Daycare RecordChild care inspection records

Hawthorne Nursery School

145 Rock Hill Drive, Tiburon, CA 94920 · Marin County
Child care center (preschool)

Hawthorne Nursery School is a licensed child care center in Tiburon, CA, licensed for up to 45 children and serving preschool-age children. It has held its California license since 1974. Since February 2021, state licensing staff have inspected it 3 times. The state issued 2 citations, 0 of them Type A (the most serious). None came in the last 12 months. Measured by weighted citations per inspection, it is #5 of 6 centers in Tiburon and has more citations per inspection than 54% of California licensed centers.

Inspection record

More citations than 54%of 10,948 California licensed centers, per inspection, weighted by severity. About typical
#5 of 6 centers in Tiburon
0Type A citations
2Type B citations
3Inspections
0 of 0Complaints substantiated
2 citations from 4 state visits since Feb 8, 2021 · 0 in the last 12 months · last inspected Jun 24, 2025

Every state visit

20222023202420252026INSPECTIONS (top) · REPORTS & INVESTIGATIONS (bottom)Jun 24, 2025 · Inspection · no citationJun 26, 2024 · Inspection · citation foundOct 4, 2023 · Report/investigation · citation foundJun 28, 2023 · Inspection · no citation
Citation issuedNo citationTop row: inspections · bottom row: complaint investigations and other visits

What inspectors cited most

Training & qualifications1
Building & playground safety1

Citations, newest first

Type BJun 26, 2024InspectionTraining & qualifications
Teacher qualifications and duties §101216.1(c)(1)
Based on (record review)], the licensee did not comply with the section cited above which poses/posed a potential health, safety or personal rights risk to persons in care.
Plan of correction due Jul 26, 2024
Type BOct 4, 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. Once received, the facility took immediate and proper actions to remediate the fixtures. This poses a potential health, safety, or personal rights risk to persons in care. 8 The facility will also continue to not use the affected fixture as it is not part of their day care facility. The facility is using other sources of water that passed the tests.
Plan of correction due Nov 6, 2023

How common are lead-in-water citations in California? See the county-by-county report →

About this center

Licensed capacity45 children
License typeChild care center (preschool)
License statusLicensed
Licensed sinceMay 27, 1974
LicenseeBelvedere Nursery School
AdministratorHrunda Gisladottir
Phone(415) 435-9757
State facility #210102822

Common questions

Does Hawthorne Nursery School take infants?

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

Has Hawthorne Nursery School had any serious violations?

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

How does Hawthorne Nursery School compare with other daycares in Tiburon?

It is #5 of 6 centers in Tiburon by weighted citations per inspection, and has more citations per inspection than 54% of California licensed centers with enough inspection history to compare.

When was Hawthorne Nursery School last inspected?

Jun 24, 2025. No citations were issued during that visit.

How much does Hawthorne Nursery School cost?

California does not publish individual centers’ prices, so ask Hawthorne Nursery School for its current tuition. For comparison, the median full-time price at licensed centers in Marin County, which includes Tiburon, was $1,683 a month for preschoolers (about $2,120 today) in the state’s 2021 Regional Market Rate Survey.

Who runs Hawthorne Nursery School?

The licensee is Belvedere Nursery School, and the administrator listed with the state is Hrunda Gisladottir.

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 210102822 on the California Care Facility Search. Data refreshed Oct 3, 2026.