Montessori School of the Bay Area, INC.
Montessori School of the Bay Area, INC. is a licensed child care center in San Francisco, CA, licensed for up to 48 children and serving preschool-age children. It has held its California license since 1991. Since February 2021, state licensing staff have inspected it 4 times. The state issued 2 citations, none of them Type A. 1 citation came in the last 12 months. Measured by weighted citations per inspection, it is tied for #202 of 344 centers in San Francisco and has more citations per inspection than 45% of California licensed centers.
Inspection record
Every state visit
What inspectors cited most
Citations, newest first
Based on record review, the licensee did not comply with the section cited above which poses a potential health, safety or personal rights risk to persons in care.
Based on observation, interview and record review, the facility did not ensure to maintain a level to be under 5 ppb at water fountains in classrooms. This poses a potential health, safety or personal rights risk to persons in care. 8 Facility must have running water for A30 Facucet until faucet is retested with a certified water sampler by 02/26/2024. Once retest is done, faciity representative will submit retest result to the department.
How common are lead-in-water citations in San Francisco County? See the county-by-county report →
About this center
Other licenses at this address
Common questions
Does Montessori School of the Bay Area, INC. take infants?
Not under this license, which covers preschool-age children. An infant center is licensed separately at the same address (listed below).
Has Montessori School of the Bay Area, INC. had any serious violations?
No Type A citations since 2021. It has 2 Type B citations, listed above.
How does Montessori School of the Bay Area, INC. compare with other daycares in San Francisco?
It is tied for #202 of 344 centers in San Francisco 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 Montessori School of the Bay Area, INC. last inspected?
Apr 16, 2026. The state issued at least one citation during that visit.
How much does Montessori School of the Bay Area, INC. cost?
California does not publish individual centers’ prices, so ask Montessori School of the Bay Area, INC. for its current tuition. For comparison, the median full-time price at licensed centers in San Francisco County, which includes San Francisco, was $1,735 a month for preschoolers (about $2,190 today) in the state’s 2021 Regional Market Rate Survey.
Who runs Montessori School of the Bay Area, INC.?
The licensee is Montessori School Of The Bay Area, INC., and the administrator listed with the state is Vasi Thathiah.
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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 380505730 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.