Cooked?Ruby's Diner Citadel
- gradeGrade A
- inspection score99 pts
- critical violations0
- last inspectedNovember 7, 2025 →
- address100 Citadel Dr Ste 222, Commerce 90040
Is Ruby's Diner Citadel clean?
Ruby's Diner Citadel is currently Grade A from LA County Department of Public Health, Environmental Health, from an inspection on November 7, 2025. No critical violations were recorded at that visit. On Cooked's ladder that reads clean 😇.
What did inspectors find at Ruby's Diner Citadel?
These are the violations recorded at the most recent inspection on November 7, 2025, in plain English, with the city's own wording underneath.
- ⚠️NON-FOOD CONTACT SURFACES CLEAN
When was Ruby's Diner Citadel last inspected?
Ruby's Diner Citadel has 3 inspections on record going back to January 16, 2024, averaging 94 points.
November 7, 2025 A
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View full inspection →November 4, 2025 B
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View full inspection →January 16, 2024 A
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View full inspection →Ruby's Diner Citadel vs City Of Commerce
City Of Commerce runs 88% clean across 136 tracked restaurants — 120 clean, 12 mid, 4 cooked.
Against the 136 spots Cooked tracks in City Of Commerce, this one comes out cleaner than 93% of them.
Other spots in City Of Commerce
How Los Angeles grades restaurants
Los Angeles County posts a letter placard in the window, and unlike New York the score runs the friendly way: higher is better. 90 to 100 points earns an A, 80 to 89 a B, and anything below that a C. The county inspects roughly every six months to a year depending on risk, and a failed inspection can close a kitchen until it is fixed. Because LA’s scores are final at the time of inspection — there is no pending window — a letter can be read straight off the score when the placard field is blank.
Read the Los Angeles ratings guide →
Inspection findings and available history come from the authority’s published records. Cooked checks daily, but the authority publishes in batches, so a recent visit may not appear yet. Read the date on each result and check the official source for newer information.
Source: LA County Department of Public Health, Environmental Health via LA County Open Data. Cooked refreshes this data daily — this listing's most recent inspection is dated November 7, 2025. Inspection results describe one moment in a kitchen's life, not a permanent verdict.
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