Castro Valley · Licensed center
Happiness Hill Preschool and Day Care
At a glance
- Large center, licensed for 123 children.
What the state has found
The state cited rules at 1 of its 3 licensing inspections since November 2022.
See each inspection
Licensing inspections
- Mar 5, 2026Nothing cited
- Nov 17, 2023Nothing cited
Nov 18, 20222 citations
CCR 101170(e)(1)Type A
“(e) All individuals subject to a criminal record review pursuant to Health and Safety Code Section 1596.871 shall prior to working, residing or volunteering in a licensed facility: (1) Obtain a California clearance or a criminal record exemption as required by the Department or This requirement is not met as evidenced by: 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.”
CCR 101170(e)(1)
CCR 101238(g)Type B
“(g) Disinfectants, cleaning solutions, poisons and other items that could pose a danger if readily available to children shall be stored where inaccessible to children. This requirement is not met as evidenced by: 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.”
CCR 101238(g)
The state cited rules at 1 of this center's 3 inspections. Most Bay Area centers inspected 3 times had fewer: 51% of 568 had none cited.
How all 568 Bay Area centers inspected 3 times compare
Of the 568 Bay Area centers the state inspected 3 times, how many of those inspections cited a rule:
- None51%
- 1 of 334%This center
- 2 of 312%
- All 33%
Read every record and the state’s reports
State record — California CDSS Community Care Licensing
- Last visit
- March 5, 2026
- On file
- 3 visits since November 2022 — 2 cited nothing · 2 complaint investigations
- Most serious
- Type A —
(e) All individuals subject to a criminal record review pursuant to Health and Safety Code Section 1596.871 shall prior to working, residing or volunteering in a licensed facility: (1) Obtain a California clearance or a criminal record exemption as required by the Department or This requirement is not met as evidenced by: 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.
· November 18, 2022
California CDSS publishes the full investigation narrative for a complaint, including its disposition, and classifies a citation Type A — an immediate risk to a child — or Type B.
Nov 2022 Licensing visit 2 findings
Licensing visit · November 18, 2022
CCR 101170(e)(1) · Type A
(e) All individuals subject to a criminal record review pursuant to Health and Safety Code Section 1596.871 shall prior to working, residing or volunteering in a licensed facility: (1) Obtain a California clearance or a criminal record exemption as required by the Department or This requirement is not met as evidenced by: 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.
CCR 101238(g) · Type B
(g) Disinfectants, cleaning solutions, poisons and other items that could pose a danger if readily available to children shall be stored where inaccessible to children. This requirement is not met as evidenced by: 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.
Dec 2021 Complaint Substantiated
Complaint · December 15, 2021
CCR 101223(a)(2) · Type B
(a) The licensee shall ensure that each child is accorded the following personal rights: (2) To be accorded safe, healthful and comfortable accommodations... This requirement was not met as evidenced by: 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.
Shortlist replaces people’s names in the state’s text with initials. This is done by rule, not by hand, so it can miss a name or shorten a word that isn’t one. The state’s report, linked on each row, has the original.
Details
- Phone
- (510) 537-0773
- Address
- 20600 John Drive, Castro Valley, 94546
- License
- 010200263
We couldn’t find some information that may matter to your decision: openings, child care subsidies, cost, hours and late pickup, teaching approach, ratios and staff, a typical day, sick and biting policies, and who owns it. We can ask the program for you and copy you in.
Sources and dates
Where every fact on this page came from, and when Shortlist last checked it against that source. Anything Shortlist could not source is named here rather than left blank.
All checked November 2026.
State record
The state’s licensing transparency data reports 4 complaint-related visit(s) to this facility, while 1 complaint investigation report(s) are published on the transparency portal. State complaint counts: substantiated=1, inconclusive=0, unsubstantiated=2, unfounded=CONFIDENTIAL, Type A citations=0, Type B citations=1. The state publishes no further detail for the difference.
From California CDSS Community Care Licensing’s published reports, last checked November 5, 2026.
Details
- Phone, Address, License ccld.dss.ca.gov
Large means the biggest quarter of Bay Area’s 439 licensed centers by state-licensed capacity: 76 to 312 children. Small is 8 to 30; medium is 31 to 75.