ONCHEON in Midtown South Flatiron Union Square
Latest: GRADE Z
Last inspected Nov 18, 2025
📍 312 5 AVENUE, Manhattan, NY 10001 ·
🍽️ Korean
·
🚇 Herald Square-34th Street, Penn Station-34th Street
Overview
ONCHEON, a Korean restaurant at 312 5th Avenue in Midtown South, received a Grade Z on its most recent NYC DOHMH inspection in 2025, scoring 44 points. The restaurant has 4 inspections on record, all from 2025, with no emergency closures documented.
4
Inspections on Record
Grade Z
Current Grade
ONCHEON in Midtown South Flatiron Union Square: Full Inspection History (4 records)
Nov 18, 2025
— Pre-permit (Operational) / Compliance Inspection
Score: 18
Filth flies or food/refuse/sewage associated with (FRSA) flies or other nuisance pests in establishment’s food and/or non-food areas. FRSA flies include house flies, blow flies, bottle flies, flesh flies, drain flies, Phorid flies and fruit flies.
Evidence of mice or live mice in establishment's f...
GRADE Z
Oct 8, 2025
— Pre-permit (Operational) / Re-inspection
Score: 44
Food, supplies, or equipment not protected from potential source of contamination during storage, preparation, transportation, display, service or from customer’s refillable, reusable container. Condiments not in single-service containers or dispensed directly by the vendor.
Non-food contact surfa...
Sep 24, 2025
— Pre-permit (Operational) / Initial Inspection
Score: 57
Evidence of mice or live mice in establishment's food or non-food areas.
Food contact surface not properly washed, rinsed and sanitized after each use and following any activity when contamination may have occurred.
Establishment is not free of harborage or conditions conducive to rodents, insects o...
Sep 24, 2025
— Administrative Miscellaneous / Initial Inspection
Lighting fixture located over, by or within food storage, preparation, service or display facility, and facility where utensils and equipment are cleaned and stored, which may shatter due to extreme heat, temperature changes or accidental contact; not fitted with shatterproof bulb or shielded and en...
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ONCHEON in Midtown South Flatiron Union Square: Frequently Asked Questions
- When was ONCHEON last inspected?
- ONCHEON was last inspected on November 18, 2025 (Grade Z). The inspection score was 18 points.
- What is ONCHEON's current health grade?
- ONCHEON currently holds a Grade Z.
- How many health inspections has ONCHEON had?
- ONCHEON has 4 health inspections on record from September 2025 through November 2025.
- What was the worst inspection score at ONCHEON?
- The worst inspection score recorded at ONCHEON was 57 points on September 24, 2025. In NYC, a score of 14 or above means Grade B, and 28+ means Grade C.
- Has ONCHEON ever received a Grade C?
- No. ONCHEON has not received a Grade C in the inspections on record.