Residence Inn by Marriott
55 Minthorn Boulevard, Markham, Thornhill, ON L3T 7Y9 · Class B
Inspection summary
Residence Inn by Marriott has been inspected 8 times by York Region Public Health since January 20, 2025. The most recent inspection, on July 31, 2026, found no infractions.
6 of 8 inspections on record found no infractions at all. In the past 12 months there were 3 inspections with 0 infractions recorded. The higher-risk findings here relate to: Pool and spa water quality.
The last 5 inspections in a row found no infractions. The number of infractions per inspection has stayed roughly the same over time.
What these findings mean
Health authorities word their findings differently, so we group them by what they mean for the people using the facility. Higher-risk findings are the ones that could directly cause illness or injury, such as water that is not properly treated.
Pool and spa water qualityHigher risk
For pools, spas and splash pads, inspectors test disinfectant levels, pH and water clarity, and check safety equipment. Water that is not properly treated can spread skin, ear and stomach infections.
Recorded once on July 24, 2025. For example:
pH is within required range
Permits, records and postingLower risk
Operating permits, water-test logs, posted bather rules and emergency procedures. Daily test logs are how operators show the water was checked and treated between inspections.
Recorded once on January 20, 2025. For example:
Emergency and operational procedures are implemented where required
About this data
These results come from York Region 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
- Compliance Inspection
0 infractions
- Compliance Inspection
0 infractions
- Compliance Inspection
0 infractions
- Compliance Inspection
0 infractions
- Compliance Inspection
0 infractions
- Compliance Inspection
1 infraction
- pH is within required range
- Fail to maintain pH within range of 7.2 to 7.8
- pH is within required range
- Compliance Inspection
0 infractions
- Compliance Inspection
1 infraction
- Emergency and operational procedures are implemented where required
- Fail to ensure written operational procedures are implemented at public pool
- Emergency and operational procedures are implemented where required
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