A small baseball field with a scoreboard and trees behind it

Grant recipient EIN 46-3987449Sports and recreation

Who funds San Mateo High School Athletic Boosters?

2 private foundations gave San Mateo High School Athletic Boosters in San Mateo, CA $231 across 5 grants, in tax years 2020 to 2024.

Grants listed on funders’ 990-PF returns for tax years 2020 to 2024, read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

Grants received by year

Grants from private foundations by the funder’s tax year. The latest year is in blue; it is not complete until all its returns reach the IRS.

Every foundation grant, by year

5 grants

Each line as the funder listed it on its return, newest year first, then largest.

  1. GAM FoundationHillsborough, CA 2024

    Youth community building

    $150
  2. Amazonsmile FoundationSeattle, WA 2023

    General support

    $32
  3. Amazonsmile FoundationSeattle, WA 2022

    General support

    $6
  4. Amazonsmile FoundationSeattle, WA 2021

    General support

    $14
  5. Amazonsmile FoundationSeattle, WA 2020

    General support

    $29

Funders of similar organizations nearby

Foundations that gave to other sports and recreation organizations in San Mateo, CA and are not among San Mateo High School Athletic Boosters’s funders above.

  1. Rong Rong Family FoundationCupertino, CA 6 grants Preselected only $250,300 to similar organizations
  2. Atkinson FoundationSan Francisco, CA 4 grants Accepts applications $40,000 to similar organizations
  3. Bothin FoundationSan Francisco, CA 1 grant Accepts applications $30,000 to similar organizations
  4. Gordon E and Betty I Moore FoundationPalo Alto, CA 1 grant Preselected only $25,000 to similar organizations
  5. Quest FoundationDanville, CA 2 grants Preselected only $20,000 to similar organizations
  6. Arjay R and Frances F Miller FoundationWoodside, CA 2 grants Preselected only $15,000 to similar organizations
  7. John J Moller Family FoundationWilmington, DE 1 grant Preselected only $5,720 to similar organizations
  8. Sammut Family FoundationSan Bruno, CA 3 grants Preselected only $2,500 to similar organizations

About this match

Funders write a recipient’s name and address, not its EIN. We matched these grants to EIN 46-3987449 by name and ZIP code against the IRS list of exempt organizations and our list of filers. Grants we could not tie to one organization are not counted here.