Castlewood Historical Society
Invitation OnlyCastlewood, South Dakota · EIN 46-0402371 · Private foundation
Half of its grants to organizations were between $10,000 and $10,000.
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
0% of grants went outside South Dakota.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Citizens State Bank | Castlewood, SD | Store front renovation | $10,000 |
| Castlewood Community Foundation | Castlewood, SD | Parking lot project | $10,000 |
The return also lists 3 grants to individuals ($9,611). We do not publish the names of individual recipients.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $29,611 | 5 |
| 2024 | $67,546 | 4 |
| 2023 | $43,365 | 4 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 15, 2026 - IRS e-file batch, object ID 202631359349103583
- IRS Tax Exempt Organization Search for EIN 46-0402371
- 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.