OASIS TEA ZONE
501 S GRADY WAY, RENTON, WA 98057 · Restaurant (Seating 0-12)
Inspection summary
OASIS TEA ZONE has been inspected 28 times by Public Health – Seattle & King County since October 22, 2012. The most recent inspection, on April 13, 2026, found no infractions.
18 of 28 inspections on record found no infractions at all. In the past 12 months there were 2 inspections with 0 infractions recorded. The higher-risk findings here relate to: Cleaning and sanitizing, Handwashing and staff hygiene and Food temperature control.
The last 2 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 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.
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 8 times across 7 separate inspections, most recently on May 19, 2025. For example:
3400 - Wiping cloths properly used, stored; sanitizer concentration
Handwashing and staff hygieneHigher risk
Hands are the main way germs like norovirus move from people to food. Inspectors look for stocked, accessible handwashing sinks, staff washing hands when required, hair restraints, and sick employees being kept away from food. Gaps here can spread illness quickly.
Recorded 3 times across 2 separate inspections, most recently on May 28, 2024. For example:
0400 - Hands washed as required
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 3 times across 3 separate inspections, most recently on April 2, 2019. For example:
2110 - Proper cold holding temperatures (greater than 45° F)
Protecting food from contaminationHigher risk
This covers how food is stored, prepared and displayed: raw meat kept away from ready-to-eat food, food covered and stored off the floor, and nothing dripping or splashing into it. Cross-contamination from raw to cooked food is a direct route for salmonella and E. coli.
Recorded once on May 28, 2024. For example:
3300 - Potential food contamination prevented during delivery, preparation, storage, display
Equipment and utensilsLower risk
Equipment has to be built from cleanable materials, kept in good repair and stored properly. These findings are mostly about upkeep, like a cracked shelf, a worn gasket or utensils stored the wrong way. They are generally lower risk but show how well the kitchen is maintained.
Recorded 3 times across 3 separate inspections, most recently on April 25, 2023. For example:
4300 - Nonfood-contact surfaces maintained and clean
About this data
These results come from Public Health – Seattle & King County, 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.
28 inspections
- Routine Inspection/Field Review
0 infractions
- Routine Inspection/Field Review
0 infractions
- Routine Inspection/Field Review
3 infractions
- 3400 - Wiping cloths properly used, stored; sanitizer concentration
- BLUE
- 5000 - Posting of permit; mobile establishment name easily visible
- BLUE
- 1300 - Food contact surfaces cleaned and sanitized; no cross contamination
- RED
- 3400 - Wiping cloths properly used, stored; sanitizer concentration
- Routine Inspection/Field Review
1 infraction
- 3400 - Wiping cloths properly used, stored; sanitizer concentration
- BLUE
- 3400 - Wiping cloths properly used, stored; sanitizer concentration
- Routine Inspection/Field Review
0 infractions
- Routine Inspection/Field Review
4 infractions
- 3400 - Wiping cloths properly used, stored; sanitizer concentration
- BLUE
- 3300 - Potential food contamination prevented during delivery, preparation, storage, display
- BLUE
- 4700 - Garbage, refuse properly disposed; facilities maintained
- BLUE
- 0400 - Hands washed as required
- RED
- 3400 - Wiping cloths properly used, stored; sanitizer concentration
- Routine Inspection/Field Review
1 infraction
- 4200 - Food-contact surfaces maintained, cleaned, sanitized
- BLUE
- 4200 - Food-contact surfaces maintained, cleaned, sanitized
- Routine Inspection/Field Review
1 infraction
- 4300 - Nonfood-contact surfaces maintained and clean
- BLUE
- 4300 - Nonfood-contact surfaces maintained and clean
- Routine Inspection/Field Review
0 infractions
- Routine Inspection/Field Review
1 infraction
- 4200 - Food-contact surfaces maintained, cleaned, sanitized
- BLUE
- 4200 - Food-contact surfaces maintained, cleaned, sanitized
- Routine Inspection/Field Review
0 infractions
- Routine Inspection/Field Review
0 infractions
- Routine Inspection/Field Review
3 infractions
- 4100 - Warewashing facilities properly installed,...
- BLUE
- 4300 - Non-food contact surfaces maintained and clean
- BLUE
- 2110 - Proper cold holding temperatures (greater than 45° F)
- RED
- 4100 - Warewashing facilities properly installed,...
- Consultation/Education - Field
0 infractions
- Routine Inspection/Field Review
1 infraction
- 2110 - Proper cold holding temperatures (greater than 45° F)
- RED
- 2110 - Proper cold holding temperatures (greater than 45° F)
- Routine Inspection/Field Review
0 infractions
- Consultation/Education - Field
0 infractions
- Routine Inspection/Field Review
6 infractions
- 3700 - In-use utensils properly stored
- BLUE
- 3400 - Wiping cloths properly used, stored, proper sanitizer
- BLUE
- 4400 - Plumbing properly sized, installed,...
- BLUE
- 2110 - Proper cold holding temperatures (greater than 45° F)
- RED
- 0200 - Food Worker Cards current for all food workers; new food workers trained
- RED
- 2600 - Compliance with risk control plans, variances, plan of operation; valid permit; appr procedur
- RED
- 3700 - In-use utensils properly stored
- Consultation/Education - Field
0 infractions
- Routine Inspection/Field Review
0 infractions
- Consultation/Education - Field
0 infractions
- Return Inspection
0 infractions
- Consultation/Education - Field
0 infractions
- Routine Inspection/Field Review
2 infractions
- 0400 - Hands washed as required
- RED
- 0600 - Adequate handwashing facilities
- RED
- 0400 - Hands washed as required
- Routine Inspection/Field Review
0 infractions
- Consultation/Education - Field
0 infractions
- Consultation/Education - Field
0 infractions
- Routine Inspection/Field Review
0 infractions
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