Markets / California / Alameda County / St John Kronstadt Convalescent Center

Nursing home · Nursing home (skilled nursing)

Who owns St John Kronstadt Convalescent Center?

4432 James Ave · Castro Valley, CA · 94546

Overview

CMS overall rating5 of 5state average 3.2
Certified beds49
Average residents4387% of beds
Nurse hours per resident day4.22state average 4.52

St John Kronstadt Convalescent Center is a nursing home (skilled nursing) in Castro Valley, California, operated by St John Kronstadt Home For Aged Russian Americans. Alameda County has 17 hospitals, 65 nursing homes and 38 urgent care centers.

Ownership

St John Kronstadt Convalescent Center is operated by St John Kronstadt Home For Aged Russian Americans.

Operator
St John Kronstadt Home For Aged Russian Americans
Owner group
St John Kronstadt Home For Aged Russian Americans
Ownership changed in last 12 months
No
Source

Ownership history

Every dated change of operator and owner for St John Kronstadt Convalescent Center, with the source for each.

Request the history

Full ownership tree of St John Kronstadt Home For Aged Russian Americans

Every entity between this facility and its ultimate owner, with ownership percentages and dates.

See the owner report

Quality and staffing

Overall
5 of 5state average 3.2
Health inspections
4 of 5state average 2.8
Staffing
5 of 5state average 3.3
Quality measures
5 of 5state average 4.1
StaffingThis homeState average
Nurse hours per resident day4.224.52
Registered nurse hours per resident day0.690.67
Nursing staff turnover12.2%36.7%
Registered nurse turnover16.7%–
Administrators who left0–
Fines (3 years)
None
CMS abuse icon
No

Location and market

Address
4432 James Ave · Castro Valley, CA · 94546
County
Alameda County
State
California
Hospitals in the county17
Nursing homes65
Urgent care centers38

Nearby nursing homes

NameCityDistance
East Bay Post-AcuteCastro Valley1.2 mi
Valley Pointe Nursing & Rehabilitation CenterCastro Valley1.3 mi
Canyon Creek Post-AcuteCastro Valley1.4 mi
Baywood Court Health CenterCastro Valley1.5 mi
Sage Post AcuteHayward1.7 mi
Hayward Hills Health Care CenterHayward1.8 mi

Sources and identifiers

  • Operator: CMS nursing home enrollment and owners
  • Ratings, staffing and penalties: CMS Nursing Home Care Compare (2026)
  • Ownership type and beds: CMS Provider of Services file
  • Location: CMS and Census Bureau geography
CMS certification number
555016
NPI
1861484982
Last confirmed
2026-10-27

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