Diablo Hills Country School · Preschool, San Ramon
Diablo Hills Country School is a licensed child care center in San Ramon, CA, licensed for up to 60 children and serving preschool-age children. It has held its California license since 1999. Since February 2021, state licensing staff have inspected it 5 times and investigated 2 complaints, none of them substantiated. The state issued 3 citations, none of them Type A, most often for health & medication (2 of 3). 1 citation came in the last 12 months. Measured by weighted citations per inspection, it is tied for #24 of 35 centers in San Ramon and has more citations per inspection than 53% of California licensed centers.
Inspection record
Every state visit
What inspectors cited most
Citations, newest first
Based on observation, child C9 had epinephrine medication that expired 8/2025, which poses a potential health, safety or personal rights risk to persons in care.
Based on record review, staff S1 and S3 do not have proof of current mandated reporter training on file, which poses a potential health, safety or personal rights risk to persons in care.
Based on record review, child C6 does not have written authorization for Epinephrine from parent on file, which poses a potential health, safety or personal rights risk to persons in care.
Complaint investigations
How often are complaints about daycares in Contra Costa County substantiated? See the county-by-county report →
About this center
Other licenses at this address
Common questions
Does Diablo Hills Country School take infants?
Not under this license, which covers preschool-age children.
Has Diablo Hills Country School had any serious violations?
No Type A citations since 2021. It has 3 Type B citations, listed above.
Have there been complaints about Diablo Hills Country School?
California investigated 2 complaints since 2021 and substantiated 0. Allegations are shown only for substantiated complaints.
How does Diablo Hills Country School compare with other daycares in San Ramon?
It is tied for #24 of 35 centers in San Ramon by weighted citations per inspection, and has more citations per inspection than 53% of California licensed centers with enough inspection history to compare.
When was Diablo Hills Country School last inspected?
Mar 18, 2026. The state issued at least one citation during that visit.
How much does Diablo Hills Country School cost?
California does not publish individual centers’ prices, so ask Diablo Hills Country School for its current tuition. For comparison, the median full-time price at licensed centers in Contra Costa County, which includes San Ramon, was $1,287 a month for preschoolers (about $1,620 today) in the state’s 2021 Regional Market Rate Survey.
Who runs Diablo Hills Country School?
The licensee is Diablo Hills Country Schools, INC., and the administrator listed with the state is Corey Bengtson.
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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 073401693 on the California Care Facility Search. Data refreshed Oct 3, 2026.
Comparing centers? See how to choose a daycare: 30 questions to ask and a printable checklist.