NANA THAI STREET in Midtown South Flatiron Union Square
⚠️ This facility has been closed 2 times by the NYC Health Department
Latest: GRADE Z
Last inspected Jan 14, 2026
📍 31 EAST 21 STREET, Manhattan, NY 10010 ·
🍽️ Thai
·
🚇 Union Square-14th Street
Overview
Nana Thai Street in Midtown South has been subject to 2 emergency closures by NYC DOHMH since 2023. The restaurant currently holds a Grade Z designation with a score of 2, and has received Grade C on 2 of its 8 inspections over the past three years.
8
Inspections on Record
Grade Z
Current Grade
2
Closures
NANA THAI STREET in Midtown South Flatiron Union Square: Emergency Closures (2)
NANA THAI STREET in Midtown South Flatiron Union Square: Full Inspection History (8 records)
Jan 14, 2026
— Cycle Inspection / Initial Inspection
Score: 36
Evidence of mice or live mice in establishment's food or non-food areas.
Violations:
04L
GRADE Z
Oct 23, 2025
— Cycle Inspection / Reopening Inspection
Score: 2
Non-food contact surface or equipment made of unacceptable material, not kept clean, or not properly sealed, raised, spaced or movable to allow accessibility for cleaning on all sides, above and underneath the unit.
Violations:
10F
🚫 CLOSURE
Oct 20, 2025
— Cycle Inspection / Initial Inspection
Score: 75
Hot TCS food item not held at or above 140 °F.
Cold TCS food item held above 41 °F; smoked or processed fish held above 38 °F; intact raw eggs held above 45 °F; or reduced oxygen packaged (ROP) TCS foods held above required temperatures except during active necessary preparation.
Personal cleanl...
🚫 CLOSURE
Oct 20, 2025
— Cycle Inspection / Initial Inspection
Score: 75
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.
Violations:
04N
GRADE C
Apr 29, 2025
— Cycle Inspection / Re-inspection
Score: 43
Evidence of mice or live mice in establishment's food or non-food areas.
Cold TCS food item held above 41 °F; smoked or processed fish held above 38 °F; intact raw eggs held above 45 °F; or reduced oxygen packaged (ROP) TCS foods held above required temperatures except during active necessary pre...
Jan 15, 2025
— Cycle Inspection / Initial Inspection
Score: 23
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...
Oct 25, 2023
— Cycle Inspection / Compliance Inspection
Score: 22
Time/Temperature Control for Safety (TCS) food not cooked to required minimum internal temperature. • Poultry, poultry parts, ground and comminuted poultry, all stuffing containing poultry, meats, fish or ratites to or above 165 °F for 15 seconds with no interruption of the cooking process �...
GRADE C
Sep 28, 2023
— Cycle Inspection / Re-inspection
Score: 51
Evidence of mice or live mice in establishment's food or non-food areas.
Cold TCS food item held above 41 °F; smoked or processed fish held above 38 °F; intact raw eggs held above 45 °F; or reduced oxygen packaged (ROP) TCS foods held above required temperatures except during active necessary pre...
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NANA THAI STREET in Midtown South Flatiron Union Square: Frequently Asked Questions
- When was NANA THAI STREET last inspected?
- NANA THAI STREET was last inspected on January 14, 2026 (Grade Z). The inspection score was 36 points.
- What is NANA THAI STREET's current health grade?
- NANA THAI STREET currently holds a Grade Z.
- How many times has NANA THAI STREET been closed by NYC Health?
- NANA THAI STREET has been closed by NYC Health Department inspectors 2 times. Emergency closures occur when inspectors find conditions that pose an immediate public health hazard.
- How many health inspections has NANA THAI STREET had?
- NANA THAI STREET has 8 health inspections on record from September 2023 through January 2026. Grade C on 2 occasions.
- What was the worst inspection score at NANA THAI STREET?
- The worst inspection score recorded at NANA THAI STREET was 75 points on October 20, 2025. In NYC, a score of 14 or above means Grade B, and 28+ means Grade C.