Preschool Programs

Registration for the 2026-2027 School Year Opens March 2026

Image of Building Blocks Logo
  1. 1 Photo of preschool students playing at a table.
  2. 2 Innovators Project
  3. 3 Innovators Drawing
  4. 4 Photo of preschoolers playing with slime.
  5. 5 Photo of preschoolers playing in the sand.
  6. 6 Photo of Preschool Teachers in Half Moon Bay at a field trip.

For over 20 years, the Building Blocks Preschool Programs have been dedicated to providing a safe environment for each child to grow emotionally, physically, socially, and intellectually. In our programs, each child is recognized and respected as an individual, and each is nurtured and cherished.

  1. How to Register
  2. Payment
  3. Recreation Fee Assistance
  4. Preschool Tours

Building Blocks Explorers: Ages 2 – 3 years

This class offers an opportunity for your child to learn independence, participate in social activities, movement, and exploration with our trained Building Blocks teachers. Further details regarding program offerings can be found on our registration website:

Building Blocks Discovers: Age 3 – 5 years 

Children in our Discoverers program will be exposed to social, cognitive, and physical activities that promote lifelong exploration and learning. Curriculum will include hands-on learning activities, early literacy and math skills, and group play opportunities. Your child will graduate from this foundational program well-adjusted and ready for Transitional Kindergarten. Further details regarding program offerings can be found on our registration website:

Building Blocks Lunch Buddies: Age 3 – 5 years

In this one-hour program, your child will enjoy lunch from home in a calm, social setting. Children will practice independence, table manners, and positive peer interactions while engaging in quiet, developmentally appropriate activities.Further details regarding program offerings can be found on our registration website:

Browse out most recent Activity Guide for program and class information including dates and times. 

Innovators Butterfly Art

Building Blocks Parent Handbook


Still have questions? Please email Senior Program Assistant, Jessica Lira at jlira@cityofsanmateo.org with any questions.