Funding search · EIN 942392007 · Palo Alto, CA
Peninsula Open Space Trust
A grantmaking public charity (files IRS Form 990, Schedule I). Charities like this often run real grant programs with application cycles.
- 70
- grants reported
- $15.1M
- total given
- 2021–2024
- filing years
- $16,838
- median grant
Based on grants this organization reported to the IRS for tax years 2021–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
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Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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1 grant matching “tunitas” · $5.3M
- $5.3M
County of San Mateo Parks Department · Redwood City, CA · 2024
Support for construction at tunitas creek beach
Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- County of San Mateo Parks Department1 grant · $5.3M
- Santa Clara Valley Habitat Agency3 grants · $2.6M
- Sempervirens Fund1 grant · $2.0M
- Midpeninsula Regional Open Space District1 grant · $1.5M
- Santa Clara Valley Open Space Authority3 grants · $1.2M
- The Conservation Fund1 grant · $500,000
- The Trust for Public Land1 grant · $300,000
- Green Foothills2 grants · $265,750
- San Mateo Resource Conservation District4 grants · $255,250
- Amah Mutsun Land Trust4 grants · $235,243
Giving over time
Grant history
All 70 reported grants, largest first.
- $5.3M
County of San Mateo Parks Department · Redwood City, CA · 2024
Support for construction at tunitas creek beach
- $2.2M
Santa Clara Valley Habitat Agency · Morgan Hill, CA · 2023
Donation of land fka lakeside ranch, financial assistance to support bates ranch acquisition
- $2.0M
Sempervirens Fund · Los Altos, CA · 2022
Support for the acquisition of the jones gulch property
- $1.5M
Midpeninsula Regional Open Space District · Los Altos, CA · 2022
South cowell value of transferred land
- $977,500
Santa Clara Valley Open Space Authority · San Jose, CA · 2021
Support for the sobratto property acquistion and work in coyote valley
- $500,000
The Conservation Fund · Arlington, VA · 2024
Support for san antonio ranch project in san benito county
- $400,000
Santa Clara Valley Habitat Agency · Morgan Hill, CA · 2022
Support for the acquisition of the gschwend property
- $300,000
The Trust for Public Land · San Francisco, CA · 2023
Financial assistance to support purchase of searle road property
- $205,750
Green Foothills · Palo Alto, CA · 2021
General operating support, including work in and around santa clara county
- $185,000
Climate Resilient Communities · Palo Alto, CA · 2024
Support for general operations
- $100,000
Santa Clara Valley Open Space Authority · San Jose, CA · 2024
Support for agency's work in coyote valley
- $85,243
Amah Mutsun Land Trust · Los Altos, CA · 2021
Native land stewardship research and general operating support
- $81,750
San Mateo Resource Conservation District · Half Moon Bay, CA · 2021
Support for the santa clara county vegetation mapping project
- $80,000
San Mateo Resource Conservation District · Half Moon Bay, CA · 2024
Support for santa cruz mountains stewardship network,event sponsorship and general operations
- $80,000
Santa Clara Valley Open Space Authority · San Jose, CA · 2023
Support for coyote valley conservation area master plan (cvcamp)
- $71,116
La Honda-Pescadero Unified School District · Pescadero, CA · 2022
Annual payment in lieu of taxes to lhpusd
- $60,000
Green Foothills · Palo Alto, CA · 2024
Event sponsorship and support for work in coyote valley and juristac
- $58,373
La Honda-Pescadero Unified School District · Pescadero, CA · 2023
Payment in lieu of property taxes
- $52,100
La Honda-Pescadero Unified School District · Pescadero, CA · 2021
Annual payment in lieu of taxes to lhpusd
- $50,000
Amah Mutsun Land Trust · Los Altos, CA · 2024
Support for general operations
- $50,000
Amah Mutsun Land Trust · Los Altos, CA · 2023
Support for general operations
- $50,000
Amah Mutsun Land Trust · Los Altos, CA · 2022
Support for general operations
- $50,000
California Council of Land Trusts · Sacramento, CA · 2022
Support for ca onward program
- $48,500
San Mateo Resource Conservation District · Half Moon Bay, CA · 2022
Support for santa cruz mountain stewardship network
- $45,000
San Mateo Resource Conservation District · Half Moon Bay, CA · 2023
Support for general operations and santa cruz mountains stewardship network
- $35,000
Together Bay Area · Berkeley, CA · 2024
Event sponsorship and support for conservation land network 3.0 project and general operations
- $33,000
The Regents of the University of California · Santa Cruz, CA · 2022
Sponsorship of coyote valley credits program and ccpba
- $30,000
California Council of Land Trusts · Sacramento, CA · 2023
Sponsorship of ca land and water conservation conference
- $30,000
Epacenter · East Palo Alto, CA · 2023
Support for general operations
- $25,000
California Council of Land Trusts · Sacramento, CA · 2024
Event sponsorship
- $25,000
Santa Clara Valley Habitat Agency · Morgan Hill, CA · 2024
Support for the climate resilience credits program
- $22,500
Muwekma Ohlone Tribe · Castro Valley, CA · 2021
Cultural revitalization project
- $20,000
San Mateo County Parks & Recreation Foundation · San Mateo, CA · 2023
Support for costs sam mcdonald park to the national register of historic places
- $19,136
Land Trust of Santa Cruz County · Santa Cruz, CA · 2023
Support for mastication equipment purchase
- $18,675
California Council of Land Trusts · Sacramento, CA · 2021
General operations
- $15,000
University of California Davis · Davis, CA · 2024
Surrport for santa clara valley agriculture outreach & awareness campaign
- $13,837
Muwekma Ohlone Preservation Foundation the · San Jose, CA · 2024
Support for general operations
- $13,000
Saved By Nature · Campbell, CA · 2024
Support for general operations and sponsorship of community nature hikes
- $10,500
Canopy · Palo Alto, CA · 2024
Support for general operations
- $10,000
Coastal Quest · Berkeley, CA · 2024
Unrestricted contribution for arriba south coast
- $10,000
Epacenter · East Palo Alto, CA · 2024
Support for general operations
- $10,000
Kitchen Table Advisors · Berkeley, CA · 2024
Event sponsorship
- $10,000
Nuestra Casa De East Palo Alto · East Palo Alto, CA · 2024
Support for general operations
- $10,000
Puente De La Costa Sur · Pescadero, CA · 2024
Support for the coastside gives campaign
- $10,000
Sempervirens Fund the · Mountain View, CA · 2024
Event sponsorship
- $10,000
Canopy · Palo Alto, CA · 2023
Support for general operations
- $10,000
Climate Resilient Communities · Palo Alto, CA · 2023
Support for general operations
- $10,000
Multiplier · San Francisco, CA · 2023
Support to develop sustainable farms
- $10,000
Nuestra Casa De East Palo Alto · East Palo Alto, CA · 2023
Support for general operations
- $10,000
Puente De La Costa Sur · Pescadero, CA · 2023
Support for 2024 farmworker convention
- $10,000
Saved By Nature · Campbell, CA · 2023
Support for general operations
- $10,000
Together Bay Area · Berkeley, CA · 2023
2024 conference sponsorship
- $10,000
Saved By Nature · Campbell, CA · 2022
General operations
- $8,500
Pescadero Education Foundation · Pescadero, CA · 2023
Support for pescadero outdoor athletics program
- $8,200
San Benito Agricultural Land Trust · San Juan Bautista, CA · 2023
Support for general operations
- $8,100
Resource Conservation District of Monterey County · Salinas, CA · 2024
Support for central coast prescribed burn association
- $7,500
San Benito Agricultural Land Trust · San Juan Bautista, CA · 2024
Support for general operations
- $7,500
San Benito County Resource Conservation District · Hollister, CA · 2024
Support for general operations
- $7,500
San Benito County Resource Conservation District · Hollister, CA · 2023
Support for general operations
- $7,500
Climate Resilient Communities · Palo Alto, CA · 2022
Support climate resilient communities
- $7,500
Multiplier · San Francisco, CA · 2022
Support to develop sustainable farms
- $7,500
Together Bay Area · Berkeley, CA · 2022
Conference sponsorship
- $7,500
Together Bay Area · Berkeley, CA · 2021
General support
- $6,000
La Honda Educational Foundation · La Honda, CA · 2021
Support for annual harvest dinner
- $5,500
Pescadero Education Foundation · Pescadero, CA · 2024
Support for general operations
- $5,000
Chopsticks Alley Art · San Jose, CA · 2021
Sponsorship of healing guide: art, nature & meditation
- $5,000
Land Trust Alliance · Washington, DC · 2021
Support for rally scholarship fund
- $5,000
Multiplier · San Francisco, CA · 2021
Support for kitchen table advisors
- $5,000
Pie Ranch · Pescadero, CA · 2021
General operations and support for the whole pie event
- $5,000
Puente De La Costa Sur · Pescadero, CA · 2021
General operating support
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990, Schedule I, as filed by this organization. These are grants already paid. Grants paid directly to individuals are reported to the IRS only as totals, so they do not appear as named lines here.

