Tree House Hollow-creekside Campus
Tree House Hollow-creekside Campus is a licensed child care center in Sebastopol, CA, licensed for up to 24 children and serving preschool-age children. It has held its California license since 2007. Since February 2021, state licensing staff have inspected it 2 times. The state issued 1 citation, 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 #55 of 114 centers in Sonoma County and has more citations per inspection than 45% of California licensed centers.
Inspection record
Every state visit
What inspectors cited most
Citations, newest first
101700.3(b)(1) A result with values of 5.5 ppb or greater shall be deemed an Action Level Exceedance. LPA observed that the facility has temporarily removed the affected faucet “A” from service. The facility plans to either replace the faucet and retest and submit test results to LPA or will permenantly cap the water supply. Results to be sent to yang.yang@dss.ca.gov by 04/02/23. Based on a record review, the facility had one faucet (Site “A”) that exceeded the allowable levels of lead in the water. Site A had a reading of 10ppb. This is a potential health and safety risk to children in care. 8
How common are lead-in-water citations in Sonoma County? See the county-by-county report →
About this center
Common questions
Does Tree House Hollow-creekside Campus take infants?
Not under this license, which covers preschool-age children.
Has Tree House Hollow-creekside Campus had any serious violations?
No Type A citations since 2021. It has 1 Type B citation, listed above.
How does Tree House Hollow-creekside Campus compare with other daycares in Sonoma County?
It is tied for #55 of 114 centers in Sonoma County by weighted citations per inspection, and has more citations per inspection than 45% of California licensed centers with enough inspection history to compare.
When was Tree House Hollow-creekside Campus last inspected?
Dec 16, 2025. No citations were issued during that visit.
How much does Tree House Hollow-creekside Campus cost?
California does not publish individual centers’ prices, so ask Tree House Hollow-creekside Campus for its current tuition. For comparison, the median full-time price at licensed centers in Sonoma County, which includes Sebastopol, was $1,150 a month for preschoolers (about $1,450 today) in the state’s 2021 Regional Market Rate Survey.
Who runs Tree House Hollow-creekside Campus?
The licensee is Tree House Hollow Preschool, and the administrator listed with the state is Megan Wilson.
Licensed centers nearby
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7985 Valentine Ave, Sebastopol · 1.1 mi away · 30 spotsToo few inspections to compareCastle Preschool
7601 Huntley Street, Room 28, Sebastopol · 1.3 mi away · 30 spotsNo citationsLittle Ones Children's Center
7789 Healdsburg Avenue, Sebastopol · 1.4 mi away · 72 spotsToo few inspections to comparePleasant Hill Casa Dei Bambini
1000 Gravenstein Hwy N, Sebastopol · 1.9 mi away · 26 spotsNo citations
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 493006802 on the California Care Facility Search. Data refreshed Oct 3, 2026.