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Peninsula Open Space Trust

Grantmaking foundation in Palo Alto, California · EIN 94-2392007

Total giving
$9.2MTax year 2025
Total assets
$370MLatest reported
Latest IRS filing
2025Form 990 / 990-PF

Mission

POST PROTECTS OPEN SPACE ON THE PENINSULA AND IN THE SOUTH BAY FOR THE BENEFIT OF ALL. POST IS CREATING A NETWORK OF PROTECTED LANDS WHERE PEOPLE AND NATURE CONNECT AND THRIVE. THESE LANDS ARE PRESERVED FOREVER SO PRESENT AND FUTURE GENERATIONS BENEFIT FROM THE CAREFUL... BALANCE OF RURAL AND URBAN LANDSCAPES THAT MAKE OUR REGION EXTRAORDINARY.

Quoted from the foundation's IRS filing.

Giving by year

$7M2020
$7.2M2021
$2.7M2022
$4.3M2023
$10M2024
$9.2M2025

Totals by tax year, rounded to two significant figures. Years without a reported total show the sum of grants itemized on the filing.

Top recipients

RecipientAmountTax year
Santa Clara Valley Habitat Agency$2.2M2023
The Trust for Public Land$300K2023
Santa Clara Valley Open Space Authority$80K2023
La Honda-Pescadero Unified School District$58K2023
Amah Mutsun Land Trust$50K2023

Amounts are rounded. The full grantee list is available with a free account.

Website: www.openspacetrust.org

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Similar foundations in California

Source: IRS Form 990 and 990-PF filings, tax year 2025. Also see this organization on ProPublica Nonprofit Explorer.