Sandstone Foundation Inc
Invitation OnlyMilwaukee, Wisconsin · EIN 26-1591945 · Private foundation
Grants paid (2025)$101K
Organizations funded10
Typical grant$2,000
Total assets$81K
Half of its grants to organizations were between $2,000 and $20,000.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
20% of grants went outside Wisconsin.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Gps Education Partners | Waukesha, WI | Program support | $35,000 |
| Museum of Wisconsin Art | West Bend, WI | Program support | $30,200 |
| Milwaukee Institute of Art and Design Inc | Milwaukee, WI | Program support | $20,000 |
| Milwaukee Art Museum | Milwaukee, WI | Program support | $5,000 |
| Urban Ecology Center Inc | Milwaukee, WI | Program support | $2,500 |
| Economics Wisconsin | Mequon, WI | Program support | $2,000 |
| Milwaukee School of Engineering | Milwaukee, WI | Program support | $2,000 |
| Sojourner Truth House Inc | Hobart, IN | Program support | $2,000 |
| Meta House Inc | Milwaukee, WI | Program support | $1,000 |
| St George Village Botanical Garden of St Croix Inc | Saint Croix, VI | Program support | $1,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $100,700 | 10 |
| 2024 | $35,500 | 6 |
| 2023 | $28,000 | 8 |
Sources
- IRS Form 990-PF, tax year 2025, filed Aug 4, 2026 - IRS e-file batch, object ID 202612169349100311
- IRS Tax Exempt Organization Search for EIN 26-1591945
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.