Cooked?
Double - O
- gradeGrade A
- inspection score100 pts
- critical violations0
- last inspectedJanuary 29, 2026
- address20627 Golden Springs Dr 1-K, Diamond Bar 91765
Is Double - O clean?
Double - O is currently Grade A from LA County Department of Public Health, Environmental Health, from an inspection on January 29, 2026. No critical violations were recorded at that visit. On Cooked's ladder that reads clean 😇.
What did inspectors find at Double - O?
Nothing was written up at the most recent inspection on January 29, 2026. A clean sheet like this is the best possible result — no violations of any severity were recorded.
When was Double - O last inspected?
Double - O has 4 inspections on record going back to October 18, 2023, averaging 89 points.
| date | result | score |
|---|---|---|
| January 29, 2026 | Grade A | 100 pts |
| January 15, 2026 | Grade C | 70 pts |
| January 31, 2025 | Grade A | 92 pts |
| October 18, 2023 | Grade A | 92 pts |
Double - O vs Walnut
Walnut runs 97% clean across 115 tracked restaurants — 112 clean, 3 mid, 0 cooked.
Against the 115 spots Cooked tracks in Walnut, this one comes out cleaner than 96% of them.
Other spots in Walnut
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.
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 January 29, 2026. Inspection results describe one moment in a kitchen's life, not a permanent verdict.