Sandcastle Foundation is a private, independent foundation based in Eden Prairie, Minnesota. Established in 2018, it operates as a non-operating foundation focused on grantmaking in human services and related areas.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$10.7M
+7.5% YoY
Annual Giving
$800K
-0.6% YoY
Grant Count
32
-5.9% YoY
Avg Grant Size
$25K
+5.6% YoY
Mission & Focus Areas
The foundation's primary funding interests include:
- Education
- Human Services
- Philanthropy, Voluntarism & Grantmaking
- Science and STEM Education
Grantmaking
The foundation operates on a preselected grantee model, typically selecting recipients rather than accepting unsolicited proposals.
Grant Range
$5,000–$75,000
Average Grant
amount: $19,000
How to Apply
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Geographic Focus
Where this funder awards grants
The foundation primarily supports organizations in:
- Minnesota
- Missouri
- Maine
- Oregon
These states account for approximately 94% of all grants. Grantmaking reaches organizations across five states total.
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
Assets & Income:
- Total assets (2024): $10.7 million–$19 million
- Total assets (2023): $9.97 million
- Total assets (2019): $5.9 million
- Annual income (most recent): $3.2 million
- 2023 revenue: $1.54 million
- 2023 expenses: $863,000
- Total liabilities (2023): $3,600
Tax Status:
- 501(c)(3) organization
- Tax-exempt since March 2018
- EIN: 81-2450108
- Contributions are tax-deductible
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $10,719,869 | $9,972,369 | $9,295,143 |
| Revenue | $1,620,960 | $1,539,960 | $1,308,132 |
| Expenses | $873,460 | $862,734 | $655,254 |
| Qualifying Distributions | $821,606 | $822,752 | $615,956 |
| Net Investment Income | $461,057 | $412,400 | $152,702 |
| Distributable Amount | $837,058 | $658,027 | $600,911 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
163 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Leadership team and compensation from IRS filings
Officers and Trustees:
- Nancy J. Heim — President
- David Heim — Director
- Michael Heim — Director
- Erik Heim — Director
(Leadership structure indicates four officers/trustees governing the foundation)
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| NANCY J HEIM | PRESIDENT | 10 | — |
| DAVID HEIM | DIRECTOR | — | — |
| MICHAEL HEIM | DIRECTOR | — | — |
| ERIK HEIM | DIRECTOR | — | — |
Contact Information
Address: 9427 Olympia Drive Eden Prairie, MN 55347-2845
Telephone: 952-944-8586
Subject Areas
Focus areas based on grantmaking activity
Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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