Daycare RecordChild care inspection records

Tinker Preschool

554 Clement Street, San Francisco, CA 94118 · San Francisco County
Child care center (preschool)

Tinker Preschool is a licensed child care center in San Francisco, CA, licensed for up to 45 children and serving preschool-age children. It has held its California license since 2017. Since February 2021, state licensing staff have inspected it 4 times. The state issued 2 citations, 0 of them Type A (the most serious). 1 citation came in the last 12 months. Measured by weighted citations per inspection, it is tied for #202 of 344 centers in San Francisco and better than 46% of licensed centers statewide.

Inspection record

Better than 46%of 10,948 California licensed centers, comparing weighted citations per inspection. About typical
Tied for #202 of 344 centers in San Francisco
0Type A citations
2Type B citations
4Inspections
0 of 0Complaints substantiated
2 citations from 5 state visits since Feb 8, 2021 · 1 in the last 12 months · last inspected Apr 16, 2026

Every state visit

20222023202420252026INSPECTIONS (top) · REPORTS & INVESTIGATIONS (bottom)Apr 16, 2026 · Inspection · citation foundJan 21, 2025 · Inspection · no citationMar 22, 2024 · Inspection · no citationNov 13, 2023 · Report/investigation · citation foundDec 14, 2022 · Inspection · no citation
Citation issuedNo citationTop row: inspections · bottom row: complaint investigations and other visits

What inspectors cited most

Building & playground safety2

Citations, newest first

Type BApr 16, 2026InspectionBuilding & playground safety
Lead testing of drinking water §1597.16(a)(1)
Based on record review, the licensee did not comply with the section cited above. Lead water testing was completed after the January 1, 2023 deadline, which poses/posed a potential health, safety or personal rights risk to children in care.
Plan of correction due Apr 20, 2026
Type BNov 13, 2023Case management visit (lead testing/exceedance)Building & playground safety
Lead in drinking water §101700.3
Based on results received from the certified water samplers, the facility exceeded 5.4 ppb of lead in their water source. This poses a potential health, safety, or personal rights risk to persons in care.
Plan of correction due Dec 13, 2023

About this center

Licensed capacity45 children
License typeChild care center (preschool)
License statusLicensed
Licensed sinceDec 29, 2017
LicenseeTinker Preschool, INC.
AdministratorZhongwen Chen
Phone(415) 272-8307
State facility #384002991

Common questions

Does Tinker Preschool take infants?

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

Has Tinker Preschool had any serious violations?

No Type A citations since 2021. It has 2 Type B citations, listed above.

How does Tinker Preschool compare with other daycares in San Francisco?

It is tied for #202 of 344 centers in San Francisco by weighted citations per inspection, and is better than 46% of licensed centers statewide (out of 10,948 California centers with enough inspection history).

When was Tinker Preschool last inspected?

Apr 16, 2026. The state issued at least one citation during that visit.

How much does Tinker Preschool cost?

California does not publish individual centers’ prices, so ask Tinker Preschool 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 Tinker Preschool?

The licensee is Tinker Preschool, INC., and the administrator listed with the state is Zhongwen Chen.

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 384002991 on the California Care Facility Search. Data refreshed Oct 2, 2026.