Abbey Montessori Children's Center - Infant

138 N. San Pedro Road, San Rafael, CA 94903 · Marin County

Infant center

Abbey Montessori Children's Center - Infant is a licensed child care center in San Rafael, CA, licensed for up to 12 children and serving infants and toddlers. It has held its California license since 2003. Since February 2021, state licensing staff have inspected it 4 times. The state issued 4 citations, none of them Type A. 2 citations came in the last 12 months. Measured by weighted citations per inspection, it is tied for #19 of 35 centers in San Rafael and has more citations per inspection than 60% of California licensed centers.

Inspection record

More citations than 60% of 10,948 California licensed centers, per inspection, weighted by severity. More citations than most

Tied for #19 of 35 centers in San Rafael

0 Type A citations

4 Type B citations

4 Inspections

0 Complaints investigated

4 citations from 4 state visits since Feb 8, 2021 · 2 in the last 12 months · last inspected May 7, 2026

Every state visit

Citation issued No citation Top row: inspections · bottom row: complaint investigations and other visits

What inspectors cited most

Health & medication 2

Training & qualifications 2

Citations, newest first

Type B May 7, 2026 Inspection Health & medication

Staff immunizations §1596.7995(a)(1)

Based on record review, the licensee did not comply with the section cited above in 1 out of 2 staff members did not have imminuzations records which poses/posed a potential health, safety or personal rights risk to persons in care.

Plan of correction due Jun 5, 2026

Type B May 7, 2026 Inspection Training & qualifications

Mandated reporter training §1596.8662(c)

Based on record review, the licensee did not comply with the section cited above in 1 out of 2 staff members did not have a current mandated reporter certification which poses/posed a potential health, safety or personal rights risk to persons in care.

Plan of correction due May 15, 2026

Type B Mar 8, 2024 Inspection Training & qualifications

Mandated reporter training §1596.8662(b)(1)(1)

Based on interview and record review, the licensee did not comply with the section cited above, which poses/posed a potential health, safety or personal rights risk to children in care.

Plan of correction due Apr 8, 2024

Type B Feb 21, 2023 Inspection Health & medication

Staff immunizations §1596.7995(a)(1)

Based on interview and record review, the licensee did not comply with the section cited above, which poses a potential health, safety or personal rights risk to children in care.

Plan of correction due Mar 21, 2023

About this center

Licensed capacity 12 children

License type Infant center

License status Licensed

Licensed since Mar 17, 2003

Licensee Ma.elizabeth C. Costelo

Administrator Elizabeth Costelo

Phone (415) 479-8865

State facility # 213004841

Parent reviews Google Maps reviews
Not checked by Daycare Record

Other licenses at this address

Abbey Montessori Children's Center - Preschool
Child care center (preschool) · Licensed More citations than most

Common questions

Does Abbey Montessori Children's Center - Infant take infants?

Yes. It is licensed by California as an infant center.

Has Abbey Montessori Children's Center - Infant had any serious violations?

No Type A citations since 2021. It has 4 Type B citations, listed above.

How does Abbey Montessori Children's Center - Infant compare with other daycares in San Rafael?

It is tied for #19 of 35 centers in San Rafael by weighted citations per inspection, and has more citations per inspection than 60% of California licensed centers with enough inspection history to compare.

When was Abbey Montessori Children's Center - Infant last inspected?

May 7, 2026. The state issued at least one citation during that visit.

How much does Abbey Montessori Children's Center - Infant cost?

California does not publish individual centers’ prices, so ask Abbey Montessori Children's Center - Infant for its current tuition. For comparison, the median full-time price at licensed centers in Marin County, which includes San Rafael, was $2,051 a month for infants (about $2,590 today) in the state’s 2021 Regional Market Rate Survey.

Who runs Abbey Montessori Children's Center - Infant?

The licensee is Ma.elizabeth C. Costelo, and the administrator listed with the state is Elizabeth Costelo.

Licensed centers nearby

Abbey Montessori Children's Center - Preschool
138 N. San Pedro Road, San Rafael · under 0.1 mi away · 30 spots More citations than most JCC Preschool San Rafael
200 N. San Pedro Road, San Rafael · 0.3 mi away · 150 spots More citations than most Miss Nicky's Preschool & Toddler Center
159 Merrydale Road, San Rafael · 0.5 mi away · 42 spots About typical Acqua Montessori School
8 N San Pedro Rd, San Rafael · 0.5 mi away · 24 spots More citations than most C.a.m.(Cfs)-old Gallinas Children's Center (Sa)
251 North San Pedro Road, San Rafael · 0.5 mi away · 69 spots More citations than most C.a.m.(Cfs)-old Gallinas Children's Center (Ps)
251 North San Pedro Road, San Rafael · 0.5 mi away · 140 spots More citations than most

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 213004841 on the California Care Facility Search. Data refreshed Oct 3, 2026.

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