CORNERSTONE PRESCHOOL
Data Freshness & Provenance
Inspection coverage
7 inspections on record
Active providers
License status: LICENSED
Last refreshed
April 1, 2026
Latest inspection
February 13, 2026
Provenance
California licensing inspections and DaycareCheck scoring
Quick Facts
These facts are normalized from the official record so they can be quoted directly.
Updated April 1, 2026
- Provider
- CORNERSTONE PRESCHOOL
- License number
- Not listed
- Location
- 7804 S. THORNLAKE AVENUE, Whittier, CA 90606
- Status
- LICENSED
- Safety grade
- A (Excellent), score 91.0/100
- Inspection record
- 7 inspections, last inspected February 13, 2026
- Provenance
- Official state licensing inspections and DaycareCheck scoring. Last refreshed April 1, 2026.
Safety Scorecard
6
Total Violations
Feb 13, 2026
Last Inspection
12
Capacity
Complaint History
1 complaint investigation on record.
0
Substantiated
0
Inconclusive
1
Unsubstantiated
Violation Timeline
Violations by month over the last 3 years, colored by severity.
All Violations (6)
(1) A licensed child day care center, as defined in Section 1596.76, that is located in a building that was constructed before January 1, 2010, shall have its drinking water tested for lead contamination levels on or after January 1, 2020, but no later than January 1, 2023, and every five years after the date of the initial test.
(1) A licensed child day care center, as defined in Section 1596.76, that is located in a building that was constructed before January 1, 2010, shall have its drinking water tested for lead contamination levels on or after January 1, 2020, but no later than January 1, 2023, and every five years after the date of the initial test.
Type B citation - potential risk if not corrected
Type B citation - potential risk if not corrected
(1) A licensed child day care center, as defined in Section 1596.76, that is located in a building that was constructed before January 1, 2010, shall have its drinking water tested for lead contamination levels on or after January 1, 2020, but no later than January 1, 2023, and every five years after the date of the initial test.
(1) A licensed child day care center, as defined in Section 1596.76, that is located in a building that was constructed before January 1, 2010, shall have its drinking water tested for lead contamination levels on or after January 1, 2020, but no later than January 1, 2023, and every five years after the date of the initial test.
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Frequently Asked Questions
What is CORNERSTONE PRESCHOOL's safety grade?
CORNERSTONE PRESCHOOL has a safety grade of A (Excellent) based on state inspection data. The composite score is 91.0 out of 100.
How many violations does CORNERSTONE PRESCHOOL have?
CORNERSTONE PRESCHOOL has 6 total violations on record, including 0 critical, 6 serious, and 0 minor.
When was CORNERSTONE PRESCHOOL last inspected?
CORNERSTONE PRESCHOOL was last inspected on February 13, 2026.
Has CORNERSTONE PRESCHOOL had any complaints?
CORNERSTONE PRESCHOOL has 1 complaint investigation on record, with 0 substantiated allegations, 0 inconclusive, and 1 unsubstantiated.