Nursing home · Castro Valley, CA
St John Kronstadt Convalescent Center
4432 James Avenue, Castro Valley, CA 94546 · (510) 889-7000
St John Kronstadt Convalescent Center is a 49-bed nonprofit nursing home in Castro Valley, California (Alameda County). It has been certified to provide Medicare and Medicaid services since 1976. On average it cares for 41 residents a day (about 84% of its certified beds). CMS gives it an overall rating of 5 out of 5 stars; the average in California is 3.2.
Ratings
| CMS rating | Stars |
|---|---|
| Overall | ★★★★★ |
| Health inspections | ★★★★★ |
| Staffing | ★★★★★ |
| Quality measures | ★★★★★ |
Staffing
| Staffing | This home | California avg | US avg |
|---|---|---|---|
| Total nurse hours per resident per day | 4.45 | 4.54 | 3.90 |
| Registered nurse (RN) hours per resident per day | 0.53 | 0.68 | 0.69 |
| Nurse hours per resident per day, weekends | 3.98 | – | – |
| Nursing staff turnover | 14% | 37% | 45% |
| RN turnover | 29% | – | – |
| Administrators who left | 0 | – | – |
Inspections and penalties
| Inspections & penalties | This home |
|---|---|
| Most recent standard health inspection | November 21, 2025 |
| Health deficiencies cited (most recent cycle) | 11 below the state average of 16 |
| …of which from complaint inspections | 0 |
| Federal fines (as reported by CMS) | 0 |
| Medicare payment denials | 0 |
Source: CMS Provider Data Catalog, nursing home provider information, Oct 2026 release (CMS Provider Data Catalog: Nursing homes). Ownership: Non profit - Corporation. Legal business name: St John Kronstadt Home for Aged Russian Americans. Check the latest details and full inspection reports on Medicare Care Compare. How to read these ratings →
Nearby nursing homes
- Valley Pointe Nursing & Rehabilitation Center ★★★★★Castro Valley · 1.3 mi · 50 beds
- East Bay Post-Acute ★★★★★Castro Valley · 1.3 mi · 91 beds
- Canyon Creek Post-Acute ★★★★★Castro Valley · 1.4 mi · 70 beds
- Baywood Court Health Center ★★★★★Castro Valley · 1.6 mi · 56 beds
- Sage Post Acute ★★★★★Hayward · 1.7 mi · 99 beds
- Hayward Hills Health Care Center ★★★★★Hayward · 1.8 mi · 74 beds
Assisted living nearby
- California Mentor - Malabar HomeCastro Valley · 0.2 mi · 4 residents
- Welcome Home - Castro ValleyCastro Valley · 0.5 mi · 10 residents
- Carefield Castro ValleyCastro Valley · 0.6 mi · 116 residents
- Castro Village Care HomeCastro Valley · 0.6 mi · 6 residents
Common questions
What is the star rating of St John Kronstadt Convalescent Center?
CMS rates St John Kronstadt Convalescent Center 5 out of 5 stars overall, with 4 stars for health inspections, 5 for staffing and 5 for quality measures (Medicare Care Compare).
How many beds does St John Kronstadt Convalescent Center have?
49 certified beds, with an average of 41 residents a day.
Does St John Kronstadt Convalescent Center accept Medicare and Medicaid?
CMS lists it as certified for Medicare and Medicaid. Ask the nursing home about current availability for your coverage.
What is the phone number for St John Kronstadt Convalescent Center?
(510) 889-7000. Address: 4432 James Avenue, Castro Valley, CA 94546.
Before you choose
- Visit at different times, including evenings and weekends.
- Ask how many residents each nurse and aide cares for on each shift.
- Read the latest inspection report and ask what has been fixed.
- Ask whether a bed is available for your coverage (Medicare, Medicaid or private pay).