Mill Valley · Licensed center
Marin Horizon School- Toddler Bldg.
At a glance
- Small center, licensed for 18 children.
What the state has found
The state cited rules at 1 of its 4 licensing inspections since June 2022.
See each inspection
Licensing inspections
- Nov 19, 2025Nothing cited
Sep 27, 20242 citations
HSC 1597.16(a)(1)Type B
“(1) A licensed child day care center, as defined in Section 1596.76, that is located in a building that was constructed before January 1, 2010, shall have its drinking water tested for lead contamination levels on or after January 1, 2020, but no later than January 1, 2023, and every five years after the date of the initial test. This requirement is not met as evidenced by: Based on record review, the licensee did not comply with the section cited above by testing after the deadline of 1/1/2023 which posed a potential health, safety or personal rights risk to persons in care.”
HSC 1597.16(a)(1)
CCR 101221(a)Type B
“(a) The licensee shall ensure that a separate, complete and current record for each child is maintained in the child care center. This requirement is not met as evidenced by: Based on observation, interview and record review, the licensee did not comply with the section cited above by maintaining children's records off site which poses a potential health, safety or personal rights risk to persons in care.”
CCR 101221(a)
- Nov 30, 2023Nothing cited
- Jun 16, 2022Nothing cited
The state cited rules at 1 of this center's 4 inspections. Bay Area centers inspected 4 times split three ways: 41% had fewer, 38% the same, and 21% more (569 centers).
How all 569 Bay Area centers inspected 4 times compare
Of the 569 Bay Area centers the state inspected 4 times, how many of those inspections cited a rule:
- None41%
- 1 of 438%This center
- 2 of 415%
- 3 of 46%
- All 41%
Read every record and the state’s reports
State record — California CDSS Community Care Licensing
- Last visit
- November 19, 2025
- On file
- 4 visits since June 2022 — 3 cited nothing
- Most serious
- No finding carrying a severity level in the last 24 months.
California CDSS publishes the full investigation narrative for a complaint, including its disposition, and classifies a citation Type A — an immediate risk to a child — or Type B.
Sep 2024 Licensing visit 2 findings
Licensing visit · September 27, 2024
HSC 1597.16(a)(1) · Type B
(1) A licensed child day care center, as defined in Section 1596.76, that is located in a building that was constructed before January 1, 2010, shall have its drinking water tested for lead contamination levels on or after January 1, 2020, but no later than January 1, 2023, and every five years after the date of the initial test. This requirement is not met as evidenced by: Based on record review, the licensee did not comply with the section cited above by testing after the deadline of 1/1/2023 which posed a potential health, safety or personal rights risk to persons in care.
CCR 101221(a) · Type B
(a) The licensee shall ensure that a separate, complete and current record for each child is maintained in the child care center. This requirement is not met as evidenced by: Based on observation, interview and record review, the licensee did not comply with the section cited above by maintaining children's records off site which poses a potential health, safety or personal rights risk to persons in care.
Shortlist replaces people’s names in the state’s text with initials. This is done by rule, not by hand, so it can miss a name or shorten a word that isn’t one. The state’s report, linked on each row, has the original.
Details
- Phone
- (415) 388-8408
- Address
- 247 Miller Avenue, Mill Valley, 94941
- License
- 214005263
We couldn’t find some information that may matter to your decision: openings, child care subsidies, cost, hours and late pickup, teaching approach, ratios and staff, a typical day, sick and biting policies, and who owns it. We can ask the program for you and copy you in.
Sources and dates
Where every fact on this page came from, and when Shortlist last checked it against that source. Anything Shortlist could not source is named here rather than left blank.
All checked November 2026.
State record
From California CDSS Community Care Licensing’s published reports, last checked November 5, 2026.
Details
- Phone, Address, License ccld.dss.ca.gov
Small means the smallest quarter of Bay Area’s 439 licensed centers by state-licensed capacity: 8 to 30 children. Medium is 31 to 75; large is 76 to 312.