AI Summary
ARRILLAGA FOUNDATION is a 501(c)(3) grantmaker that reported $9.5M in total grants paid to 43 grantees in 2024, with a focus on Foundations. It is open for unsolicited proposals; prospective applicants should review the How to Apply section of the current profile page to assess fit.
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Cause Areas
1
Foundations
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Explore this org's ecosystem
See top causes for this funder's grantees, who else funds them, and their grants.
Learn about Ecosystems
Grantee
Total Funding
Funding Share

MENLO COLLEGE
ATHERTON, CA
$13.5M
28%
'IOLANI SCHOOL
HONOLULU, HI
$5M
10%
SAN MATEO COUNTY SHERIFF'S OFFICE FOUNDATION
Redwood City, CA
$3.5M
7%
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Total No. of Grants
53
Median 1st year grant
$25K
Median 2nd year grant
$17.5K
Top 3 Grants
Matched grants only
Grantee
Grant Size
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- 76 grantees
- 7 board & team members
- 11 historic 990s & financials
- 6-year operating budget trend
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Frequently Asked Questions
Can I submit an unsolicited grant proposal to ARRILLAGA FOUNDATION?
Yes. ARRILLAGA FOUNDATION accepts unsolicited proposals for funding. You can find details in the How to Apply section on this profile.
Where does ARRILLAGA FOUNDATION give?
ARRILLAGA FOUNDATION primarily gives to organizations located in California, Hawaii, and Rhode Island. These states represent the largest share of the foundation’s grantmaking by dollars awarded. Additional geographic details are available to registered users.
What size are ARRILLAGA FOUNDATION’s grants?
The largest share of grants from ARRILLAGA FOUNDATION fall in the $5,000 to $25 thousand range. The median first-year grant is about $25 thousand. More detailed grant size data is available to registered users.
How many grants does ARRILLAGA FOUNDATION make each year?
In 2024, ARRILLAGA FOUNDATION awarded about 50 grants, totaling nearly $9.5 million. More detailed grant metrics are available to registered users.
Who did ARRILLAGA FOUNDATION fund recently?
In 2024, ARRILLAGA FOUNDATION awarded grants to about 80 grantees. Recent grantees include MENLO COLLEGE, 'IOLANI SCHOOL, and SAN MATEO COUNTY SHERIFF'S OFFICE FOUNDATION. More detailed information on all recent recipients is available to registered users.
How do we apply to ARRILLAGA FOUNDATION?
You can find details on how to apply in the How to Apply section on this profile.
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