The Ottosen Family Foundation
Invitation OnlyPhoenix, Arizona · EIN 86-0778785 · Private foundation
Grants paid (2025)$893K
Organizations funded15
Typical grant$50,000
Total assets$18.9M
Half of its grants to organizations were between $35,000 and $50,000.
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
13% of grants went outside Arizona.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Banner Health Foundation | Phoenix, AZ | Program support | $300,000 |
| The Salvation Army | Phoenix, AZ | Program support | $70,000 |
| Ballet Arizona | Phoenix, AZ | Program support | $50,000 |
| St Vincent de Paul Society | Phoenix, AZ | Program support | $50,000 |
| St Mary's Food Bank | Phoenix, AZ | Program support | $50,000 |
| The Nature Conservancy | Arlington, VA | Program support | $50,000 |
| O'connor Institute | Phoenix, AZ | Program support | $50,000 |
| Hospice of the Valley | Phoenix, AZ | Public support | $50,000 |
| Barrow Neurological Foundation | Phoenix, AZ | Program support | $50,000 |
| Desert Botanical Garden | Phoenix, AZ | Program support | $48,078 |
| Tgen Foundation | Phoenix, AZ | Program support | $35,000 |
| Rosie's House | Phoenix, AZ | Program support | $35,000 |
| Friends of Arizona Pbs | Phoenix, AZ | Program support | $25,000 |
| Ronald Mcdonald House | Chicago, IL | Program support | $20,000 |
| Heard Museum | Phoenix, AZ | Program support | $10,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $893,078 | 15 |
| 2024 | $805,000 | 14 |
| 2023 | $631,600 | 10 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 15, 2026 - IRS e-file batch, object ID 202611359349104436
- IRS Tax Exempt Organization Search for EIN 86-0778785
- 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.