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Department of
SOCIAL SERVICES

Community Care Licensing


COMPLAINT INVESTIGATION REPORT

Facility Number: 384004643
Report Date: 11/17/2025
Date Signed: 11/17/2025 10:33:40 AM

Unsubstantiated


STATE OF CALIFORNIA - HEALTH AND HUMAN SERVICES AGENCY

COMPLAINT INVESTIGATION REPORT		CALIFORNIA DEPARTMENT OF SOCIAL SERVICES
COMMUNITY CARE LICENSING DIVISION
SAN BRUNO CC RO, 851 TRAEGER AVE., SUITE 360
SAN BRUNO, CA 94066
This is an official report of an unannounced visit/investigation of a complaint received in our office on
08/19/2025 and conducted by Evaluator Jovanna Badger
COMPLAINT CONTROL NUMBER: 05-CC-20250819121107
FACILITY NAME:POTRERO HILL MONTESSORI SCHOOLFACILITY NUMBER:
384004643
ADMINISTRATOR:YANG, LIUFACILITY TYPE:
850
ADDRESS:1701 17TH STREETTELEPHONE:
(650) 476-3015
CITY:SAN FRANCISCOSTATE: CAZIP CODE:
94103
CAPACITY:54CENSUS: 20DATE:
11/17/2025
UNANNOUNCEDTIME BEGAN:
09:15 AM
MET WITH:Liu Yang (Jessica). TIME COMPLETED:
10:45 AM
ALLEGATION(S):
1
2
3
4
5
6
7
8
9
Staff yelled at children
Staff pushed children
INVESTIGATION FINDINGS:
1
2
3
4
5
6
7
8
9
10
11
12
13
On 11/17/2025, Licensing Program Analysts (LPAs) J. Badger and H. Leong, conducted an unannounced complaint investigation visit at the facility named above. LPAs met with the facility director, Liu Yang (Jessica), and explained the purpose of the visit. Present during the visit were 20 children in care with 7 teachers.

Related documents were reviewed, and interviews were conducted with staff. Based on the interviews and relevant documents, there is no sufficient evidence to prove that the two allegations listed above took place, therefore, the allegations are Unsubstantiated.

Although the allegation may have happened or is valid, there is no preponderance of evidence to prove the alleged violation did or did not occur.

Appeal rights were given to the director, Liu Yang (Jessica).
Notice of Site Visit was given and shall remain posted for 30 days.
Exit interview conducted and report was reviewed with the director, Liu Yang (Jessica).
Unsubstantiated
Estimated Days of Completion:
SUPERVISORS NAME: Daniel J Oquendo
LICENSING EVALUATOR NAME: Jovanna Badger
LICENSING EVALUATOR SIGNATURE:

DATE: 11/17/2025
I acknowledge receipt of this form and understand my licensing appeal rights as explained and received.
FACILITY REPRESENTATIVE SIGNATURE:

DATE: 11/17/2025
This report must be available at Child Care and Group Home facilities for public review for 3 years.
LIC9099 (FAS) - (06/04)
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