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American · New York City, NY

Filthy Diamond

679 Knickerbocker Avenue

Last inspected Apr 30, 2026 · View Map ↗ · Compare ↗

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Violations cited

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Repeat problemsSerious findings or closures appear in two or more of the last three inspections. Review the dated records below.

The full inspection history

3 inspections

Smoke-Free Air Act / Initial Inspection

Apr 30, 2026

Violations cited

1 recorded violation

notedCode 15-39Other

Official wording

Ashtray present in smoke-free area.

In plain English

An issue that does not fit the common categories. Check the official wording for details.

More about other finding

Official record from NYC Department of Health and Mental Hygiene, Apr 30, 2026 · Original Source

Cycle Inspection / Initial Inspection

Apr 30, 2026

Violations cited

Official score: 24 · Understand this area’s scale

6 recorded violations

minorCode 09EHandwashing

Official wording

Wash hands sign not posted near or above hand washing sink.

In plain English

Staff were not washing their hands when required, or a handwashing sink was blocked, missing soap or paper towels, or used for something else. Hands are one of the most common ways germs reach food.

More about handwashing problems
criticalCode 06DContamination

Official wording

Food contact surface not properly washed, rinsed and sanitized after each use and following any activity when contamination may have occurred.

In plain English

Food was stored or handled in a way that could let germs or other material get into it, such as raw meat stored above ready-to-eat food or uncovered food. Cross-contamination is a common cause of foodborne illness.

More about food not protected from contamination
minorCode 10GCleaning and sanitizing

Official wording

Dishwashing and ware washing: Cleaning and sanitizing of tableware, including dishes, utensils, and equipment deficient.

In plain English

Dishes, equipment, or surfaces that touch food were not properly washed, rinsed, and sanitized, or sanitizer was not at the right strength. Clean surfaces help stop germs from spreading to food.

More about cleaning or sanitizing problems
criticalCode 06BEmployee health and hygiene

Official wording

Tobacco or electronic cigarette use, eating, or drinking from open container in food preparation, food storage or dishwashing area.

In plain English

This covers things like hair restraints, jewelry, clean clothing, eating or drinking in food prep areas, touching ready-to-eat food with bare hands, or not having a sick-employee policy.

More about employee hygiene or health policy issues
minorCode 09CCleaning and sanitizing

Official wording

Design, construction, materials used or maintenance of food contact surface improper. Surface not easily cleanable, sanitized and maintained.

In plain English

Dishes, equipment, or surfaces that touch food were not properly washed, rinsed, and sanitized, or sanitizer was not at the right strength. Clean surfaces help stop germs from spreading to food.

More about cleaning or sanitizing problems
criticalCode 06CContamination

Official wording

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.

In plain English

Food was stored or handled in a way that could let germs or other material get into it, such as raw meat stored above ready-to-eat food or uncovered food. Cross-contamination is a common cause of foodborne illness.

More about food not protected from contamination

Official record from NYC Department of Health and Mental Hygiene, Apr 30, 2026 · Original Source

Pre-permit (Operational) / Initial Inspection

Sep 22, 2024

A Grade

Official score: 11 · Understand this area’s scale

3 recorded violations

minorCode 10FCleaning and sanitizing

Official wording

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.

In plain English

Dishes, equipment, or surfaces that touch food were not properly washed, rinsed, and sanitized, or sanitizer was not at the right strength. Clean surfaces help stop germs from spreading to food.

More about cleaning or sanitizing problems
minorCode 10BWater, plumbing, and sewage

Official wording

Anti-siphonage or back-flow prevention device not provided where required; equipment or floor not properly drained; sewage disposal system in disrepair or not functioning properly. Condensation or liquid waste improperly disposed of.

In plain English

The business had issues with hot or cold running water, plumbing, drains, backflow prevention, or sewage disposal. Some of these, like no hot water, can force a temporary closure until fixed.

More about water, plumbing, or sewage problems
criticalCode 06DContamination

Official wording

Food contact surface not properly washed, rinsed and sanitized after each use and following any activity when contamination may have occurred.

In plain English

Food was stored or handled in a way that could let germs or other material get into it, such as raw meat stored above ready-to-eat food or uncovered food. Cross-contamination is a common cause of foodborne illness.

More about food not protected from contamination

Official record from NYC Department of Health and Mental Hygiene, Sep 22, 2024 · Original Source

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