Daycare RecordChild care inspection records

Thumbelina Nursery School

20 Horgan Avenue, Redwood City, CA 94061 · San Mateo County
3 Type A citations in last 12 monthsChild care center (preschool)

Thumbelina Nursery School is a licensed child care center in Redwood City, 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 and investigated 2 complaints, 0 of them substantiated. The state issued 4 citations, 3 of them Type A (the most serious), most often for supervision (3 of 4). 3 citations came in the last 12 months, including 3 Type A. Measured by weighted citations per inspection, it is #37 of 43 centers in Redwood City and has more citations per inspection than 85% of California licensed centers.

Inspection record

More citations than 85%of 10,948 California licensed centers, per inspection, weighted by severity. Among the most cited
#37 of 43 centers in Redwood City
3Type A citations
1Type B citations
4Inspections
0 of 2Complaints substantiated
4 citations from 9 state visits since Feb 8, 2021 · 3 in the last 12 months · last inspected Aug 26, 2026

Every state visit

20222023202420252026INSPECTIONS (top) · REPORTS & INVESTIGATIONS (bottom)Aug 26, 2026 · Inspection · no citationJul 23, 2026 · Report/investigation · no citationJun 16, 2026 · Report/investigation · no citationJun 5, 2026 · Report/investigation · citation foundMay 27, 2026 · Report/investigation · no citationNov 7, 2025 · Report/investigation · no citationJun 13, 2025 · Inspection · no citationApr 3, 2024 · Inspection · citation foundMar 8, 2023 · Inspection · no citation
Citation issuedNo citationTop row: inspections · bottom row: complaint investigations and other visits

What inspectors cited most

Supervision3
Building & playground safety1

Citations, newest first

Type AJun 5, 2026Case management visit (deficiencies)Supervision
Care and supervision §101229(a)(1)
During today's visit Director barricaded a corner of the fairy room. Director will hire another staff member to be present during transiton times and Director will meet with staff and discuss providing 100% supervision at all times. Owner will send agenda of meeting with staff signatures to LPA.
Plan of correction due Jun 6, 2026
Type AJun 5, 2026Case management visit (deficiencies)Supervision
Care and supervision §101229(a)(1)
Based on observation, LPA observed two children playing in the far-left corner of the fairy room without 100% direct supervision by Director. During visit LPA also observed Director walking into kitchen area leaving children unsupervised in multipurpose room and fairy room. This poses an immediate health, safety and personal rights risk to children in care.
Plan of correction due Jun 6, 2026
Type AJun 5, 2026Case management visit (deficiencies)Supervision
Care and supervision §101229(a)(1)
Based on observation, LPA observed two children playing in the far-left corner of the fairy room without 100% direct supervision by Director. During visit LPA also observed Director walking into kitchen area leaving children unsupervised in multipurpose room and fairy room. This poses an immediate health, safety and personal rights risk to children in care.
Plan of correction due Jun 8, 2026
Type BApr 3, 2024InspectionBuilding & playground safety
Lead testing of drinking water §1597.16(a)(1)
Based upon record review, the facility did not test for lead until 4/24/2023. This posed a potential health, safety, or personal rights risk to the persons in care.
Plan of correction due Apr 3, 2024

How common are lead-in-water citations in San Mateo County? See the county-by-county report →

Complaint investigations

Not substantiatedJul 23, 2026Complaint investigationreceived May 28, 2026
The state did not substantiate this complaint, so its allegations are not shown.
Not substantiatedMay 27, 2026Complaint investigationreceived Apr 8, 2026
The state did not substantiate this complaint, so its allegations are not shown.

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

About this center

Licensed capacity45 children
License typeChild care center (preschool)
License statusLicensed
Licensed sinceMar 27, 2017
LicenseeTammy Atwell
AdministratorTammy Atwell
Phone(650) 364-5165
State facility #414004281

Common questions

Does Thumbelina Nursery School take infants?

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

Has Thumbelina Nursery School had any serious violations?

California issued 3 Type A citations since 2021, its most serious category. The most recent was on Jun 5, 2026, for care and supervision. Each citation is listed in full above.

Have there been complaints about Thumbelina Nursery School?

California investigated 2 complaints since 2021 and substantiated 0. Allegations are shown only for substantiated complaints.

How does Thumbelina Nursery School compare with other daycares in Redwood City?

It is #37 of 43 centers in Redwood City by weighted citations per inspection, and has more citations per inspection than 85% of California licensed centers with enough inspection history to compare.

When was Thumbelina Nursery School last inspected?

Aug 26, 2026. No citations were issued during that visit.

How much does Thumbelina Nursery School cost?

California does not publish individual centers’ prices, so ask Thumbelina Nursery School for its current tuition. For comparison, the median full-time price at licensed centers in San Mateo County, which includes Redwood City, was $1,619 a month for preschoolers (about $2,040 today) in the state’s 2021 Regional Market Rate Survey.

Who runs Thumbelina Nursery School?

The licensee is Tammy Atwell, and the administrator listed with the state is Tammy Atwell.

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 414004281 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.