Serenethos Care Center, LLC
22822 Myrtle Street · Hayward, CA · 94541 · 5105374844
36 certified beds For profit - Limited Liability company
- No federal fines or payment denials in CMS’s 3-year window.
- Inspection results have improved across recent cycles.
The complete Safety Report — $19
Everything on this page plus the full citation-by-citation history with inspector findings, the complete penalty record, staffing vs benchmarks, side-by-side nearby comparisons, and the printable tour checklist. One PDF, emailed in minutes, yours to keep and share with family.
Red flags
3 immediate-jeopardy citations in prior inspection cycles
Serious past findings — check whether the underlying problems were fixed and stayed fixed.
Score breakdown
Quality-measure stars are deliberately excluded — they're largely self-reported by facilities. Full method.
CMS ratings & staffing
Overall: 5 of 5 Inspections: 5 of 5 Staffing: 3 of 5 Quality measures: 4 of 5
| Total nurse hours / resident-day | 3.94 | 3.48 min · 4.1 strong |
|---|---|---|
| RN hours / resident-day | 0.47 | 0.55–0.75 |
| Weekend hours / resident-day | 3.69 | ≈ weekday level |
| Nursing turnover / year | 45% | median 45% |
| Fines (3-yr window) | none |
Inspection citations (25 in the current record)
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Potential for harm · D June 20, 2025
Ensure each resident receives an accurate assessment.
Corrected July 15, 2025 · Resident Assessment and Care Planning
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Potential for harm · D June 20, 2025
Ensure medication error rates are not 5 percent or greater.
Corrected July 15, 2025 · Pharmacy Service
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Potential for harm · E June 20, 2025
Employ sufficient staff with the appropriate competencies and skills sets to carry out the functions of the food and nutrition service, including a qualified dietician.
Corrected July 15, 2025 · Nutrition and Dietary
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Potential for harm · D May 10, 2024
Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.
Corrected June 6, 2024 · Resident Rights
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Potential for harm · D May 10, 2024
Provide care and assistance to perform activities of daily living for any resident who is unable.
Corrected June 6, 2024 · Quality of Life and Care
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Potential for harm · E May 10, 2024
Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist.
Corrected June 6, 2024 · Pharmacy Service
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Potential for harm · D May 10, 2024
Ensure each resident’s drug regimen must be free from unnecessary drugs.
Corrected June 6, 2024 · Pharmacy Service
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Potential for harm · E May 10, 2024
Ensure medication error rates are not 5 percent or greater.
Corrected June 6, 2024 · Pharmacy Service
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Potential for harm · E May 10, 2024
Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
Corrected June 6, 2024 · Nutrition and Dietary
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Potential for harm · E May 10, 2024
Set up an ongoing quality assessment and assurance group to review quality deficiencies and develop corrective plans of action.
Corrected June 6, 2024 · Administration
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Potential for harm · E May 10, 2024
Provide and implement an infection prevention and control program.
Corrected June 6, 2024 · Infection Control
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Potential for harm · E May 10, 2024
Keep all essential equipment working safely.
Corrected June 6, 2024 · Environmental
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Potential for harm · E May 10, 2024
Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.
Corrected June 6, 2024 · Environmental
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Potential for harm · E May 10, 2024
Make sure there is a pest control program to prevent/deal with mice, insects, or other pests.
Corrected June 6, 2024 · Environmental
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Immediate jeopardy · J December 16, 2022
Ensure that nurses and nurse aides have the appropriate competencies to care for every resident in a way that maximizes each resident's well being.
Corrected February 9, 2023 · Nursing and Physician Services
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Immediate jeopardy · J December 16, 2022
Provide each resident with a nourishing, palatable, well-balanced diet that meets his or her daily nutritional and special dietary needs.
Corrected February 9, 2023 · Nutrition and Dietary
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Immediate jeopardy · L December 16, 2022
Employ sufficient staff with the appropriate competencies and skills sets to carry out the functions of the food and nutrition service, including a qualified dietician.
Corrected February 9, 2023 · Nutrition and Dietary
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Potential for harm · D December 16, 2022
Provide care and assistance to perform activities of daily living for any resident who is unable.
Corrected February 9, 2023 · Quality of Life and Care
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Potential for harm · D December 16, 2022
Provide appropriate care for residents who are continent or incontinent of bowel/bladder, appropriate catheter care, and appropriate care to prevent urinary tract infections.
Corrected February 9, 2023 · Quality of Life and Care
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Potential for harm · F December 16, 2022
Provide sufficient support personnel to safely and effectively carry out the functions of the food and nutrition service.
Corrected February 9, 2023 · Nutrition and Dietary
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Potential for harm · F December 16, 2022
Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
Corrected February 10, 2023 · Nutrition and Dietary
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Potential for harm · F December 16, 2022
Dispose of garbage and refuse properly.
Corrected February 10, 2023 · Nutrition and Dietary
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Potential for harm · F December 16, 2022
Provide and implement an infection prevention and control program.
Corrected February 9, 2023 · Infection Control
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Potential for harm · F December 16, 2022
Keep all essential equipment working safely.
Corrected February 9, 2023 · Environmental
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No harm found · B December 16, 2022
Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.
Corrected February 9, 2023 · Environmental
Family & resident reviews — a separate signal, never mixed into the score
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Source: CMS Care Compare (public domain), data as of June 1, 2026 · CCN 555905 · certified since May 16, 2017. The score is a screen, not a verdict on any one resident's experience — read how it's computed, then visit in person.