Katherine Olson Foundation
Invitation OnlySeattle, Washington · EIN 91-1703239 · Private foundation
Grants paid (2025)$21K
Organizations funded1
Typical grant$1,000
Total assets$249K
Half of its grants to organizations were between $1,000 and $1,000.
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.
Where it gives
100% of grants went outside Washington.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| ALS Association | Arlington, VA | Support of public charity programs | $1,000 |
The return also lists 2 grants to individuals ($20,000). We do not publish the names of individual recipients.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $21,000 | 3 |
| 2024 | $31,000 | 5 |
| 2023 | $12,000 | 3 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 11, 2026 - IRS e-file batch, object ID 202641319349103274
- IRS Tax Exempt Organization Search for EIN 91-1703239
- Profile updated Nov 8, 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.