Sunny Hills
Sunny Hills is a licensed child care center in Buena Park, CA, licensed for up to 39 children and serving school-age children. It has held its California license since 2002. Since February 2021, state licensing staff have inspected it 3 times. The state issued 2 citations, 0 of them Type A (the most serious). None came in the last 12 months. Measured by weighted citations per inspection, it is tied for #18 of 31 centers in Buena Park and has more citations per inspection than 55% of California licensed centers.
Inspection record
Every state visit
What inspectors cited most
Citations, newest first
Based on interview and record review, the licensee did not comply with the section cited above. Director provided lead testing document conducted on 02/2023 for the preschool license which was on the same premise as the afterschool license and share the same drinking/cooking water outlets, which posed a potential health, safety or personal rights risk to persons in care.
Based on interview and record review, the licensee did not comply with the section cited above in 1 out of 1 staff, Director failed to provide file for staff Heuikeong Mun, which posed a potential health, safety or personal rights risk to persons in care.
About this center
Common questions
Does Sunny Hills take infants?
Not under this license, which covers school-age children.
Has Sunny Hills had any serious violations?
No Type A citations since 2021. It has 2 Type B citations, listed above.
How does Sunny Hills compare with other daycares in Buena Park?
It is tied for #18 of 31 centers in Buena Park by weighted citations per inspection, and has more citations per inspection than 55% of California licensed centers with enough inspection history to compare.
When was Sunny Hills last inspected?
Dec 16, 2025. No citations were issued during that visit.
How much does Sunny Hills cost?
California does not publish individual centers’ prices, so ask Sunny Hills for its current tuition. For comparison, the median full-time price at licensed centers in Orange County, which includes Buena Park, was $820 a month for school-age children (about $1,040 today) in the state’s 2021 Regional Market Rate Survey.
Who runs Sunny Hills?
The licensee is Johng Ai Yoo, and the administrator listed with the state is Johng Ai Yoo.
Licensed centers nearby
8252 Artesia Blvd, Buena Park · ZIP 90621 away · 75 spotsMore citations than mostBuena Park Learning Center Preschool
8201 Country Club Drive, Buena Park · ZIP 90621 away · 24 spotsAbout typicalEvergreen Preschool
5882 Beach Blvd, Buena Park · ZIP 90621 away · 60 spotsAbout typicalJesus' Hands Preschool
5621 Beach Blvd., Buena Park · ZIP 90621 away · 90 spotsAmong the most citedPrimus Student Academy
6071 Homewood Avenue, Buena Park · ZIP 90621 away · 24 spotsToo few inspections to compareLimai Montessori Academy
5309 Beach Boulevard, Buena Park · ZIP 90621 away · 163 spotsToo few inspections to compare
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 304270906 on the California Care Facility Search. Data refreshed Oct 2, 2026.