Preschool Programs

Registration for the 2026-2027 School Year Opens March 2026

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  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.

See the most recent Activity Guide for more program and class information. 

Preschool tours for the 2026-2027 School Year can be done by appointment with our Youth Services Coordinator, Christine Cooke, at ccooke@cityofsanmateo.org or (650) 522-7444.

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

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How to Register - Step 1

Browse through classes/programs we offer:

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How to Register - Step 2

In-Person Registration: Fill out the registration form below.

For Online Registration: Visit www.sanmateorec.org. 

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How to Register - Step 3

Online Registration: Use link below to register

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How to Register - Step 4

  • Registration is now open for 2025-26 school year. You may register in-person at one of our recreation centers or online.
  • Registration after July 10, 2025, will not be available online. Please contact our Sr. Program Assistant, Jessica Lira, at jlira@cityofsanmateo.org or (650) 522-7447. 
Innovators Butterfly Art

Building Blocks Parent Handbook

Recreation Fee Assistance (RFA)

We offer fee assistance for qualifying San Mateo residents. 

Recreation Fee Assistance Form 2025-27 (English)

Programa de Ayuda Financiera para Cuotas de Recreación  - Solicitud (Spanish)

Please note that Fee Assistance must be approved prior to registering your child. Please email parksandrecreation@cityofsanmateo.org for more information.