Montessori of Rancho Cucamonga · Preschool, Rancho Cucamonga
Montessori of Rancho Cucamonga is a licensed child care center in Rancho Cucamonga, CA, licensed for up to 168 children and serving preschool-age children. It has held its California license since 2014. Since February 2021, state licensing staff have inspected it 5 times and investigated 1 complaint, which was not substantiated. The state issued 5 citations, 1 of them Type A (the most serious). 2 citations came in the last 12 months, including 1 Type A. Measured by weighted citations per inspection, it is tied for #22 of 35 centers in Rancho Cucamonga and has more citations per inspection than 72% of California licensed centers.
Inspection record
Every state visit
What inspectors cited most
Citations, newest first
Based on observation, interview conducted, and records reviewed, the director did not comply with the section cited above as director did not ensure mandated reporter training was completed by the expiration date for one out of five staff present which poses a potential safety risk to children in care.
Based on observation, interview conducted, and records reviewed, the director did not comply with the section cited above as it was revealed S1 has been working at the facility since 02/18/2025 without obtaining a criminal record clearance or exemption which poses an immediate safety risk to children in care. 8 Director understands S1 cannot return to the facility until a criminal record clearance or exemption is obtained. A civil penalty of $500 is being assessed and provided.
Based on record review, the licensee did not comply with the section cited above in which posess a potential health, safety or personal rights risk to persons in care.LPA observed during record review staff's certificates had expired
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. LPA observed the facility did not test for lead by 1/1/23.
101700.3 (b)(2): Licensees shall maintain a lead value at ... 5 ppb in all outlets subject to the testing requirements of these Written Directives... This requirement was not met as evidence by: 1 Facility will implement corrective action pursuant to section CCR 101704 for immediate cessation of outlets testing with action level exceedance until it is replaced and retested pursuant to section CCR 101705 and returns a result at or below the Acton level. Based on records review of required lead testing, the facility had lead values of 5.5 or above on water outlet: K (6.7 ppb); This is a potential health and safety risk to persons in care. 8 Facility will notify CDSS with completion within 30 days by 5/15/23.
How common are lead-in-water citations in San Bernardino County? See the county-by-county report →
Complaint investigations
How often are complaints about daycares in San Bernardino County substantiated? See the county-by-county report →
About this center
Other licenses at this address
Common questions
Does Montessori of Rancho Cucamonga 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 of Rancho Cucamonga had any serious violations?
California issued 1 Type A citation since 2021, its most serious category. The most recent was on Feb 27, 2026, for criminal record clearance. Each citation is listed in full above.
Have there been complaints about Montessori of Rancho Cucamonga?
California investigated 1 complaint since 2021 and substantiated 0. Allegations are shown only for substantiated complaints.
How does Montessori of Rancho Cucamonga compare with other daycares in Rancho Cucamonga?
It is tied for #22 of 35 centers in Rancho Cucamonga by weighted citations per inspection, and has more citations per inspection than 72% of California licensed centers with enough inspection history to compare.
When was Montessori of Rancho Cucamonga last inspected?
Mar 13, 2026. The state issued at least one citation during that visit.
How much does Montessori of Rancho Cucamonga cost?
California does not publish individual centers’ prices, so ask Montessori of Rancho Cucamonga for its current tuition. For comparison, the median full-time price at licensed centers in San Bernardino County, which includes Rancho Cucamonga, was $835 a month for preschoolers (about $1,050 today) in the state’s 2021 Regional Market Rate Survey.
Who runs Montessori of Rancho Cucamonga?
The licensee is Montessori Of Rancho Cucamonga INC., and the administrator listed with the state is Deanna Gomez.
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10213 Base Line Road, Rancho Cucamonga · 0.5 mi away · 28 spots More citations than most KinderCare Learning Center
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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 364842577 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.