Sandcastle Foundation
Preselected recipients only
Sandcastle Foundation is a private foundation in Eden Prairie, Minnesota. In tax year 2025 it gave $940,000 in 41 grants; the typical grant was $15,000 and the largest $75,000. It only gives to organizations it selects itself and does not accept unsolicited applications.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$940,000
- Number of grants41
- Typical grant$15,000
- Largest grant$75,000
- Assets$22.1 million
- New grantees54%
Giving in 2025 was up from $800,000 the year before.
54% of its 2025 grantees had not received a grant from it the year before, a sign it is open to new organizations.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $805,000 | 34 | $15.3 million |
| 2024 | $800,000 | 32 | $19.1 million |
| 2025 | $940,000 | 41 | $22.1 million |
How to apply
Sandcastle Foundation says in its IRS filing that it only makes contributions to preselected organizations, so unsolicited applications are unlikely to be considered. Organizations it funds are usually invited.
What Sandcastle Foundation funds
Where it gives
Its grants went to recipients in 12 states, the most to Minnesota.
| State | Grants | Amount |
|---|---|---|
| Minnesota | 24 | $660,000 |
| Missouri | 4 | $95,000 |
| Montana | 3 | $50,000 |
| New York | 2 | $30,000 |
| Arizona | 1 | $15,000 |
| Illinois | 1 | $15,000 |
| Maine | 1 | $15,000 |
| Oregon | 1 | $15,000 |
| Tennessee | 1 | $15,000 |
| California | 1 | $10,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| University of St Thomas | Unrestricted charitable grant | $75,000 |
| Ujamaa Place | Unrestricted charitable grant | $70,000 |
| African American Child Wellness Institute | Unrestricted charitable grant | $50,000 |
| Washington University | Unrestricted charitable grant | $50,000 |
| Boys and Girls Clubs of the Twin Cities | Unrestricted charitable grant | $40,000 |
| Crescent Cove | Unrestricted charitable grant | $40,000 |
| Constellation Fund | Unrestricted charitable grant | $35,000 |
| Aeon | Unrestricted charitable grant | $30,000 |
| Eden Prairie Community Foundation | Unrestricted charitable grant | $30,000 |
| Planned Parenthood of Minnesota North | Unrestricted charitable grant | $30,000 |
| Summit Academy Oic | Unrestricted charitable grant | $25,000 |
| Veap Inc | Unrestricted charitable grant | $25,000 |
| Achieve Twin Cities | Unrestricted charitable grant | $20,000 |
| Beacon Interfaith Housing | Unrestricted charitable grant | $20,000 |
| Forest Park Forever Inc | Unrestricted charitable grant | $20,000 |
| Legal Rights Center Incorporated | Unrestricted charitable grant | $20,000 |
| People Reaching Out to Other People | Unrestricted charitable grant | $20,000 |
| Simpson Housing Services Inc | Unrestricted charitable grant | $20,000 |
| Twin Cities Habitat for Humanity | Unrestricted charitable grant | $20,000 |
| YMCA | Unrestricted charitable grant | $20,000 |
| American Civil Liberties Union Foundation Inc | Unrestricted charitable grant | $15,000 |
| Can Do Canines | Unrestricted charitable grant | $15,000 |
| Cardinal Glennon Children's Hospital | Unrestricted charitable grant | $15,000 |
| Domestic Abuse Project | Unrestricted charitable grant | $15,000 |
| Make A Wish Foundation | Unrestricted charitable grant | $15,000 |
| National Alliance for Research on Schizophrenia and Depression | Unrestricted charitable grant | $15,000 |
| Ocean Blue Project Inc | Unrestricted charitable grant | $15,000 |
| Paws Chicago | Unrestricted charitable grant | $15,000 |
| Planned Parenthood Great Rivers | Unrestricted charitable grant | $15,000 |
| President and Trustees of Bates | Unrestricted charitable grant | $15,000 |
| St Jude Childrens Research Hospital | Unrestricted charitable grant | $15,000 |
| The Curators of the University of Missouri | Unrestricted charitable grant | $15,000 |
| The Saint Louis Zoo Foundation | Heim wild care park pledge | $15,000 |
| Washburn Center for Children | Unrestricted charitable grant | $15,000 |
| Wild Canid Survival & Research | Unrestricted charitable grant | $15,000 |
| American Immigration Council | Unrestricted charitable grant | $10,000 |
| Americans for Immigrant Justice | Unrestricted charitable grant | $10,000 |
| Children's Hospital and Clinics of Minnesota | Unrestricted charitable grant | $10,000 |
| Hennepin Theatre Trust | Unrestricted charitable grant | $10,000 |
| Quest Scholars Program | Unrestricted charitable grant | $10,000 |
Officers and trustees
- Nancy J Heim
- David Heim
- Michael Heim
- Erik Heim
Questions people ask
Does Sandcastle Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does Sandcastle Foundation give?
$940,000 in tax year 2025, across 41 grants, with a typical grant of $15,000.
Who runs Sandcastle Foundation?
Its 2025 filing lists Nancy J Heim (President), David Heim (Director), Michael Heim (Director) and Erik Heim (Director).
What does Sandcastle Foundation fund?
Based on its grants, mainly education, youth programs and health.