Private foundation · EIN 23-7017100 · Castle Rock, Colorado

Heritage Mark 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: 2 grants paid, $350K total, median $175K. 100% of grants stayed in Colorado.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
2
$350K
Median grant
$175K
Stays in CO
100%
of grants
Deadline
—
Assets
$16M

Grants paid in 2025

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

RecipientPurposeAmount
Colorado Patient Care FundAurora, COGeneral$200K
The Michael J Rinder Aftermath FoundationCastle Rock, COGeneral$150K

About this foundation

Heritage Mark Foundation is a private grantmaking foundation in Castle Rock, Colorado, tax-exempt since 1969. 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 Heritage Mark 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 Heritage Mark Foundation give each year?

In tax year 2025 it paid $350K across 2 grants, a median of $175K.

Where does Heritage Mark Foundation give?

Colorado (2 grants), per its latest filing.

More foundations near Castle Rock that accept applications

All in Colorado
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Melvin & Elaine Wolf Foundation Incsince 1979 Castle Rock, CO $367K33 grants · 2024 $10KPreselected only $7.9M
Lillis Foundationsince 2001 Castle Rock, CO $372K101 grants · 2024 $2,500Preselected only $5.2M
Cheryl McArthur Foundationsince 2013 Castle Rock, CO — —Preselected only $3.6M
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Gene and Maxine Rosenfeld Family Foundationsince 2004 Castle Rock, CO $61K7 grants · 2024 $5,000Preselected only $2.2M
With a Childs Heart Foundationsince 2000 Castle Rock, CO — —Preselected only $1.6M
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