Private foundation · EIN 85-4242730 · Sunny Isl Bch, Florida · Philanthropy & grantmaking

Seidensticker Family Foundation

Should you approach them?

Don't send a cold proposal. The foundation reports that it only gives to preselected organizations; an introduction through a current grantee or board member is the realistic route.

From the 2025 Form 990-PF: 4 grants paid, $328K total, median $37K.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
4
$328K
Median grant
$37K
Stays in FL
—
of grants
Deadline
—
Assets
$1.7M

Grants paid in 2025

4 grants, all shown · from Form 990-PF Part XV

RecipientPurposeAmount
Turning Point USAPhoenix, AZGeneral$250K
Big GreenDenver, COGeneral$47K
Fidelity Investments Charitable Gift FundBoston, MAGeneral$28K
Leukemia and Lymphoma SocietySanta Clara, CAGeneral$4,000

By state: Arizona 1 · Colorado 1 · Massachusetts 1 · California 1

About this foundation

Seidensticker Family Foundation is a private grantmaking foundation in Sunny Isl Bch, Florida, tax-exempt since 2021. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

All filings on ProPublica

Does Seidensticker Family Foundation accept grant applications?

No. On its 2025 Form 990-PF the foundation checked that it only makes contributions to preselected organizations. Look for an introduction through a current grantee.

How much does Seidensticker Family Foundation give each year?

In tax year 2025 it paid $328K across 4 grants, a median of $37K.

Where does Seidensticker Family Foundation give?

Arizona (1 grants), Colorado (1 grants), Massachusetts (1 grants) and elsewhere, per its latest filing.

More foundations near Sunny Isl Bch that accept applications

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Sierra Foundation Incsince 1996 Sunny Isl Bch, FL $5.1M1 grants · 2024 $5.1MPreselected only $7.5M
E Evan Foundation Incsince 1986 Sunny Isl Bch, FL $302K20 grants · 2024 $4,000Preselected only $2.7M
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