San Mateo Montessori
San Mateo Montessori is a licensed child care center in San Mateo, CA, licensed for up to 21 children and serving preschool-age children. It has held its California license since 1999. Since February 2021, state licensing staff have inspected it 4 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 #16 of 55 centers in San Mateo and has fewer citations per inspection than 61% of California licensed centers.
Inspection record
Every state visit
What inspectors cited most
Citations, newest first
Based on record review of the water sampling database, the facility was not in compliance with the above as of the initial water results uploaded on 12/14/2022. This posed a potential health, safety, or personal rights risk to persons in care. 8 The deficiency cited today will be cleared once the results are uploaded onto the water sampling portal by the laboratory.
How common are lead-in-water citations in San Mateo County? See the county-by-county report →
About this center
Common questions
Does San Mateo Montessori take infants?
Not under this license, which covers preschool-age children.
Has San Mateo Montessori had any serious violations?
No Type A citations since 2021. It has 1 Type B citation, listed above.
How does San Mateo Montessori compare with other daycares in San Mateo?
It is tied for #16 of 55 centers in San Mateo by weighted citations per inspection, and has fewer citations per inspection than 61% of California licensed centers with enough inspection history to compare.
When was San Mateo Montessori last inspected?
Jun 10, 2026. No citations were issued during that visit.
How much does San Mateo Montessori cost?
California does not publish individual centers’ prices, so ask San Mateo Montessori for its current tuition. For comparison, the median full-time price at licensed centers in San Mateo County, which includes San Mateo, was $1,619 a month for preschoolers (about $2,040 today) in the state’s 2021 Regional Market Rate Survey.
Who runs San Mateo Montessori?
The licensee is Tina Marie Prozell, and the administrator listed with the state is Tina Prozell.
Licensed centers nearby
1311 So. El Camino Real, San Mateo · under 0.1 mi away · 24 spotsMore citations than mostPapillon Preschool Managed By Bright Horizons
1311 So. El Camino Real, San Mateo · under 0.1 mi away · 84 spotsMore citations than mostLittle Footsteps
1501 S. El Camino Real, San Mateo · under 0.1 mi away · 42 spotsNo citationsCentennial Montessori School
27 Tenth Avenue, San Mateo · 0.2 mi away · 60 spotsNo citationsA+ Immersion Preschool
1501 South B Street, San Mateo · 0.3 mi away · 30 spotsMore citations than mostBeresford Montessori
1717-1719 Gum Street, San Mateo · 0.3 mi away · 41 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 414000798 on the California Care Facility Search. Data refreshed Oct 3, 2026.
Comparing centers? See how to choose a daycare: 30 questions to ask and a printable checklist.