Sandstone Foundation
Preselected recipients only
Sandstone Foundation is a private foundation in Mayfield HTS, Ohio. In tax year 2025 it gave $198,503 in 26 grants; the typical grant was $2,778 and the largest $37,516. 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$198,503
- Number of grants26
- Typical grant$2,778
- Largest grant$37,516
- Assets$1.4 million
- New grantees58%
Giving in 2025 was up from $85,448 the year before.
58% 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 | $245,454 | 24 | $715,155 |
| 2024 | $85,448 | 18 | $943,254 |
| 2025 | $198,503 | 26 | $1.4 million |
How to apply
Sandstone 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 Sandstone Foundation funds
Where it gives
Its grants went to recipients in 4 states, the most to Ohio.
| State | Grants | Amount |
|---|---|---|
| Ohio | 17 | $129,257 |
| California | 7 | $68,646 |
| New York | 1 | $500 |
| Minnesota | 1 | $100 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Positive Education Program | General | $37,516 |
| UCLA Foundation | General | $31,500 |
| The Bail Project | General | $30,000 |
| A Place for Me | General | $25,000 |
| ACLU of Ohio | General | $20,000 |
| Museum of Contemporary Art (Moca) | General | $7,500 |
| Sisters of Notre Dame | General | $7,500 |
| Team Seneca Navy | General | $7,500 |
| Cleveland Playhouse | General | $5,000 |
| The Cleveland Foundation | General | $5,000 |
| La Jolla Playhouse | General | $3,000 |
| Playhouse Square | General | $3,000 |
| The Old Globe | General | $3,000 |
| Borderlight | General | $2,557 |
| Greater Cleveland Foodbank | General | $2,073 |
| Open Doors | General | $2,000 |
| Chagrin History Center | General | $1,500 |
| The Centers for Families and Children | General | $1,100 |
| First Tee | General | $1,000 |
| Ideastream | General | $800 |
| We Care Solar | General | $526 |
| Blindspot Collective (Mac Blinds) | General | $500 |
| The Children's Tumor Foundation | General | $500 |
| American Cancer Society | General | $211 |
| Teen Cancer America | General | $120 |
| Caringbridge | General | $100 |
Officers and trustees
- Robert Martens
- Holley Fowler Martens
- Alycia P Martens
Questions people ask
Does Sandstone Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does Sandstone Foundation give?
$198,503 in tax year 2025, across 26 grants, with a typical grant of $2,778.
Who runs Sandstone Foundation?
Its 2025 filing lists Robert Martens (Director), Holley Fowler Martens (Director) and Alycia P Martens (Director).
What does Sandstone Foundation fund?
Based on its grants, mainly arts and culture, youth programs and health.