Signs of mice, rats, cockroaches or flies, or gaps and clutter that let them get in or hide. Pests carry bacteria and can contaminate food and surfaces, so evidence of activity is treated seriously and usually triggers a follow-up visit.
Recorded once on March 6, 2024. For example:
NO RODENTS, INSECTS, BIRDS, OR ANIMALS
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 3 times across 2 separate inspections, most recently on August 19, 2025. For example:
EQUIPMENT/UTENSILS - APPROVED; INSTALLED; CLEAN; GOOD REPAIR, CAPACITY
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
- ROUTINE INSPECTION
4 infractions
- F035: # 35. EQUIPMENT/UTENSILS - APPROVED; INSTALLED; CLEAN; GOOD REPAIR, CAPACITY
- 1 point
- F013: # 13. FOOD IN GOOD CONDITION, SAFE AND UNADULTERATED
- 4 points
- F039: # 39. WIPING CLOTHS: PROPERLY USED AND STORED
- 1 point
- F029: # 29. TOXIC SUBSTANCES PROPERLY IDENTIFIED, STORED, USED
- 1 point
- F035: # 35. EQUIPMENT/UTENSILS - APPROVED; INSTALLED; CLEAN; GOOD REPAIR, CAPACITY
- ROUTINE INSPECTION
7 infractions
- F040: # 40. PLUMBING: PLUMBING IN GOOD REPAIR, PROPER BACKFLOW DEVICES
- 1 point
- F030: # 30. FOOD PROPERLY STORED; FOOD STORAGE CONTAINERS IDENTIFIED
- 1 point
- F023: # 23. NO RODENTS, INSECTS, BIRDS, OR ANIMALS
- 2 points
- F033: # 33. NONFOOD-CONTACT SURFACES CLEAN AND IN GOOD REPAIR
- 1 point
- F035: # 35. EQUIPMENT/UTENSILS - APPROVED; INSTALLED; CLEAN; GOOD REPAIR, CAPACITY
- 1 point
- F044: # 44. FLOORS, WALLS AND CEILINGS: PROPERLY BUILT, MAINTAINED IN GOOD REPAIR AND CLEAN
- 1 point
- F034: # 34. WAREWASHING FACILITIES: ADEQUATE, MAINTAINED, PROPERLY USE, TEST STRIPS AVAILABLE
- 1 point
- F040: # 40. PLUMBING: PLUMBING IN GOOD REPAIR, PROPER BACKFLOW DEVICES
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