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DIAMOND BAR MONTESSORI ACADEMY

23555 PALOMINO DR, Diamond Bar, CA 91765

Facility:
198019047
Type:
DAY CARE CENTER
Status:
Licensed
Records checked:
July 17, 2026
Additional info
Source:
California Community Care Licensing Division
District office:
Not listed
License effective:
Not found
Capacity:
118

Inspection snapshot

Questions worth asking

The available records raise questions worth asking before enrolling.

Next: Review the inspection history below and ask the provider what the records mean and what changed afterward.

Latest inspectionOctober 17, 2025
Latest inspection with no recorded violationsOctober 17, 2025

Summary

This summary covers six available inspections for DIAMOND BAR MONTESSORI ACADEMY from July 28, 2021 through October 17, 2025.

Two inspections recorded violations, with two recorded violations in total.

The most recent higher-concern violation was on June 8, 2023 and involved attendance accountability, with a due date of June 9, 2023.

Two later inspections, from November 26, 2024 through October 17, 2025, showed no recorded violations, but the records do not say whether they were formal follow-ups.

At a glance

Total inspections
6

1 in last 12 months

Recorded violations
2

0 in last 12 months

Higher-concern violations
1

0 in last 12 months

Repeated topics
0

Last 36 months

Local comparison

6 total inspections vs 5 local median in 91765

Compared to 11 local facilities

Recorded violations per inspection

This provider
0.33
Local median
0.33

Inspections with higher-concern violations

This provider
17%
Local median
0%

Inspections with recorded violations

This provider
33%
Local median
33%

Repeated topics

This provider
0
Local average
0

Repeated topics

Topics that appeared in more than one inspection during the last 36 months. They may reveal a pattern worth examining.

No repeated topics found

The available reports do not show the same violation topic appearing in more than one inspection during the last 36 months. Review the inspection history below for one-time violations or report details.

Inspection history

Available inspection history. Select a violation topic for more info.

Higher concern: Attendance accountability
Report finding
Sign In and Sign Out (b) The person who brings the child to, and removes the child from, the center shall sign the child in/out. This requirement is not met as evidenced by: Based on record review, the licensee did not comply with the section cited above in 8 children were not signed in - 2 in room #2 and 6 in room #4 which poses/posed a potential health, safety or personal rights risk to persons in care.
Correction status
Plan of correction due by June 9, 2023
More details
Official CA class
Type B deficiency
Report section
CCR 101229.1(b) - 101229.1(b)
Official code
101229.1(b)
View official report
Medium concern: Parent rights
Report finding
Admission Procedures and Parental and Authorized Representative's Rights At the time of acceptance of each child in care, the licensee shall inform each child's parent or authorized representative of his/her rights that include, but are not limited to, the following: To enter and inspect the child care center. This requirement was not met when it was observed that a supplemental parent handbook stated parents were not allowed inside the facility during business hours. This is a potential risk to children in care.
Correction status
Plan of correction due by September 29, 2021
More details
Official CA class
Type B deficiency
Report section
CCR 101218.1(b)(1) - 101218.1(b)(1)
Official code
101218.1(b)(1)