Daycare Record Child care inspection records

The Knolls Learning Studio - Infant Center

28348 Agoura Road, Agoura Hills, CA 91301 · Los Angeles County
1 substantiated complaint Infant center

The Knolls Learning Studio - Infant Center is a licensed child care center in Agoura Hills, CA, licensed for up to 8 children and serving infants and toddlers. It has held its California license since 2022. Since February 2021, state licensing staff have inspected it once and investigated 6 complaints, 1 of them substantiated. The state issued 6 citations, 0 of them Type A (the most serious). 1 citation came in the last 12 months. It has too few inspections so far for a statewide comparison.

Inspection record

Not enough history California has inspected this center 1 time since Feb 8, 2021. Centers are compared once they have at least 2 inspections.
0 Type A citations
6 Type B citations
1 Inspections
1 of 6 Complaints substantiated
6 citations from 14 state visits since Feb 8, 2021 · 1 in the last 12 months · last inspected Oct 17, 2025

Every state visit

2022 2023 2024 2025 2026 INSPECTIONS (top) · REPORTS & INVESTIGATIONS (bottom) Jul 9, 2026 · Report/investigation · no citation Jul 9, 2026 · Report/investigation · no citation Oct 17, 2025 · Inspection · citation found Jul 24, 2025 · Report/investigation · no citation Aug 8, 2024 · Report/investigation · no citation May 10, 2024 · Report/investigation · citation found May 10, 2024 · Report/investigation · no citation Nov 28, 2023 · Report/investigation · citation found Sep 12, 2023 · Report/investigation · no citation Aug 11, 2023 · Report/investigation · no citation May 25, 2023 · Report/investigation · citation found May 25, 2023 · Report/investigation · citation found Nov 4, 2022 · Report/investigation · no citation Sep 15, 2022 · Report/investigation · no citation
Citation issued No citation Top row: inspections · bottom row: complaint investigations and other visits

What inspectors cited most

Training & qualifications 2
Other standards 2
Staff ratios 1
Health & medication 1

Citations, newest first

Type B Oct 17, 2025 Inspection Training & qualifications
Mandated reporter training §1596.8662(b)(1)
Based on record review, the center did not comply with the section cited above in 1 out of 3 staff had a valid mandated reporter training certificate which poses/posed a potential health, safety or personal rights risk to persons in care.
Plan of correction due Oct 24, 2025
Type B May 10, 2024 Complaint investigation Other standards
Infant care activities §101430(a)(3)(C)
Infant Care Activities (a)(3):All infants shall be given the opportunity to sleep without distraction or disturbance... (C)An infant shall not be swaddled while in care. This requirement was not met as evidence by: 1 Director is to let parents know sleep sacks are no longer allowed, unless a waiver is written and submitted to the RO. Director is to provide a written statement on how they will comply with safe sleep regulations at all times. Based on LPA observations, the licensee did not comply with the section cited as LPA observed an infant sleeping with a sleep sack which poses/posed a potential health, safety or personal rights risk to persons in care. 8
Plan of correction due Jun 10, 2024
Type B Nov 28, 2023 Complaint investigation Other standards
Infant Care Personal Services §101428(b)(2)
101428(b) The infant shall be kept clean and dry at all times.(2) Each infant's clothing and diapers shall be changed as often as necessary to ensure that the infant is clean and dry at all times. This requirement was not met as evidence by: 1 The center is to submit a written statement on how they plan to prevent this deficiency from reoccurring in the future. The written plan is due to the Department by 12/12/2023. Based on interviews and record review, the licensee did not comply with the section cited above as some staff members indicated diaper checks are done every 2 hours which poses/posed a potential health, safety or personal rights risk to persons in care. 8
Plan of correction due Dec 12, 2023
Type B May 25, 2023 Complaint investigation Staff ratios
Capacity limits §101161(a)
the following: CCC failed to adhere to the terms of a 10/31/22 waiver issued by CCLD for the staggered 1 Adminstaror to provide a written plan of correction to CCLD (elvin.baddley@dss.ca.gov) explaining how the CCC with funtion in accoradnce to the limitation of CCC's License, specifically the number of infants in the outdoor play area 6/8/23. use of an outdoor play area in that CCC exceed capacity of four children in the area. This poses at potential risk to the health, safety and personal rights of persons in care.
Plan of correction due Jun 8, 2023
Type B May 25, 2023 Case management visit (deficiencies) Training & qualifications
Mandated reporter training §1596.8662(b)(1)
the following: Records review revealed S1,S2,S3 and S5 failed to have current Mandated Reporter Certification. This poses at potential risk to the health, safety and personal rights of persons in care.
Plan of correction due Jun 8, 2023
Type B May 25, 2023 Case management visit (deficiencies) Health & medication
Staff immunizations §1596.7995(a)(1)
the following: Records review revealed S1,S2,S3,S4 and S5 failed to have current Immunization (T-Dap, MMR, Influ.). This poses at potential risk to the health, safety and personal rights of persons in care.
Plan of correction due Jun 8, 2023

Complaint investigations

Not substantiated Jul 9, 2026 Complaint investigation received May 13, 2026
The state did not substantiate this complaint, so its allegations are not shown.
Not substantiated Jul 24, 2025 Complaint investigation received Jun 10, 2025
The state did not substantiate this complaint, so its allegations are not shown.
Not substantiated May 10, 2024 Complaint investigation received Mar 20, 2024
The state did not substantiate this complaint, so its allegations are not shown.
1 citation issued during this investigation, listed under Citations.
Not substantiated May 10, 2024 Complaint investigation received Mar 22, 2024
The state did not substantiate this complaint, so its allegations are not shown.
Not substantiated Nov 28, 2023 Complaint investigation received Sep 7, 2023
The state did not substantiate this complaint, so its allegations are not shown.
1 citation issued during this investigation, listed under Citations.
Substantiated May 25, 2023 Complaint investigation received May 18, 2023
At least one allegation was substantiated. The state’s report lists which.
1 citation issued during this investigation, listed under Citations.

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

About this center

Licensed capacity 8 children
License type Infant center
License status Licensed
Licensed since Oct 6, 2022
Licensee Tressa Mendoza
Administrator Tressa Mendoza
Phone (818) 991-7752
State facility # 196216378
Parent reviews Google Maps reviews
Not checked by Daycare Record

Other licenses at this address

Common questions

Does The Knolls Learning Studio - Infant Center take infants?

Yes. It is licensed by California as an infant center.

Has The Knolls Learning Studio - Infant Center had any serious violations?

No Type A citations since 2021. It has 6 Type B citations, listed above.

Have there been complaints about The Knolls Learning Studio - Infant Center?

California investigated 6 complaints since 2021 and substantiated 1. Allegations are shown only for substantiated complaints.

When was The Knolls Learning Studio - Infant Center last inspected?

Oct 17, 2025. The state issued at least one citation during that visit.

How much does The Knolls Learning Studio - Infant Center cost?

California does not publish individual centers’ prices, so ask The Knolls Learning Studio - Infant Center for its current tuition. For comparison, the median full-time price at licensed centers in Los Angeles County, which includes Agoura Hills, was $1,555 a month for infants (about $1,960 today) in the state’s 2021 Regional Market Rate Survey.

Who runs The Knolls Learning Studio - Infant Center?

The licensee is Tressa Mendoza, and the administrator listed with the state is Tressa Mendoza.

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 196216378 on the California Care Facility Search. Data refreshed Oct 3, 2026.

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