Daycare Record Child care inspection records

Happiness Hill Preschool and Day Care

20600 John Drive, Castro Valley, CA 94546 · Alameda County
1 substantiated complaint Child care center (preschool)

Happiness Hill Preschool and Day Care is a licensed child care center in Castro Valley, CA, licensed for up to 123 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 and investigated 1 complaint, and it was substantiated. The state issued 3 citations, 1 of them Type A (the most serious). None of them came in the last 12 months. Measured by weighted citations per inspection, it is tied for #22 of 24 centers in Castro Valley and has more citations per inspection than 76% of California licensed centers.

Inspection record

More citations than 76% of 10,948 California licensed centers, per inspection, weighted by severity. More citations than most
Tied for #22 of 24 centers in Castro Valley
1 Type A citations
2 Type B citations
3 Inspections
1 of 1 Complaints substantiated
3 citations from 4 state visits since Feb 8, 2021 · none in the last 12 months · last inspected Mar 5, 2026

Every state visit

2022 2023 2024 2025 2026 INSPECTIONS (top) · REPORTS & INVESTIGATIONS (bottom) Mar 5, 2026 · Inspection · no citation Nov 17, 2023 · Inspection · no citation Nov 18, 2022 · Inspection · citation found Jan 4, 2022 · Report/investigation · citation found
Citation issued No citation Top row: inspections · bottom row: complaint investigations and other visits

What inspectors cited most

Background checks 1
Building & playground safety 1
Caregiver conduct 1

Citations, newest first

Type A Nov 18, 2022 Inspection Background checks
Criminal record clearance §101170(e)(1)
Based on interview & record review, the facility did not comply with the section cited above as one staff member's criminal background check is still in process and therefore does not have an eligible clearance which poses an immediate health, safety or personal rights risk to persons in care.
Plan of correction due Nov 18, 2022
Type B Nov 18, 2022 Inspection Building & playground safety
Buildings and grounds §101238(g)
Based on observation, the facility did not comply with the section cited above as toileting wipes, disinfecting wipes, adult scissors, and shaving cream were being stored in a low, unlocked cabinet or drawer which poses/posed a potential health, safety or personal rights risk to persons in care.
Plan of correction due Dec 16, 2022
Type B Jan 4, 2022 Complaint investigation Caregiver conduct
Personal rights §101223(a)(2)
Based on LPA viewing of a video posted online (YouTube) as well as statement by staff member, it was determined that unmasked children were in close quarters during a holiday event. This poses a potential risk to the health and safety of children in care.
Plan of correction due Jan 11, 2022

Complaint investigations

Substantiated Jan 4, 2022 Complaint investigation received Dec 15, 2021
Substantiated allegation:
Facility is not following COVID-19 guidelines.
1 citation issued during this investigation, listed under Citations.

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

About this center

Licensed capacity 123 children
License type Child care center (preschool)
License status Licensed
Licensed since Oct 29, 1974
Licensee Neighborhood Church Of Castro Valley
Administrator Briana Abreu
Phone (510) 537-0773
State facility # 010200263
Parent reviews Google Maps reviews
Not checked by Daycare Record

Common questions

Does Happiness Hill Preschool and Day Care take infants?

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

Has Happiness Hill Preschool and Day Care had any serious violations?

California issued 1 Type A citation since 2021, its most serious category. The most recent was on Nov 18, 2022, for criminal record clearance. Each citation is listed in full above.

Have there been complaints about Happiness Hill Preschool and Day Care?

California investigated 1 complaint since 2021 and substantiated 1. Allegations are shown only for substantiated complaints.

How does Happiness Hill Preschool and Day Care compare with other daycares in Castro Valley?

It is tied for #22 of 24 centers in Castro Valley by weighted citations per inspection, and has more citations per inspection than 76% of California licensed centers with enough inspection history to compare.

When was Happiness Hill Preschool and Day Care last inspected?

Mar 5, 2026. No citations were issued during that visit.

How much does Happiness Hill Preschool and Day Care cost?

California does not publish individual centers’ prices, so ask Happiness Hill Preschool and Day Care for its current tuition. For comparison, the median full-time price at licensed centers in Alameda County, which includes Castro Valley, was $1,547 a month for preschoolers (about $1,950 today) in the state’s 2021 Regional Market Rate Survey.

Who runs Happiness Hill Preschool and Day Care?

The licensee is Neighborhood Church Of Castro Valley, and the administrator listed with the state is Briana Abreu.

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 010200263 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.