Daycare RecordChild care inspection records

Potrero Hill Montessori School · Preschool, San Francisco

1701 17th Street, San Francisco, CA 94103 · San Francisco County
4 Type A citations in last 12 months3 substantiated complaintsChild care center (preschool)

Potrero Hill Montessori School is a licensed child care center in San Francisco, CA, licensed for up to 54 children and serving preschool-age children. It has held its California license since 2023. Since February 2021, state licensing staff have inspected it 3 times and investigated 9 complaints, 3 of them substantiated. The state issued 10 citations, 4 of them Type A (the most serious), most often for training & qualifications (2 of 10). 5 citations came in the last 12 months, including 4 Type A. Measured by weighted citations per inspection, it is tied for #342 of 344 centers in San Francisco and has more citations per inspection than 96% of California licensed centers.

Inspection record

More citations than 96%of 10,948 California licensed centers, per inspection, weighted by severity. Among the most cited
Tied for #342 of 344 centers in San Francisco
4Type A citations
6Type B citations
3Inspections
3 of 9Complaints substantiated
10 citations from 16 state visits since Feb 8, 2021 · 5 in the last 12 months · last inspected Mar 25, 2026

Every state visit

20222023202420252026INSPECTIONS (top) · REPORTS & INVESTIGATIONS (bottom)Mar 25, 2026 · Report/investigation · citation foundMar 25, 2026 · Report/investigation · citation foundMar 25, 2026 · Inspection · no citationNov 17, 2025 · Report/investigation · no citationNov 17, 2025 · Report/investigation · citation foundOct 3, 2025 · Report/investigation · citation foundAug 20, 2025 · Report/investigation · citation foundMar 25, 2025 · Report/investigation · no citationMar 25, 2025 · Report/investigation · citation foundMar 20, 2025 · Inspection · no citationJul 26, 2024 · Report/investigation · no citationJul 26, 2024 · Report/investigation · citation foundJun 5, 2024 · Report/investigation · citation foundJun 5, 2024 · Report/investigation · citation foundMar 25, 2024 · Inspection · no citationJan 17, 2023 · Report/investigation · no citation
Citation issuedNo citationTop row: inspections · bottom row: complaint investigations and other visits

What inspectors cited most

Training & qualifications2
Background checks2
Supervision1
Records & paperwork1
Building & playground safety1
Caregiver conduct1
Other standards1
Staff ratios1

Citations, newest first

Type AMar 25, 2026Complaint investigationSupervision
Care and supervision §101229(a)(1)
Based on interview and records review, the licensee and/or the facility representative did not comply with the section cited above, which poses an immediate health and safety risks to the persons in care.
Plan of correction due Mar 26, 2026
Type AMar 25, 2026Complaint investigationRecords & paperwork
Reporting requirements §101212(d)
Based on the observation, interview and records review, the facility did not comply with the section cited above that not reporting the unusual incident to the Licensing Office, which poses /posed immediate health, safety , or personal rights risk to the persons in care.
Plan of correction due Mar 25, 2026
Type BNov 17, 2025Complaint investigationBuilding & playground safety
Buildings and grounds §101238(a)(1)
101238(a) The child care center shall be clean, safe, sanitary and in good repair ... (1) The licensee shall take measures to keep the center free of flies, other insects, and rodents. 1 The licensee has submitted evidence of an ongoing exterminator contract and service report. As of today the deficiency will be cleared. WD
Plan of correction due Nov 17, 2025
Type AOct 3, 2025Case management visit (deficiencies)Training & qualifications
Director qualifications and duties §101215.1(d)
The child care center director, or the substitute director... This requirement is not met as evidence by 1 The facility director will conduct a training with the head teacher of the toddler class to ensure they are trained on their duties as a acting back up director in her absense. Based on observation, the licensee did not comply with the section cited above. LPA observed the director and the assistant director were not present at the faciilty when LPA arrived... 8 The facility director will submit proof of training for being a back up administrator in the director's absence, and a statement of correction to prevent future occurances. The director shall send the POC no later than 10/17/2025.
Plan of correction due Oct 3, 2025
Type AOct 3, 2025Case management visit (deficiencies)Background checks
Criminal record clearance §101170(e)(1)
(e) All individuals subject to a criminal record review pursuant to Health and Safety Based on observation and records review, the Director of the facility did not comply with the section cited above. All adults shall prior to working, residing or volunteering in a licensed facility: shall obtain Criminal Record Clearance before providing care to the children, which posed a potential health, safety, or personal rights risk to persons in care. 1 Based on observation and records review, the Director of the facility did not comply with the section cited above that the adult in the infant class did not obtain the criminal record clearance before providing care to the children, which posed a potential health, safety, or personal rights risk to persons in care. Based on observation and records review, the Director of the facility did not comply with the section cited above that the adult in the infant class did not obtain the criminal record clearance before providing care to the children, which posed a potential health, safety, or personal rights risk to persons in care. 8
Plan of correction due Oct 3, 2025
Type BAug 20, 2025Case management visit (deficiencies)Training & qualifications
Director qualifications and duties §101215.1(d)
The child care center director, or the substitute director... This requirement is not met as evidence by 1 The facility director will ask the head teacher of the infant class to act as a back up director in her absense. Based on observation, the licensee did not comply with the section cited above. LPAs observed the director and the assistant director were not present at the faciilty when LPAs arrived... 8 The facility director will submit form LIC 308 and a statement of correction to prevent future occurances.
Plan of correction due Aug 27, 2025
Type BMar 25, 2025Case management visit (deficiencies)Background checks
Criminal record clearance §101170(e)(2)
Based on observation and records review, the Director of the facility did not comply with the section cited above that the ex-staff was only cleared work in the infant class (Facility License # 384004644), but did not obtain the criminal record clearance at the toddler class (Facility License# 384004643) before providing care to the children, which posed a potential health, safety, or personal rights risk to persons in care.
Plan of correction due Mar 26, 2025
Type BJul 26, 2024Complaint investigationCaregiver conduct
Personal rights §101223(a)(2)
Based on observation and interviews, the facility did not comply with the section cited above for not provide adequate the supervision to the child in are resulting in injury, which pose a potential health, safety, or personal rights risk to persons in care.
Plan of correction due Aug 29, 2024
Type BJun 5, 2024Complaint investigationOther standards
Infant Care Personal Services §101428(b)
Based on interviews and available informattion, the facility did not comply with the section cited above that the facility left the child in care in soiled clothing, which poses / posed a potential health, safety, or personal rights risk to persons in care.
Plan of correction due Jun 19, 2024
Type BJun 5, 2024Complaint investigationStaff ratios
Teacher-child ratio §101216.3(a)
Based on observation, interviews and record review, the facility did not comply with the waiver requirements issued by the Department. Sometimes, the facility operates out of ratio at the park, which posed a potential health, safety, or personal rights risk to persons in care.
Plan of correction due Jun 19, 2024

Complaint investigations

SubstantiatedMar 25, 2026Complaint investigationreceived Mar 23, 2026
Substantiated allegation:
Staff neglect resulted in a child becoming separated from the group during an outing and left without supervision
1 citation issued during this investigation, listed under Citations.
SubstantiatedMar 25, 2026Complaint investigationreceived Mar 24, 2026
Substantiated allegation:
Staff have inadequate record keeping for the daycare children
1 citation issued during this investigation, listed under Citations.
Not substantiatedNov 17, 2025Complaint investigationreceived Aug 19, 2025
The state did not substantiate this complaint, so its allegations are not shown.
Not substantiatedNov 17, 2025Complaint investigationreceived Oct 2, 2025
The state did not substantiate this complaint, so its allegations are not shown.
1 citation issued during this investigation, listed under Citations.
Not substantiatedMar 25, 2025Complaint investigationreceived May 2, 2024
The state did not substantiate this complaint, so its allegations are not shown.
Not substantiatedJul 26, 2024Complaint investigationreceived May 17, 2024
The state did not substantiate this complaint, so its allegations are not shown.
SubstantiatedJul 26, 2024Complaint investigationreceived May 29, 2024
Substantiated allegations:
Staff did not provide adequate supervision to day care children resulting in injury.
Staff leaves day care children in soiled for extended period of time.
1 citation issued during this investigation, listed under Citations.
Not substantiatedJun 5, 2024Complaint investigationreceived May 3, 2024
The state did not substantiate this complaint, so its allegations are not shown.
1 citation issued during this investigation, listed under Citations.
Not substantiatedJun 5, 2024Complaint investigationreceived May 10, 2024
The state did not substantiate this complaint, so its allegations are not shown.
1 citation issued during this investigation, listed under Citations.

How often are complaints about daycares in San Francisco County substantiated? See the county-by-county report →

About this center

Licensed capacity54 children
License typeChild care center (preschool)
License statusLicensed
Licensed sinceJan 18, 2023
LicenseePotrero Hill Montessori School LLC
AdministratorLiu Yang
Phone(650) 476-3015
State facility #384004643

Common questions

Does Potrero Hill Montessori School take infants?

Not under this license, which covers preschool-age children.

Has Potrero Hill Montessori School had any serious violations?

California issued 4 Type A citations since 2021, its most serious category. The most recent was on Mar 25, 2026, for care and supervision. Each citation is listed in full above.

Have there been complaints about Potrero Hill Montessori School?

California investigated 9 complaints since 2021 and substantiated 3. Allegations are shown only for substantiated complaints.

How does Potrero Hill Montessori School compare with other daycares in San Francisco?

It is tied for #342 of 344 centers in San Francisco by weighted citations per inspection, and has more citations per inspection than 96% of California licensed centers with enough inspection history to compare.

When was Potrero Hill Montessori School last inspected?

Mar 25, 2026. No citations were issued during that visit.

How much does Potrero Hill Montessori School cost?

California does not publish individual centers’ prices, so ask Potrero Hill Montessori School for its current tuition. For comparison, the median full-time price at licensed centers in San Francisco County, which includes San Francisco, was $1,735 a month for preschoolers (about $2,190 today) in the state’s 2021 Regional Market Rate Survey.

Who runs Potrero Hill Montessori School?

The licensee is Potrero Hill Montessori School LLC, and the administrator listed with the state is Liu Yang.

Licensed centers nearby

Citations are quoted from California Department of Social Services inspection and complaint reports. Type A citations are the state’s most serious category (an immediate risk to children’s health, safety or personal rights); Type B citations are a potential risk. A citation is a finding about one rule, not a judgment about a center overall. Complaint allegations appear here only when the state substantiated them.

To read the full state reports, search facility number 384004643 on the California Care Facility Search. Data refreshed Oct 3, 2026.

Comparing centers? See how to choose a daycare: 30 questions to ask and a printable checklist.