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HomeCaliforniaSt John Kronstadt Convalescent Center

St John Kronstadt Convalescent Center

4432 James Avenue, Castro Valley, CA 945465108897000WebsiteGoogle Maps
4.5on Google(33 reviews)
5/5Much Above Average
Accepts Medicare Accepts Medicaid Sprinkler System

CMS data snapshot: July 2026

Health
4/5
Staffing
5/5
Quality
5/5
Beds
49
certified

How St John Kronstadt Convalescent Center Compares in California

Facility results compared with averages for CMS-certified nursing homes in California. Ratings, staffing and turnover measure different parts of care and should be reviewed together.

CMS overall rating
5/5
CA average
3.2/5
Above state average
Health inspection rating
4/5
CA average
2.8/5
Above state average
Staffing rating
5/5
CA average
3.3/5
Above state average
Nursing hours per resident
4.22 hrs/day
CA average
4.52 hrs/day
Below state average
RN hours per resident
0.69 hrs/day
CA average
0.67 hrs/day
Close to state average
Staff turnover
12.2%
CA average
36.7%
Lower than state average

Comparisons use the matching CMS state averages without a proprietary combined score. Review the comparison methodology.

What the Data Highlights

Its 5/5 overall CMS rating is above the California average of 3.2/5.
Its 4/5 health inspection rating is above the California average of 2.8/5.
Reported nursing time is 4.22 hours per resident per day, below the state average of 4.52.
Staff turnover is 12.2%, lower than the California average of 36.7%.

Health Inspection Trend

A side-by-side view of the two CMS inspection cycles included in the current dataset.

Previous cycle
7
deficiency citations
Inspected Jun 7, 2024
Most recent cycle
11
deficiency citations
Inspected Nov 21, 2025
The most recent cycle recorded 4 more deficiency citations than the previous cycle.

Citation counts alone do not show severity. Review the inspection details below for scope, severity and correction status.

Cost & Demographics

Semi-Private Room
$11,476/mo
California median
Private Room
$13,870/mo
California median
Alameda County 65+
243,239
14.6% of county
County Population
1,663,823
Alameda County

Cost data: Genworth/CareScout Cost of Care Survey (2024). Demographics: U.S. Census Bureau ACS (2022).

Swipe tabs for staffing, quality and ownership.

St John Kronstadt Convalescent Center is a 5-star Medicare and Medicaid certified nursing home in Castro Valley, California with 49 certified beds. It has been operating since 1976. Its overall CMS rating is 5 out of 5.

Beds
49
Avg Residents/Day
42.6
Ownership
Non profit - Corporation
Provider Type
Medicare and Medicaid
In Hospital
No
First Approved
May 14, 1976
Sprinklers
Yes
Council
Both
County
Alameda
Last Inspection
Nov 21, 2025
Deficiencies (Cycle 1)
11
Weighted Score
48.0
Infection Citations
0

Deficiency Citations (33)

F0756Potential for Harm

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

Survey: Nov 21, 2025Corrected: NoCycle: 1
F0761Potential for Harm

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.

Survey: Nov 21, 2025Corrected: NoCycle: 1
F0812Potential for Harm

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

Survey: Nov 21, 2025Corrected: NoCycle: 1
F0644Potential for Harm

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

Survey: Nov 21, 2025Corrected: NoCycle: 1
F0656Potential for Harm

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

Survey: Nov 21, 2025Corrected: NoCycle: 1
F0658Potential for Harm

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

Survey: Nov 21, 2025Corrected: NoCycle: 1
F0677Potential for Harm

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

Survey: Nov 21, 2025Corrected: NoCycle: 1
F0732Potential for Harm

Post nurse staffing information every day.

Survey: Nov 21, 2025Corrected: NoCycle: 1
F0880Potential for Harm

Provide and implement an infection prevention and control program.

Survey: Nov 21, 2025Corrected: NoCycle: 1
F0883Potential for Harm

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

Survey: Nov 21, 2025Corrected: NoCycle: 1
F0912Minimal Harm

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

Survey: Nov 21, 2025Corrected: NoCycle: 1
F0609Potential for Harm

Timely report suspected abuse, neglect, or theft and report the results of the investigation to proper authorities.

Survey: Apr 16, 2025Corrected: NoCycle: 2
F0689Potential for Harm

Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents.

Survey: Dec 10, 2024Corrected: NoCycle: 2
F0550Potential for Harm

Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.

Survey: Jun 7, 2024Corrected: NoCycle: 2
F0677Potential for Harm

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

Survey: Jun 7, 2024Corrected: NoCycle: 2
F0761Potential for Harm

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.

Survey: Jun 7, 2024Corrected: NoCycle: 2
F0755Potential for Harm

Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist.

Survey: Jun 7, 2024Corrected: NoCycle: 2
F0912Minimal Harm

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

Survey: Jun 7, 2024Corrected: NoCycle: 2
F0801Immediate Jeopardy

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.

Survey: Feb 17, 2023Corrected: NoCycle: 3
F0803Potential for Harm

Ensure menus must meet the nutritional needs of residents, be prepared in advance, be followed, be updated, be reviewed by dietician, and meet the needs of the resident.

Survey: Feb 17, 2023Corrected: NoCycle: 3
F0804Potential for Harm

Ensure food and drink is palatable, attractive, and at a safe and appetizing temperature.

Survey: Feb 17, 2023Corrected: NoCycle: 3
F0812Potential for Harm

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

Survey: Feb 17, 2023Corrected: NoCycle: 3
F0880Potential for Harm

Provide and implement an infection prevention and control program.

Survey: Feb 17, 2023Corrected: NoCycle: 3
F0882Potential for Harm

Designate a qualified infection preventionist to be responsible for the infection prevent and control program in the nursing home.

Survey: Feb 17, 2023Corrected: NoCycle: 3
F0908Potential for Harm

Keep all essential equipment working safely.

Survey: Feb 17, 2023Corrected: NoCycle: 3
F0550Potential for Harm

Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.

Survey: Feb 17, 2023Corrected: NoCycle: 3
F0558Potential for Harm

Reasonably accommodate the needs and preferences of each resident.

Survey: Feb 17, 2023Corrected: NoCycle: 3
F0730Potential for Harm

Observe each nurse aide's job performance and give regular training.

Survey: Feb 17, 2023Corrected: NoCycle: 3
F0759Potential for Harm

Ensure medication error rates are not 5 percent or greater.

Survey: Feb 17, 2023Corrected: NoCycle: 3
F0760Potential for Harm

Ensure that residents are free from significant medication errors.

Survey: Feb 17, 2023Corrected: NoCycle: 3

+ 3 more deficiencies

Total Fines
$0
Number of Fines
0
Payment Denials
0
Total Penalties
0

No penalties on record.

Staffing hours per resident per day. The black line shows the national average.

Nurse Aide2.67 hrs
National avg: 2.32 hrs
LPN0.86 hrs
National avg: 0.86 hrs
RN0.69 hrs
National avg: 0.69 hrs
Total Nursing4.22 hrs
National avg: 3.86 hrs
Weekend Total3.71 hrs
National avg: 0.00 hrs
Physical Therapist0.10 hrs
National avg: 0.07 hrs
Total Turnover
12.2%
RN Turnover
16.7%
Administrators Left
0

Quality measures as percentages of residents. Lower is better for all measures.

Ownership Type
Non profit - Corporation
Recent Change
No

Owners & Managers (16)

NameRoleTypeOwnership %Since
ST JOHN KRONSTADT HOME FOR AGED RUSSIAN AMERICANS5% OR GREATER DIRECT OWNERSHIP INTERESTOrganization100%Oct 15, 1971
KOLOBOFF, CONSTANTINECORPORATE DIRECTORIndividualN/AJan 1, 2007
LOUKIANOFF, ALEXANDERCORPORATE DIRECTORIndividualN/AJan 1, 2007
MAXIMOW, ANDREWCORPORATE DIRECTORIndividualN/AJan 1, 2010
PAVLENKO, STEFANCORPORATE DIRECTORIndividualN/ANov 22, 2004
KOLOBOFF, CONSTANTINECORPORATE OFFICERIndividualN/AJan 1, 2007
PAVLENKO, STEFANCORPORATE OFFICERIndividualN/AJan 1, 2000
SERENITY 4 MANAGEMENT SERVICES LLCOPERATIONAL/MANAGERIAL CONTROLOrganizationN/AJan 1, 2024
DANBY, CRAIGOPERATIONAL/MANAGERIAL CONTROLIndividualN/AApr 1, 2014
GARCIA, FABIOLAOPERATIONAL/MANAGERIAL CONTROLIndividualN/AJan 25, 2023
GONZALEZ, EDWARDOPERATIONAL/MANAGERIAL CONTROLIndividualN/AJan 1, 2014
GRIMES, JEREMYOPERATIONAL/MANAGERIAL CONTROLIndividualN/AJan 1, 2014
SERENITY 4 MANAGEMENT SERVICES LLCADP OF THE SNFOrganizationN/AJan 1, 2024
GARCIA, FABIOLAADP OF THE SNFIndividualN/AJan 25, 2023
GRIMES, JEREMYADP OF THE SNFIndividualN/AJan 1, 2011
HUYNH, UYEN-CHIADP OF THE SNFIndividualN/AJan 1, 2024

Compare Nearby Nursing Homes

Compare CMS ratings and recorded fines for St John Kronstadt Convalescent Center and nearby alternatives.

All California facilities
St John Kronstadt Convalescent Center
Castro Valley, CACurrent facility
CMS
5/5
Health
4/5
Staffing
5/5
Recorded fines: None
Valley Pointe Nursing & Rehabilitation Center
Castro Valley, CA1.3 mi
CMS
5/5
Health
4/5
Staffing
2/5
Recorded fines: $10,033
East Bay Post-Acute
Castro Valley, CA1.3 mi
CMS
2/5
Health
1/5
Staffing
3/5
Recorded fines: None
Canyon Creek Post-Acute
Castro Valley, CA1.4 mi
CMS
4/5
Health
4/5
Staffing
4/5
Recorded fines: None
Baywood Court Health Center
Castro Valley, CA1.6 mi
CMS
5/5
Health
5/5
Staffing
5/5
Recorded fines: None
Sage Post Acute
Hayward, CA1.7 mi
CMS
3/5
Health
3/5
Staffing
2/5
Recorded fines: $4,938
Hayward Hills Health Care Center
Hayward, CA1.8 mi
CMS
3/5
Health
3/5
Staffing
4/5
Recorded fines: None
FacilityDistanceCMSHealthStaffingRecorded fines
St John Kronstadt Convalescent Center
Castro Valley, CA · Current facility
—5/54/55/5None recorded
Valley Pointe Nursing & Rehabilitation Center
Castro Valley, CA
1.3 mi5/54/52/5$10,033
East Bay Post-Acute
Castro Valley, CA
1.3 mi2/51/53/5None recorded
Canyon Creek Post-Acute
Castro Valley, CA
1.4 mi4/54/54/5None recorded
Baywood Court Health Center
Castro Valley, CA
1.6 mi5/55/55/5None recorded
Sage Post Acute
Hayward, CA
1.7 mi3/53/52/5$4,938
Hayward Hills Health Care Center
Hayward, CA
1.8 mi3/53/54/5None recorded

Distance is approximate. Ratings and enforcement data use the current CMS snapshot; recorded fines are not a complete measure of care quality. How nearby facilities are selected.

Frequently Asked Questions

What is the CMS rating for St John Kronstadt Convalescent Center?▾
St John Kronstadt Convalescent Center has an overall CMS rating of 5 out of 5 stars, with a health inspection rating of 4/5, staffing rating of 5/5, and quality measures rating of 5/5. This facility is rated above average.
How much does St John Kronstadt Convalescent Center cost per month?▾
While individual facility pricing is not publicly available, the median nursing home cost in California is $11,476/month for a semi-private room and $13,870/month for a private room (Genworth/CareScout 2024). St John Kronstadt Convalescent Center participates in Medicare and Medicaid, which may cover some or all costs depending on eligibility.
Has St John Kronstadt Convalescent Center had any health inspection violations?▾
St John Kronstadt Convalescent Center had 11 deficiency citations in its most recent health inspection (Nov 21, 2025). The current CMS dataset records no fines for this facility.
What are the staffing levels at St John Kronstadt Convalescent Center?▾
St John Kronstadt Convalescent Center provides 4.22 total nursing staff hours per resident per day, including 0.69 RN hours, 0.86 LPN hours, and 2.67 nurse aide hours. The total staff turnover rate is 12.2%.
How many beds does St John Kronstadt Convalescent Center have?▾
St John Kronstadt Convalescent Center has 49 certified beds with an average of 42.6 residents per day, resulting in approximately 87% occupancy. The facility is Non profit - Corporation owned.
Are there other nursing homes near St John Kronstadt Convalescent Center?▾
Yes. This page lists 6 nearby nursing homes in California, including 4 in Castro Valley. Compare their CMS ratings, staffing, inspections and fines before choosing a facility.
What do patients and families say about St John Kronstadt Convalescent Center?▾
On Google Maps, St John Kronstadt Convalescent Center has a rating of 4.5 out of 5 based on 33 reviews. This is an independent rating from visitors and families, separate from the official CMS government rating of 5/5.