Firehouse Subs
1349 London Rd, Sarnia ON N7S 1P6 · Restaurant
Inspection summary
Firehouse Subs has been inspected 8 times by Lambton Public Health since December 9, 2024. The most recent inspection, on July 16, 2026, recorded 1 infraction.
None of the 8 inspections on record were free of infractions. In the past 12 months there were 4 inspections with 4 infractions recorded. The higher-risk findings here relate to: Food temperature control and Cleaning and sanitizing.
The number of infractions per inspection has stayed roughly the same over time.
What these findings mean
Health authorities word their violations differently, so we group them by what they mean for food safety. Higher-risk findings are the ones inspectors treat as critical, because they can directly make someone sick.
Food temperature controlHigher risk
Bacteria multiply fastest between about 4 °C and 60 °C (40 °F to 140 °F). Inspectors check that cold food stays cold, hot food stays hot, cooked food is cooled quickly, and that staff have accurate thermometers. Temperature problems are one of the most common causes of food poisoning, so these are treated as critical findings.
Recorded 7 times across 7 separate inspections, most recently on January 29, 2026. For example:
Sanitize test kit / thermometer is readily available for verifying dishwashing and sanitizing temperatures.
Cleaning and sanitizingHigher risk
Anything that touches food, such as cutting boards, dishes and utensils, must be washed, rinsed and sanitized. Inspectors check dishwasher temperatures, sanitizer strength and how wiping cloths are stored. Poor sanitizing lets bacteria survive from one use to the next.
Recorded once on July 16, 2026. For example:
Food contact surfaces washed / rinsed / sanitized after each use and following any operations when contamination may have occurred.
About this data
These results come from Lambton Public Health, which inspects food premises and other public facilities in this area. We republish the authority's public disclosure data and refresh it regularly; the official record is the final word.
8 inspections
- Required
1 infraction
- Food contact surfaces washed / rinsed / sanitized after each use and following any operations when contamination may have occurred.
- Fail to use/maintain an approved sanitizing solution at the appropriate concentration on food contact surfaces.
- Food contact surfaces washed / rinsed / sanitized after each use and following any operations when contamination may have occurred.
- Required
1 infraction
- Sanitize test kit / thermometer is readily available for verifying dishwashing and sanitizing temperatures.
- Fail to provide a sanitizing test kit to verify the concentration of the chemical agent being used.
- Sanitize test kit / thermometer is readily available for verifying dishwashing and sanitizing temperatures.
- Required
1 infraction
- Hazardous food products are stored out of the temperature danger zone between 4°C (40°F) and 60°C (140°F) (except during periods of food preparation).
- Fail to ensure that hazardous foods are kept out of the temperature danger zone (internal temperature of hazardous foods observed to be between 4°C (40°F) and 60°C (140°F)).
- Hazardous food products are stored out of the temperature danger zone between 4°C (40°F) and 60°C (140°F) (except during periods of food preparation).
- Required
1 infraction
- Hazardous food is hot held at a minimum temperature of 60°C (140°F) after cooking or rapid re-heating.
- Fail to hot-hold hazardous foods at 60°C (140°F) or higher after cooking or rapid re-heating.
- Hazardous food is hot held at a minimum temperature of 60°C (140°F) after cooking or rapid re-heating.
- Follow-up
1 infraction
- Hazardous food products are stored out of the temperature danger zone between 4°C (40°F) and 60°C (140°F) (except during periods of food preparation).
- Fail to ensure that hazardous foods are kept out of the temperature danger zone (internal temperature of hazardous foods observed to be between 4°C (40°F) and 60°C (140°F)).
- Hazardous food products are stored out of the temperature danger zone between 4°C (40°F) and 60°C (140°F) (except during periods of food preparation).
- Follow-up
1 infraction
- Hazardous food is hot held at a minimum temperature of 60°C (140°F) after cooking or rapid re-heating.
- Fail to hot-hold hazardous foods at 60°C (140°F) or higher after cooking or rapid re-heating.
- Hazardous food is hot held at a minimum temperature of 60°C (140°F) after cooking or rapid re-heating.
- Required
1 infraction
- Re-heat hazardous food to its original cooking temperature within 2 hours.
- Fail to ensure that hot holding units (i.e. steam tables, crock pots, heat lamps) are not used to re-heat food.
- Re-heat hazardous food to its original cooking temperature within 2 hours.
- Required
1 infraction
- Hazardous food products are stored out of the temperature danger zone between 4°C (40°F) and 60°C (140°F) (except during periods of food preparation).
- Fail to ensure that hazardous foods are kept out of the temperature danger zone (internal temperature of hazardous foods observed to be between 4°C (40°F) and 60°C (140°F)).
- Hazardous food products are stored out of the temperature danger zone between 4°C (40°F) and 60°C (140°F) (except during periods of food preparation).
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