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St John Kronstadt Conv Center

Nursing Home Facility

4432 James Avenue, Castro Valley, CA 94546

Nursing Home Care Senior Living
St John Kronstadt Conv Center

St John Kronstadt Conv Center is a senior care community located in Castro Valley, CA. It provides nursing home care and senior living for older adults in the Castro Valley area. To learn more or schedule a tour, call (510) 889-7000.

With 49 beds, St John Kronstadt Conv Center is one of the larger communities in the area, senior care communities in Castro Valley average about 23 beds. Larger communities more often keep clinical staff on site around the clock and can offer a wider range of on-site therapy and activities, though some families prefer the quieter feel of a smaller setting.

Federal reporting puts occupancy at about 87% of its licensed beds.

Medicare rates this community 5 out of 5 stars overall, a score based on health inspections, staffing levels and quality measures. Communities in Castro Valley average about 4.2 stars. Its most recent standard health inspection was in November 2025 and recorded 11 deficiencies.

Residents receive about 4.2 hours of nursing care per day on average, including 0.7 hours from a registered nurse. Nursing staff turnover over the past year was about 12%.

The community is located in Alameda County, CA.

Medicare five-star ratings

  • Overall ★★★★★ 5/5
  • Health inspections ★★★★★ 4/5
  • Staffing ★★★★★ 5/5
  • Quality measures ★★★★★ 5/5

Source: Centers for Medicare & Medicaid Services (CMS) Care Compare. Ratings apply to Medicare/Medicaid-certified nursing homes and are updated by CMS monthly.

Inspection record

In its last three standard inspections and any complaint visits, federal inspectors cited 33 problems at St John Kronstadt Conv Center. 1 finding involved harm to a resident, including 1 that put residents in immediate danger. 2 came from investigating complaints by residents or families.

Findings from the most recent inspection cycle

  • Could cause more than minimal harm, a pattern Pharmacy Service

    Ensure a licensed pharmacist perform a monthly drug regimen review, including the medical chart, following irregularity reporting guidelines in developed policies and procedures.

    Inspected November 2025. Corrected by December 21, 2025.

  • Could cause more than minimal harm, a pattern Pharmacy Service

    Ensure drugs and biologicals used in the facility are labeled in accordance with currently accepted professional principles; and all drugs and biologicals must be stored in locked compartments, separately locked, compartments for controlled drugs.

    Inspected November 2025. Corrected by December 21, 2025.

  • Could cause more than minimal harm, a pattern Nutrition and Dietary

    Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.

    Inspected November 2025. Corrected by December 21, 2025.

  • Could cause more than minimal harm, one or a few residents Resident Assessment and Care Planning

    Coordinate assessments with the pre-admission screening and resident review program; and referring for services as needed.

    Inspected November 2025. Corrected by December 21, 2025.

  • Could cause more than minimal harm, one or a few residents Resident Assessment and Care Planning

    Develop and implement a complete care plan that meets all the resident's needs, with timetables and actions that can be measured.

    Inspected November 2025. Corrected by December 21, 2025.

  • Could cause more than minimal harm, one or a few residents Resident Assessment and Care Planning

    Ensure services provided by the nursing facility meet professional standards of quality.

    Inspected November 2025. Corrected by December 21, 2025.

  • Could cause more than minimal harm, one or a few residents Quality of Life and Care

    Provide care and assistance to perform activities of daily living for any resident who is unable.

    Inspected November 2025. Corrected by December 21, 2025.

  • Could cause more than minimal harm, one or a few residents Nursing and Physician Services

    Post nurse staffing information every day.

    Inspected November 2025. Corrected by December 21, 2025.

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  • Could cause more than minimal harm, one or a few residents Infection Control

    Provide and implement an infection prevention and control program.

    Inspected November 2025. Corrected by December 21, 2025.

  • Could cause more than minimal harm, one or a few residents Infection Control

    Develop and implement policies and procedures for flu and pneumonia vaccinations.

    Inspected November 2025. Corrected by December 21, 2025.

  • Minimal harm or the potential for it, a pattern Environmental

    Provide rooms that are at least 80 square feet per resident in multiple rooms and 100 square feet for single resident rooms.

    Inspected November 2025. Corrected by December 21, 2025.

A citation on its own does not mean poor care, and most are corrected within weeks. What matters most is how serious the findings were and whether the same problems keep coming back. When you visit, it is fair to ask the administrator what inspectors found and what has changed since.

Source: Centers for Medicare & Medicaid Services, Health Deficiencies and Penalties files, updated monthly. See the full record on Medicare Care Compare.

St John Kronstadt Conv Center offers nursing home care and senior living.

Facility details

  • Organization type Non profit - Church related
  • Beds / units 49
  • Religious affiliation Catholic
  • Occupancy 87%
  • Nursing hours per resident/day 4.2
  • Annual staff turnover 12%
  • Last health inspection November 2025

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