Daycares in Ontario, California
Data Freshness & Provenance
Inspection coverage
60 of 68 tracked providers have inspection history
Active providers
59 providers appear active in this market
Last refreshed
April 3, 2026
Latest inspection
February 23, 2026
Provenance
California licensing records, inspections, and DaycareCheck scoring
City Snapshot
Ontario currently has 68 tracked providers. 60 have inspection history, 59 appear active, and 56% of the market holds an A or B grade. The latest inspection in the dataset is February 23, 2026.
Updated April 3, 2026 from California licensing records, inspections, and DaycareCheck scoring.
ONTARIO-MONTCLAIR YMCA - ELDERBERRY SCHOOL SITE
950 N. ELDERBERRY
KID'S CLUB
1825 N. VINEYARD
SIRIWARDENA FAMILY CHILD CARE
ONTARIO, CA 91762
OMSD/EL CAMINO ELEMENTARY SCHOOL
1525 W. 5TH STREET
MABINI FAMILY CHILD CARE
ONTARIO, CA 91761
OMSD/SULTANA ELEMENTARY SCHOOL
1845 SOUTH SULTANA AVENUE
ONTARIO-MONTCLAIR YMCA RANCH VIEW
3300 OLD RANCH VIEW RD
GARCIA FAMILY CHILD CARE
ONTARIO, CA 91761
OMSD/BON VIEW ELEMENTARY SCHOOL
2121 SOUTH BON VIEW AVENUE
REDEEMER LUTHERAN PRESCHOOL
920 W. 6TH STREET
ONTARIO CHRISTIAN ACADEMY LEARNING INSTITUTE
1336 N BAKER AVE
ONTARIO-MONTCLAIR YMCA/MTN VIEW CHILD CARE SITE
2825 EAST WALNUT STREET
PSD/WESTMINSTER HEAD START
720 N. SULTANA AVENUE
OMSD/CORONA ELEMENTARY SCHOOL
1140 N. CORONA AVENUE
GREEN FAMILY CHILD CARE
ONTARIO, CA 91762
OMSD/HAWTHORNE ELEMENTARY SCHOOL
705 WEST HAWTHORNE STREET
SBCSS LIVE OAK STATE PRESCHOOL BLDG. C01
2547 EAST RIVERSIDE DRIVE
GREEN FAMILY CHILD CARE
ONTARIO, CA 91761
OMSD/HAYNES ELEMENTARY SCHOOL
715 WEST FRANCIS STREET
SERNA FAMILY CHILD CARE
ONTARIO, CA 91762
Home Daycares in Ontario
Browse 27 home-based providers.
Childcare Cost Calculator
Compare costs in your area by age group and care type.
How to Choose a Safe Daycare
A parent's guide to evaluating childcare.
What the daycare market looks like in Ontario
Ontario currently has 68 daycares in our directory. 56% of the market earns an A or B safety grade. Use this page to compare inspection history, provider mix, and local cost context before you start touring.
56%
A or B safety grades
41
Center-based providers
0
Accredited or Head Start providers
$1,175/mo
Infant center cost in SAN BERNARDINO
Market Notes
The current top-scoring provider in this city is PSD/WESTMINSTER HEAD START with a A grade and a 100.0 score.
Common provider types in Ontario include FAMILY DAY CARE HOME, DAY CARE CENTER, SCHOOL AGE DAY CARE CENTER.
The average provider in this market has 8.5 recorded violations, while 25 providers currently show none in the data we track.
Local cost and care context
SAN BERNARDINO accounts for the largest share of providers we track in Ontario, so its pricing is the best local benchmark on this page.
Infant Center
$1,175/mo
Preschool Center
$877/mo
Toddler Home Daycare
$670/mo
California regulation snapshot
Inspection frequency
At least once every five years for centers with a clean compliance record. Random and unannounced visits occur throughout the licensing period. Complaint-driven inspections happen at any time.
Background checks
All staff, volunteers, and household members age 18 and older must clear a criminal background check through the California Department of Justice and the FBI. This includes fingerprint-based Live Scan checks. Subsequent arrest notifications are monitored continuously.
Parent rights
Parents have the right to visit their child's facility unannounced during operating hours. Licensing inspection reports and substantiated complaint records are public and available through the CCLD website.
How to use this page
Safety grades are derived from official state inspection records, not reviews or sponsored placement.
Repeated and severe violations weigh more heavily than isolated paperwork issues.
Filters are best used after you understand the full city baseline on the default ranking view.
Frequently asked questions about daycare in Ontario
How does DaycareCheck rank daycares in Ontario?
We rank providers in Ontario using official state inspection records. Health, safety, staffing, and compliance findings are converted into a composite score, and severe or repeated violations hurt more than isolated minor issues.
What should parents compare first when choosing daycare in Ontario?
38 of the 68 providers in this market currently hold an A or B safety grade, but grade alone is not enough. Start with higher-scoring providers, then compare the full inspection timeline, repeated violations, staffing patterns, and whether the program type actually fits your child and schedule.
Are there home daycare or Head Start options in Ontario?
Ontario currently shows 27 home-based providers and 0 Head Start sites in the directory. California rules still apply: At least once every five years for centers with a clean compliance record. Random and unannounced visits occur throughout the licensing period. Complaint-driven inspections happen at any time.