# Mt. San Antonio College Child Development Center

> Preschool · Walnut. The Child Development Center at Mt. San Antonio College is licensed to the Mt. San Antonio Community College District, which runs the center from 1100 North Grand Avenue in Walnut. California has licensed the site since May 18, 1992. The center has a preschool room and an infant center under separate licenses.
- Ages: Up to age 5
- Price: ask the provider
- Address: 1100 N. Grand Ave., Bldg. 70, Walnut, CA 91789
- Phone: (909) 274-4920
- On Summerground: https://summerground.com/walnut/mt-san-antonio-college-child-development-center

## Child Development Center Preschool

Ages 2–5

The Child Development Center at 1100 North Grand Avenue, Building 70, in Walnut, zip 91789, is a state-licensed Day Care Center for preschool-age children. California has licensed the site since May 18, 1992, for up to 182 children, the largest capacity of the Walnut centers listed here. The licensee is the Mt. San Antonio Community College District. The same building also holds a separately licensed infant center, so families with babies and toddlers can find both under one address.

## Child Development Center Infant Center

Up to age 2

The infant center of the Child Development Center at 1100 North Grand Avenue, Building 70, in Walnut, zip 91789, is a state-licensed Infant Center for babies and toddlers from birth to age 2. California has licensed the site since May 18, 1992, for up to 69 children. The licensee is the Mt. San Antonio Community College District. Its preschool, licensed separately for up to 182 children, is in the same building.

Details from California Community Care Licensing, checked October 9, 2026. Confirm prices and dates with the provider before signing up.