SANITARY INSPECTION RECORD — CITY OF SAN FRANCISCO
✕

MASON DINER.

320 MASON ST · TENDERLOIN, SAN FRANCISCO

Not yet rated · 20 inspections on record

Only 20 inspections on record. We need more visits before issuing a verdict.

THE NUMBERS

INSPECTIONS
20
9 passed · 11 w/ conditions
VIOLATIONS
46
includes 2 critical
RECORDS COVER
8 YEARS
since Feb 2017

INSPECTION HISTORY

APR 11
2025
PASS W/ CONDITIONS
1 violation
DETAILS
MINORSanitation
114130-114130.5, 114132, 114133, 114137, 114139, 114153, 114163, 114165, 114167, 114169, 114175, 114177, 114180, 114182 - Ensure all equipment is approved, properly installed, clean, and maintained in
MAR 19
2025
PASS W/ CONDITIONS
6 violations2 CRITICAL
DETAILS
MINORSanitation
114130-114130.5, 114132, 114133, 114137, 114139, 114153, 114163, 114165, 114167, 114169, 114175, 114177, 114180, 114182 - Ensure all equipment is approved, properly installed, clean, and maintained in
CRITICALPest Activity
114067(h), 114123, 114143(a, b), 114256-114256.2, 114256.4, 114257-114257.1, 114259, 114259.2-114259.3, 114279, 114281, 114282 - Keep clean and free of litter or rubbish the premises of each food faci
MINOREmployee Hygiene
113969, 113971 - Ensure all food employees are utilizing appropriate hair restraints when handling food
CRITICALPest Activity
114259, 114259.1, 114259.4, 114259.5 - Eliminate the infestation/activity of cockroaches/rodents/flies/vermin from the food facility by using only approved methods. Remove all evidence of the infestat
SERIOUSSanitation
113984(d), 114097, 114099.1, 114099.4, 114099.6, 114101(b, c, d), 114105, 114109, 114111, 114113, 11415 (a, b, D), 114117, 114125(b), 114141 - Properly wash, rinse and sanitize all food contact surfac
SERIOUSFood Temperature
113996, 113998, 114037, 114429, 114429.3, 114429.5 - Keep potentially hazardous foods (PHF) cold at 41°F or below or hot held at 135°F or above. Immediately discontinue storing PHF at room temperature
AUG 30
2024
PASSED
0 violations
AUG 22
2024
PASS W/ CONDITIONS
2 violations
DETAILS
SERIOUSFood Temperature
113996, 113998, 114037, 114429, 114429.3, 114429.5 - Keep potentially hazardous foods (PHF) cold at 41°F or below or hot held at 135°F or above. Immediately discontinue storing PHF at room temperature
MINORDocumentation & Training
113947.1-113947.6, 113948 - Obtain a state approved food safety certification course within 60 days of operation or when a Food Safety Manager has left the facility. Maintain copies of food safety cer
AUG 13
2024
PASS W/ CONDITIONS
3 violations
DETAILS
SERIOUSSanitation
114171, 114189.1, 114190, 114192, 114193, 114193.1, 114199, 114201, 114269 - Protect the potable water supply with a backflow protection device, as required by applicable plumbing codes. All plumbing,
MINORDocumentation & Training
113947.1-113947.6, 113948 - Obtain a state approved food safety certification course within 60 days of operation or when a Food Safety Manager has left the facility. Maintain copies of food safety cer
SERIOUSFood Temperature
113996, 113998, 114037, 114429, 114429.3, 114429.5 - Keep potentially hazardous foods (PHF) cold at 41°F or below or hot held at 135°F or above. Immediately discontinue storing PHF at room temperature
show all 20 inspections →
AUG 6
2024
PASS W/ CONDITIONS
3 violations
DETAILS
SERIOUSFood Temperature
113996, 113998, 114037, 114429, 114429.3, 114429.5 - Keep potentially hazardous foods (PHF) cold at 41°F or below or hot held at 135°F or above. Immediately discontinue storing PHF at room temperature
MINORDocumentation & Training
113947.1-113947.6, 113948 - Obtain a state approved food safety certification course within 60 days of operation or when a Food Safety Manager has left the facility. Maintain copies of food safety cer
SERIOUSSanitation
114171, 114189.1, 114190, 114192, 114193, 114193.1, 114199, 114201, 114269 - Protect the potable water supply with a backflow protection device, as required by applicable plumbing codes. All plumbing,
MAY 11
2023
PASSED
0 violations
APR 24
2023
PASS W/ CONDITIONS
10 violations
DETAILS
MINOROther
Food Safety Manager Certification and Food Handler Card [ date violation corrected: 5/11/2023 ]
MINOROther
Hot and cold running water available [ date violation corrected: 5/11/2023 ]
MINORFood Temperature
Proper hot and cold holding temperatures [ date violation corrected: 5/11/2023 ]
MINORDocumentation & Training
Demonstration of knowledge [ date violation corrected: 5/11/2023 ]
MINORSanitation
Equipment, utensils and linens; storage and use [ date violation corrected: 5/11/2023 ]
MINORSanitation
Floors, walls and ceiling: build, maintianed & clean [ date violation corrected: 5/11/2023 ]
SERIOUSSanitation
Nonfood contact surfaces clean [ date violation corrected: 5/11/2023 ]
MINORDocumentation & Training
Permit & License Certificate available [ date violation corrected: 5/11/2023 ]
MINOROther
Food separated and protected [ date violation corrected: 5/11/2023 ]
MINORChemical Safety
Toxic substances properly identified; stored & used [ date violation corrected: 5/11/2023 ]
AUG 16
2022
PASSED
0 violations
AUG 1
2022
PASS W/ CONDITIONS
9 violations
DETAILS
MINOREmployee Hygiene
Adequate hand washing facilities; supplied and accessible [ date violation corrected: 8/16/2022 ]
MINOROther
Food Safety Manager Certification and Food Handler Card [ date violation corrected: 4/24/2023 ]
MINORFood Temperature
Proper cooling methods [ date violation corrected: 8/16/2022 ]
MINORFood Temperature
Proper hot and cold holding temperatures [ date violation corrected: 8/16/2022 ]
MINORSanitation
Floors, walls and ceiling: build, maintianed & clean [ date violation corrected: 8/16/2022 ]
MINOROther
Food separated and protected [ date violation corrected: 8/16/2022 ]
MINORDocumentation & Training
Permit & License Certificate available [ date violation corrected: 4/24/2023 ]
MINOROther
Washing fruits and vegetables [ date violation corrected: 8/16/2022 ]
MINORSanitation
Wiping cloths; properly used and stored [ date violation corrected: 8/16/2022 ]
JUN 22
2021
PASSED
0 violations
JUN 17
2021
PASS W/ CONDITIONS
3 violations
DETAILS
SERIOUSFood Temperature
Proper hot and cold holding temperatures [ date violation corrected: 6/22/2021 ]
MINOREmployee Hygiene
Adequate hand washing facilities; supplied and accessible [ date violation corrected: 8/1/2022 ]
MINOROther
Food Safety Manager Certification and Food Handler Card [ date violation corrected: 8/1/2022 ]
SEP 24
2019
PASSED
0 violations
AUG 27
2019
PASSED
0 violations
AUG 20
2019
PASSED
0 violations
APR 12
2019
PASSED
0 violations
APR 3
2019
PASSED
0 violations
MAR 19
2019
PASS W/ CONDITIONS
4 violations
DETAILS
SERIOUSFood Temperature
Moderate risk food holding temperature
MINORSanitation
Unclean or degraded floors walls or ceilings
MINORSanitation
Unclean nonfood contact surfaces
SERIOUSFood Temperature
Improper thawing methods
APR 2
2018
PASS W/ CONDITIONS
2 violations
DETAILS
MINORSanitation
Unapproved or unmaintained equipment or utensils
SERIOUSOther
Foods not protected from contamination
FEB 17
2017
PASS W/ CONDITIONS
3 violations
DETAILS
MINORSanitation
Unclean or degraded floors walls or ceilings
SERIOUSOther
Foods not protected from contamination
MINORSanitation
Unclean nonfood contact surfaces

Data sourced from SF Dept. of Public Health. We'd love to link you straight to this restaurant's record — turns out San Francisco considers that a luxury. The full dataset is what's on offer →

NEARBY IN TENDERLOIN

UNRATED
FREDS LIQUORS
UNRATED
UNION SQUARE PIZZA & KITCHEN
UNRATED
SUNFLOWER CAFE
UNRATED
WINDSOR TEAROOM
UNRATED
GONG CHA
UNRATED
BLACK SUGAR