Daycare RecordChild care inspection records

Guidepost Montessori At Mill Valley · 270 Miller Ave, Mill Valley

270 Miller Ave, Mill Valley, CA 94941 · Marin County
1 substantiated complaintChild care center (preschool)

Guidepost Montessori At Mill Valley is a licensed child care center in Mill Valley, CA, licensed for up to 25 children and serving preschool-age children. It has held its California license since 2020. Since February 2021, state licensing staff have inspected it 2 times and investigated 1 complaint, 1 of them substantiated. 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 #12 of 17 centers in Mill Valley and has more citations per inspection than 45% of California licensed centers.

Inspection record

More citations than 45%of 10,948 California licensed centers, per inspection, weighted by severity. About typical
Tied for #12 of 17 centers in Mill Valley
0Type A citations
1Type B citations
2Inspections
1 of 1Complaints substantiated
1 citation from 5 state visits since Feb 8, 2021 · 0 in the last 12 months · last inspected Jun 19, 2025

Every state visit

20222023202420252026INSPECTIONS (top) · REPORTS & INVESTIGATIONS (bottom)Jun 19, 2025 · Inspection · no citationFeb 4, 2025 · Report/investigation · no citationMay 20, 2024 · Inspection · no citationFeb 15, 2024 · Report/investigation · no citationDec 1, 2021 · Report/investigation · citation found
Citation issuedNo citationTop row: inspections · bottom row: complaint investigations and other visits

What inspectors cited most

Staff ratios1

Citations, newest first

Type BDec 1, 2021Complaint investigationStaff ratios
Capacity limits §101161(a)
Per director, facility will cease operations or gain approval from regional office of Home Pods by the end of the month . Facility to send documentation of next direction of facility. Based off of interview with Director of Compliance, facility has been operating within 5 home pods since the beginning of the november. This poses an potential health and safety risk to children in care.
Plan of correction due Dec 31, 2021

Complaint investigations

SubstantiatedDec 1, 2021Complaint investigationreceived Nov 22, 2021
Substantiated allegation:
Care and Supervision provided off of licensed premises
1 citation issued during this investigation, listed under Citations.

How often are complaints about daycares in California substantiated? See the county-by-county report →

About this center

Licensed capacity25 children
License typeChild care center (preschool)
License statusLicensed
Licensed sinceMar 5, 2020
LicenseeGuidepost A LLC
AdministratorKira Rivera
Phone(949) 354-2259
State facility #214005503

Other licenses at this address

Common questions

Does Guidepost Montessori At Mill Valley take infants?

Not under this license, which covers preschool-age children. An infant center is licensed separately at the same address (listed below).

Has Guidepost Montessori At Mill Valley had any serious violations?

No Type A citations since 2021. It has 1 Type B citation, listed above.

Have there been complaints about Guidepost Montessori At Mill Valley?

California investigated 1 complaint since 2021 and substantiated 1. Allegations are shown only for substantiated complaints.

How does Guidepost Montessori At Mill Valley compare with other daycares in Mill Valley?

It is tied for #12 of 17 centers in Mill Valley 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 Guidepost Montessori At Mill Valley last inspected?

Jun 19, 2025. No citations were issued during that visit.

How much does Guidepost Montessori At Mill Valley cost?

California does not publish individual centers’ prices, so ask Guidepost Montessori At Mill Valley for its current tuition. For comparison, the median full-time price at licensed centers in Marin County, which includes Mill Valley, was $1,683 a month for preschoolers (about $2,120 today) in the state’s 2021 Regional Market Rate Survey.

Who runs Guidepost Montessori At Mill Valley?

The licensee is Guidepost A LLC, and the administrator listed with the state is Kira Rivera.

Licensed centers nearby

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 214005503 on the California Care Facility Search. Data refreshed Oct 3, 2026.