Castro Valley · Licensed center
Explorer Children's School
At a glance
- Small center, licensed for 24 children.
- Run by a for-profit business, which holds the license.
What the state has found
The state cited no rules at any of its 2 licensing inspections since April 2026.
See each inspection
Licensing inspections
- Oct 23, 2026Nothing cited
- Apr 8, 2026Nothing cited
The state cited no rules at any of this center's 2 inspections. Most Bay Area centers inspected twice had the same: 64% of 362.
How all 362 Bay Area centers inspected twice compare
Of the 362 Bay Area centers the state inspected twice, how many of those inspections cited a rule:
- None64%This center
- 1 of 232%
- Both4%
Read every record and the state’s reports
State record — California CDSS Community Care Licensing
- Last visit
- October 23, 2026
- On file
- 2 visits since April 2026 — both cited nothing · 1 complaint investigation
- Most serious
- Type B —
101157(b) If a child care center is alleged to be in violation of Health and Safety Code Section 1596.80, the Department shall conduct a site visit and/or evaluation of the center pursuant to Health and Safety Code Section 1596.853. This requirement has not been met as evidenced by: LPA's observation of the preschool's website, in an effort to attract clients. This poses a potential risk to the health and safety of children in care.
· March 19, 2026
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.
Mar 2026 Complaint Substantiated
Complaint · March 13, 2026
CCR 101157(b) · Type B
101157(b) If a child care center is alleged to be in violation of Health and Safety Code Section 1596.80, the Department shall conduct a site visit and/or evaluation of the center pursuant to Health and Safety Code Section 1596.853. This requirement has not been met as evidenced by: LPA's observation of the preschool's website, in an effort to attract clients. This poses a potential risk to the health and safety of children in care.
Deficiency Dismissed
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
- (415) 577-7101
- Address
- 20393 Anita Ave, Castro Valley, 94546
- License
- 015701515
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, and sick and biting policies. 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
From California CDSS Community Care Licensing’s published reports, last checked November 5, 2026.
Details
- Phone, Address, License, Who runs it ccld.dss.ca.gov
Small means the smallest quarter of Bay Area’s 439 licensed centers by state-licensed capacity: 8 to 30 children. Medium is 31 to 75; large is 76 to 312.