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Restaurant · Chicago, IL

Mastro's Steakhouse

520 N Dearborn St

Last inspected Jun 10, 2026 · View Map ↗ · Compare ↗

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More issues recentlyThe latest inspection recorded more violations than the one before it. Review the dated records below.

The full inspection history

13 inspections

Canvass

Jun 10, 2026

Pass

1 recorded violation

notedCode 51Water, plumbing, and sewage

Official wording

PLUMBING INSTALLED; PROPER BACKFLOW DEVICES

Inspector’s notes

OBSERVED 1 TOILET IN UPSTAIRS WOMEN'S TOILET ROOM WILL NOT STOP RUNNING. INSTRUCTED TO REPAIR OR REPLACE AND MAINTAIN IN GOOD CONDITION.

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

Official record from Chicago Department of Public Health, Jun 10, 2026 · Original Source

Non-Inspection

May 14, 2026

No Entry

0 recorded violations

No violations recorded in this inspection.

Official record from Chicago Department of Public Health, May 14, 2026 · Original Source

Short Form Complaint

Jul 18, 2025

Pass

1 recorded violation

notedCode 55Cleaning and sanitizing

Official wording

PHYSICAL FACILITIES INSTALLED, MAINTAINED & CLEAN

Inspector’s notes

6-201.11--OBSERVED SOME FLOOR TILES IN FRONT OF THE HANDWASHING SINK AT 1ST FLOOR BAR AND 1ST FLOOR DISHWASHING ROOM.INSTRUCTED TO REPAIR,RE-GROUT FLOOR TILES IN SAID AREAS AND MAINTAIN. BLACKENED,MOLDY WALL CAULKING AT THE DISHWASHING ROOM.MUST REPLACE AND MAINTAIN.

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

Official record from Chicago Department of Public Health, Jul 18, 2025 · Original Source

Short Form Complaint

Jul 14, 2025

No Entry

0 recorded violations

No violations recorded in this inspection.

Official record from Chicago Department of Public Health, Jul 14, 2025 · Original Source

Canvass Re-Inspection

Jun 16, 2025

Pass

1 recorded violation

notedCode 55Cleaning and sanitizing

Official wording

PHYSICAL FACILITIES INSTALLED, MAINTAINED & CLEAN

Inspector’s notes

6-201.11--OBSERVED SOME FLOOR TILES IN FRONT OF THE HANDWASHING SINK AT 1ST FLOOR BAR AND 1ST FLOOR DISHWASHING ROOM.INSTRUCTED TO REPAIR,RE-GROUT FLOOR TILES IN SAID AREAS AND MAINTAIN. BLACKENED,MOLDY WALL CAULKING AT THE DISHWASHING ROOM.MUST REPLACE AND MAINTAIN.

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

Official record from Chicago Department of Public Health, Jun 16, 2025 · Original Source

Canvass

Jun 9, 2025

Fail

4 recorded violations

notedCode 10Handwashing

Official wording

ADEQUATE HANDWASHING SINKS PROPERLY SUPPLIED AND ACCESSIBLE

Inspector’s notes

OBSERVED THE 1ST FLOOR MEN AND WOMEN WASHROOMS HANDWASHING SINKS WITH WATER TEMPERATURE AT 121.F-126.F.THE WATER TEMPERATURE CANNOT BE CONTROLLED BY THE USERS.INSTRUCTED TO REPAIR AND MAINTAIN THE HOT WATER TEMPERATURE IN BOTH WASHROOMS MUST BE BETWEEN 100F-120F.PRIORITY FOUNDATION VIOLATION 7-38-030(C),CITATION ISSUED.

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
notedCode 47Cleaning and sanitizing

Official wording

FOOD & NON-FOOD CONTACT SURFACES CLEANABLE, PROPERLY DESIGNED, CONSTRUCTED & USED

Inspector’s notes

OBSERVED SOME COLOR CODED STAINED CUTTING BOARDS IN THE FIRST FLOOR FOOD PREP AREAS.INSTRUCTED TO RESURFACE OR REPLACE THE CUTTING BOARDS AND MAINTAIN .

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
notedCode 49Cleaning and sanitizing

Official wording

NON-FOOD/FOOD CONTACT SURFACES CLEAN

Inspector’s notes

INSTRUCTED TO DETAIL CLEAN THE GREASE BUILD-UP INSIDE OF THE DEEP FRYERS AND SIDES AND IN BETWEEN COOKING FOOD EQUIPMENTS IN THE 1ST FLOOR MAIN COOK LINE PREP AREA AND MAINTAIN.

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
notedCode 55Cleaning and sanitizing

Official wording

PHYSICAL FACILITIES INSTALLED, MAINTAINED & CLEAN

Inspector’s notes

OBSERVED SOME FLOOR TILES IN FRONT OF THE HANDWASHING SINK AT 1ST FLOOR BAR AND 1ST FLOOR DISHWASHING ROOM.INSTRUCTED TO REPAIR,RE-GROUT FLOOR TILES IN SAID AREAS AND MAINTAIN. BLACKENED,MOLDY WALL CAULKING AT THE DISHWASHING ROOM.MUST REPLACE AND MAINTAIN.

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

Official record from Chicago Department of Public Health, Jun 9, 2025 · Original Source

Non-Inspection

May 20, 2025

No Entry

0 recorded violations

No violations recorded in this inspection.

Official record from Chicago Department of Public Health, May 20, 2025 · Original Source

Canvass Re-Inspection

Sep 11, 2024

Pass

3 recorded violations

notedCode 48Cleaning and sanitizing

Official wording

WAREWASHING FACILITIES: INSTALLED, MAINTAINED & USED; TEST STRIPS

Inspector’s notes

4-204.113: OBSERVED FADED DATA PLATE ON HIGH TEMPERATURE DISH MACHINE IN WEST DISH PIT. INSTRUCTED TO PROVIDE AN EASILY ACCESSIBLE AND READABLE DATA PLATE AFFIXED TO THE MACHINE BY THE MANUFACTURER THAT INDICATES THE MACHINE'S DESIGN AND OPERATION SPECIFICATIONS.

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
notedCode 51Water, plumbing, and sewage

Official wording

PLUMBING INSTALLED; PROPER BACKFLOW DEVICES

Inspector’s notes

5-205.15: OBSERVED HANDWASHING SINK IN SECOND ALL GENDER WASHROOM ON SECOND FLOOR NOT WORKING. INSTRUCTED TO REPAIR HANDWASHING SINKS AND MAINTAIN. (THERE ARE FOUR OTHER PROPERLY FUNCTIONING SINKS IN WOMEN'S WASHROOM ON SECOND FLOOR).

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
notedCode 55Cleaning and sanitizing

Official wording

PHYSICAL FACILITIES INSTALLED, MAINTAINED & CLEAN

Inspector’s notes

6-501.11: OBSERVED DAMAGED FLOOR TILES AND GROUT OUTSIDE OF CHEF'S OFFICE ACROSS FROM SMALL ICE MACHINE. INSTRUCTED TO REPAIR OR REPLACE FLOOR TILES AND GROUT IN SAID AREA AND MAINTAIN.

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

Official record from Chicago Department of Public Health, Sep 11, 2024 · Original Source

Canvass

Sep 4, 2024

Fail

9 recorded violations

notedCode 29Other

Official wording

COMPLIANCE WITH VARIANCE/SPECIALIZED PROCESS/HACCP

Inspector’s notes

OBSERVED NO VARIANCE/HACCP PLAN APPROVAL ON SITE FOR VACUUM SEALING TIME AND TEMPERATURE CONTROL FOR SAFETY FOOD(BEEF DATED 8/31) FOUND IN WALK IN COOLER. CORRECTED ON SITE VACUUM SEALED BEEF DATED 8/31 VOLUNTARILY DISCARDED AND DENATURED(VALUE $781/11 LBS)INSTRUCTED SITE NOT TO USE VACUUM SEAL MACHINE INFORMED SITE THAT TO USE SAID MACHINE, A HACCP PLAN/VARIANCE MUST BE OBTAINED BY CDPH. ONE MACHINE TAGGED DURING INSPECTION. INSTRUCTED SITE NOT TO USE MACHINE NOR VACUUM SEAL FOOD UNTIL HACCP PLAN/VARIANCE IS SUBMITTED TO CDPH AND APPROVAL GRANTED FROM CDPDH. PRIORITY FOUNDATION VIOLATION 7-38-005 CITATION ISSUED.

In plain English

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

More about other finding
notedCode 32Other

Official wording

VARIANCE OBTAINED FOR SPECIALIZED PROCESSING METHODS

Inspector’s notes

OBSERVED FACILITY NOT MEETING COMPLIANCE WITH VARIANCE/SPECIALIZED PROCESS IN FACILITY NOTED REDUCED OXYGEN PACKAGAGED BEEF DATED 8/31 STORED IN WALK IN COOLER DURING TIME OF INSPECTION. INFORMED PERSON IN CHARGE THAT DOCUMENTATION AND PROCEDURES MUST BE SUBMITTED AND APPROVED BY CDPH BEFORE PERFORMING SUCH SPECIALIZED FOOD PROCESSES AND MUST BE MAINTAINED. TAGGED UNIT, INCLUDING PACKAGING MATERIAL AND VACUUM SEALED BEEF DATED 8/31 VOLUNTARILY DISCARDED AND DENATURED. PRIORITY FOUNDATION VIOLATION. 7-38-005. CITATION CONSOLIDATED WITH VIOLATION #29

In plain English

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

More about other finding
notedCode 44Equipment and utensils

Official wording

UTENSILS, EQUIPMENT & LINENS: PROPERLY STORED, DRIED, & HANDLED

Inspector’s notes

OBSERVED PRE-SET TABLEWARE UNCOVERED ON DINING ROOM TABLES. INSTRUCTED TO WRAP, COVER OR INVERT PRE-SET TABLEWARE IN ORDER TO CONTAMINATION.

In plain English

Equipment, utensils, thermometers, cutting boards, or single-use items were not in good condition, not the right type, or not stored properly.

More about equipment or utensil issues
notedCode 10Handwashing

Official wording

ADEQUATE HANDWASHING SINKS PROPERLY SUPPLIED AND ACCESSIBLE

Inspector’s notes

OBSERVED IMPROPER MINIMUM WATER TEMPERATURE OF 73.8F AT SECOND FLOOR WOMEN'S HANDWASHING SINK #1(RIGHT SIDE)INSTRUCTED A HANDWASHING SINK SHALL BE EQUIPPED TO PROVIDE WATER AT A TEMPERATURE OF AT LEAST 100F THROUGH A MIXING VALVE OR COMBINATION FAUCET. PRIORITY VIOLATION 7-38-030(C)CITATION ISSUED.

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
notedCode 25Food temperature

Official wording

CONSUMER ADVISORY PROVIDED FOR RAW/UNDERCOOKED FOOD

Inspector’s notes

OBSERVED NO ASTERISK ON MENU IDENTIFYING ANIMAL DERIVED FOODS THAT ARE SERVED RAW, UNDERCOOKED OR COOKED TO ORDER. INSTRUCTED TO ADD ASTERISK IDENTIFYING ANIMAL DERIVED FOODS THAT ARE SERVED RAW, UNDERCOOKED OR COOKED TO ORDER TO MENU. PRIORITY FOUNDATION VIOLATION 7-38-005 NO CITATION ISSUED.

In plain English

Food was not kept cold enough, hot enough, cooled fast enough, or cooked or reheated to the right temperature. Bacteria grow quickly in the "danger zone" between 41°F and 135°F, which makes this one of the most important food-safety checks.

More about food kept at an unsafe temperature
notedCode 39Contamination

Official wording

CONTAMINATION PREVENTED DURING FOOD PREPARATION, STORAGE & DISPLAY

Inspector’s notes

OBSERVED NO LEFT SIDE SPLASH GUARD ON HANDWASHING SINK IN SECOND FLOOR BAR. INSTRUCTED TO INSTALL LEFT SIDE SPLASH GUARD ON HNADWASHING SINK IN SECOND FLOOR BAR TO PREVENT CONTAMINATION OF EQUIPMENT.

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
notedCode 48Cleaning and sanitizing

Official wording

WAREWASHING FACILITIES: INSTALLED, MAINTAINED & USED; TEST STRIPS

Inspector’s notes

OBSERVED FADED DATA PLATE ON HIGH TEMPERATURE DISH MACHINE IN WEST DISH PIT. INSTRUCTED TO PROVIDE AN EASILY ACCESSIBLE AND READABLE DATA PLATE AFFIXED TO THE MACHINE BY THE MANUFACTURER THAT INDICATES THE MACHINE'S DESIGN AND OPERATION SPECIFICATIONS.

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
notedCode 51Water, plumbing, and sewage

Official wording

PLUMBING INSTALLED; PROPER BACKFLOW DEVICES

Inspector’s notes

OBSERVED HANDWASHING SINK #3 IN SECOND FLOOR WOMEN'S WASHROOM NOT WORKING AND OBSERVED HANDWASHING SINK IN SECOND ALL GENDER WASHROOM ON SECOND FLOOR NOT WORKING. INSTRUCTED TO REPAIR HANDWASHING SINKS AND MAINTAIN. (THERE ARE TWO OTHER PROPERLY FUNCTIONING SINKS IN WOMEN'S WASHROOM ON SECOND FLOOR).

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
notedCode 55Cleaning and sanitizing

Official wording

PHYSICAL FACILITIES INSTALLED, MAINTAINED & CLEAN

Inspector’s notes

OBSERVED DAMAGED FLOOR TILES AND GROUT OUTSIDE OF CHEF'S OFFICE ACROSS FROM SMALL ICE MACHINE. INSTRUCTED TO REPAIR OR REPLACE FLOOR TILES AND GROUT IN SAID AREA AND MAINTAIN.

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

Official record from Chicago Department of Public Health, Sep 4, 2024 · Original Source

Non-Inspection

Aug 12, 2024

No Entry

0 recorded violations

No violations recorded in this inspection.

Official record from Chicago Department of Public Health, Aug 12, 2024 · Original Source

Canvass Re-Inspection

Nov 13, 2023

Pass

0 recorded violations

No violations recorded in this inspection.

Official record from Chicago Department of Public Health, Nov 13, 2023 · Original Source

Canvass

Nov 6, 2023

Fail

4 recorded violations

notedCode 47Cleaning and sanitizing

Official wording

FOOD & NON-FOOD CONTACT SURFACES CLEANABLE, PROPERLY DESIGNED, CONSTRUCTED & USED

Inspector’s notes

OBSERVED RUSTY STORAGE SHELVING LOCATED NEXT TO 3-COMPARTMENT SINK IN REAR DISH/PREP AREA AND INSIDE CHEMICAL ROOM. MUST REPAINT OR REPLACE SHELVING.

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
notedCode 58Permits, training, and postings

Official wording

ALLERGEN TRAINING AS REQUIRED

Inspector’s notes

OBSERVED NO PROOF OF ALLERGEN TRAINING CERTIFICATE FOR FOUR CITY OF CHICAGO CERTIFIED FOOD MANAGERS ON PEMISES. INSTRUCTED ABOVE THAT ALL CITY OF CHICAGO CERTIFIED FOOD MANAGERS MUST OBTAIN CERTIFICATE.

In plain English

A required permit, food safety certificate, trained manager, or posted sign was missing or not current. These show the business is following the rules and has trained staff.

More about paperwork, training, or posting issues
notedCode 48Cleaning and sanitizing

Official wording

WAREWASHING FACILITIES: INSTALLED, MAINTAINED & USED; TEST STRIPS

Inspector’s notes

NO IRREVERSIBLE REGISTERING TEMPERATURE INDICATORS AVAILABLE FOR THE HIGH TEMPERATURE DISH WASHING MACHINE ON PREMISES. PRIORITY FOUNDATION VIOLATION 7-38-005. NO CITATION ISSUED.

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
notedCode 56Facility maintenance

Official wording

ADEQUATE VENTILATION & LIGHTING; DESIGNATED AREAS USED

Inspector’s notes

OBSERVED DUST BUILD UP ON VENTILATION VENTS INSIDE THE EMPLOYEES WASHROOMS. MUST CLEAN AND MAINTAIN.

In plain English

Floors, walls, ceilings, lighting, ventilation, or garbage areas needed repair or cleaning. These are usually less urgent than food-handling problems but still need to be fixed.

More about building upkeep issues

Official record from Chicago Department of Public Health, Nov 6, 2023 · Original Source

Non-Inspection

Nov 2, 2023

No Entry

0 recorded violations

No violations recorded in this inspection.

Official record from Chicago Department of Public Health, Nov 2, 2023 · Original Source

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