Mill Valley · Licensed center
Marin Day School - Mill Valley Preschool
At a glance
- Medium center, licensed for 60 children.
- Run by a for-profit business, which holds the license.
What the state has found
The state cited rules at 2 of its 6 licensing inspections since December 2022.
See each inspection
Licensing inspections
Sep 17, 20261 citation
CCR 101219(f)Type B
“101219 Admission Agreements (f) The licensee shall comply with all terms and conditions set forth in the admission agreement. This requirement is not met as evidenced by: Based on observation, interview, the licensee did not comply with the section cited above where the children enrolled under this facility are present and comingling with another licensed preschool facility (213005254) which poses/posed a potential health, safety or personal rights risk to persons in care.”
CCR 101219(f)
Oct 15, 20251 citation
CCR 101229(a)1Type B
“101229 Responsibility for Providing Care and Supervision a) The licensee shall provide care and supervision as necessary to meet the children's needs. (1) No child(ren) shall be left without the supervision of a teacher at any time, except as specified in Sections 101216.2(e)(1) and 101230(c)(1). Supervision shall include visual observation. This requirement is not met as evidenced by: Based on LPA staff interviews, the children napping in the Panda classroom were left unsupervised when the door closed in between Panda and Seals classroom. This poses a potential health and safety risk to children in care.”
CCR 101229(a)1
- Mar 19, 2025Nothing cited
- Mar 14, 2024Nothing cited
- May 18, 2023Nothing cited
- Dec 7, 2022Nothing cited
The state cited rules at 2 of this center's 6 inspections. Most Bay Area centers inspected 6 times had fewer: 52% of 252 had rules cited at 1 or none.
How all 252 Bay Area centers inspected 6 times compare
Of the 252 Bay Area centers the state inspected 6 times, how many of those inspections cited a rule:
- None17%
- 1 of 635%
- 2 of 631%This center
- 3 of 612%
- 4 of 66%
Read every record and the state’s reports
State record — California CDSS Community Care Licensing
- Last visit
- September 17, 2026
- On file
- 6 visits since December 2022 — 4 cited nothing · 2 complaint investigations
- Most serious
- Type B —
101219 Admission Agreements (f) The licensee shall comply with all terms and conditions set forth in the admission agreement. This requirement is not met as evidenced by: Based on observation, interview, the licensee did not comply with the section cited above where the children enrolled under this facility are present and comingling with another licensed preschool facility (213005254) which poses/posed a potential health, safety or personal rights risk to persons in care.
· September 17, 2026
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 2026 Licensing visit 1 finding
Licensing visit · September 17, 2026
CCR 101219(f) · Type B
101219 Admission Agreements (f) The licensee shall comply with all terms and conditions set forth in the admission agreement. This requirement is not met as evidenced by: Based on observation, interview, the licensee did not comply with the section cited above where the children enrolled under this facility are present and comingling with another licensed preschool facility (213005254) which poses/posed a potential health, safety or personal rights risk to persons in care.
Oct 2025 Licensing visit 1 finding
Licensing visit · October 15, 2025
CCR 101229(a)1 · Type B
101229 Responsibility for Providing Care and Supervision a) The licensee shall provide care and supervision as necessary to meet the children's needs. (1) No child(ren) shall be left without the supervision of a teacher at any time, except as specified in Sections 101216.2(e)(1) and 101230(c)(1). Supervision shall include visual observation. This requirement is not met as evidenced by: Based on LPA staff interviews, the children napping in the Panda classroom were left unsupervised when the door closed in between Panda and Seals classroom. This poses a potential health and safety risk to children in care.
Oct 2022 Complaint 2 of 3 allegations substantiated
Complaint · October 14, 2022
California decided each allegation separately.
Substantiated
- - Staff allowed child with high fever to stay in the classroom with other children
- - Staff allow children with a fever to return without a 24 hour fever free period
Unsubstantiated
- - Staff did not immediately notify child's authorized person of illness
Substantiated: the state found it more likely than not that it happened. Unsubstantiated: the state could not tell whether it happened.
CCR 101226.1a · Type B
The licensee shall be responsible for ensuring that children with obvious symptoms of illness including, but not limited to, fever or vomiting, are not accepted. This requirement is not met as evidenced by: Based on interviews and record reviews, the licensee did not isolate the child immediately while they were ill, which poses a potential health and safety 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) 381-4206
- Address
- 10 Old Mill Street, Mill Valley, 94941
- License
- 213005253
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, and sick and biting policies. 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
The state’s licensing transparency data reports 2 complaint-related visit(s) to this facility, while 1 complaint investigation report(s) are published on the transparency portal. State complaint counts: substantiated=2, inconclusive=0, unsubstantiated=1, unfounded=CONFIDENTIAL, Type A citations=0, Type B citations=1. The state publishes no further detail for the difference.
From California CDSS Community Care Licensing’s published reports, last checked November 5, 2026.
Details
- Phone, Address, License, Who runs it ccld.dss.ca.gov
Medium means the middle half of Bay Area’s 439 licensed centers by state-licensed capacity: 31 to 75 children. Small is 8 to 30; large is 76 to 312.