The Three Diamond Door
211 KNICKERBOCKER AVENUE, Brooklyn, 11237
Should you eat here?
Mostly OK — but 3 critical violations were found at the latest inspection (4 months ago). Details below.
Last inspected Mar 28, 2026 · New York City health department
What the inspector found on Mar 28, 2026
Raw and ready-to-eat foods were not kept separate, risking contamination.
Raw, cooked or prepared food is adulterated, contaminated, cross-contaminated, or not discarded in accordance with HACCP plan.
CriticalRaw and ready-to-eat foods were not kept separate, risking contamination.
Food contact surface not properly washed, rinsed and sanitized after each use and following any activity when contamination may have occurred.
CriticalAn issue with how food is prepared, protected, or handled during service.
Food Protection Certificate (FPC) not held by manager or supervisor of food operations.
Critical
Inspection history
| Date | Result | Type | Violations |
|---|---|---|---|
| Mar 28, 2026 | Grade Pending | Cycle Inspection / Initial Inspection | 3 (3 critical) |
| Sep 21, 2024 | Grade A | Cycle Inspection / Re-inspection | 3 (1 critical) |
| Jun 16, 2023 | Grade Pending | Cycle Inspection / Initial Inspection | 4 (3 critical) |
Problems that keep coming back
Issues cited at more than one inspection — a better signal than any single visit.
- 2×Raw and ready-to-eat foods were not kept separate, risking contamination.
- 2×Signs of pests (like mice, rats, roaches, or flies) or conditions that could attract them.
- 2×Signs of pests (like mice, rats, roaches, or flies) or conditions that could attract them.
Around this address
City records for the building itself, not this restaurant’s inspection.
- 20 rodent inspections on record, none finding rat activity.
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