The Sandbox Foundation
Historical FunderWashington, Michigan · EIN 47-5045125 · Private foundation · Website
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):
| Contact | ROCK KUCHENMEISTER |
|---|---|
| Address | 67761 SEVEN LAKES CT, WASHINGTON MI 48095 |
| Phone | 5863361170 |
| AWARDS@SANDBOXFOUNDATION.ORG | |
| Form and materials | VIEW SANDBOXFOUNDATION.ORG FOR DETAILS |
| Deadlines | APPLICATIONS ACCEPTED ANNUALLY FROM JANUARY 1 TO MARCH 1 |
| Restrictions | N/A |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
Grants paid in tax year 2025
No grants to organizations were itemized on this return.
The return also lists 9 grants to individuals ($28,500). We do not publish the names of individual recipients.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $28,500 | 9 |
| 2024 | $22,500 | 7 |
| 2023 | $22,500 | 8 |
Sources
- IRS Form 990-PF, tax year 2025, filed Apr 16, 2026 - IRS e-file batch, object ID 202601069349100510
- IRS Tax Exempt Organization Search for EIN 47-5045125
- Profile updated Nov 10, 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.