Private foundation · EIN 86-0778785 · Phoenix, Arizona · Philanthropy & grantmaking

Ottosen Foundation

Should you approach them?

Don't send a cold proposal. The foundation reports that it only gives to preselected organizations; an introduction through a current grantee or board member is the realistic route.

From the 2025 Form 990-PF: 15 grants paid, $893K total, median $50K. 87% of grants stayed in Arizona.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
15
$893K
Median grant
$50K
Stays in AZ
87%
of grants
Deadline
—
Assets
$8.8M

Grants paid in 2025

15 grants, all shown · from Form 990-PF Part XV

RecipientPurposeAmount
Banner Health FoundationPhoenix, AZProgram support$300K
The Salvation ArmyPhoenix, AZProgram support$70K
Ballet ArizonaPhoenix, AZProgram support$50K
St Vincent de Paul SocietyPhoenix, AZProgram support$50K
St Mary's Food BankPhoenix, AZProgram support$50K
The Nature ConservancyArlington, VAProgram support$50K
O'Connor InstitutePhoenix, AZProgram support$50K
Hospice of the ValleyPhoenix, AZPublic support$50K
Barrow Neurological FoundationPhoenix, AZProgram support$50K
Desert Botanical GardenPhoenix, AZProgram support$48K
Tgen FoundationPhoenix, AZProgram support$35K
Rosie's HousePhoenix, AZProgram support$35K
Friends of Arizona PBSPhoenix, AZProgram support$25K
Ronald McDonald HouseChicago, ILProgram support$20K
Heard MuseumPhoenix, AZProgram support$10K

By state: Arizona 13 · Virginia 1 · Illinois 1

About this foundation

Ottosen Foundation is a private grantmaking foundation in Phoenix, Arizona, administered in care of Barbara J Ottosen Pres, tax-exempt since 1995. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

All filings on ProPublica

Does Ottosen Foundation accept grant applications?

No. On its 2025 Form 990-PF the foundation checked that it only makes contributions to preselected organizations. Look for an introduction through a current grantee.

How much does Ottosen Foundation give each year?

In tax year 2025 it paid $893K across 15 grants, a median of $50K.

Where does Ottosen Foundation give?

Arizona (13 grants), Virginia (1 grants), Illinois (1 grants), per its latest filing.

More foundations near Phoenix that accept applications

All in Arizona
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Virginia G Piper Charitable Trust 08-11-95since 1996 Phoenix, AZ $24M483 grants · 2024 $7,500Yes $443M
Flinn Foundationsince 2020 Phoenix, AZ $7.7M111 grants · 2024 $33KPreselected only $263M
Kemper & Ethel Marley Foundationsince 1991 Phoenix, AZ $14M1 grants · 2024 $14MPreselected only $250M
Moreno Family Foundationsince 1999 Phoenix, AZ $9.2M81 grants · 2024 $25KPreselected only $143M
Pivotal Foundationsince 2006 Phoenix, AZ $2.7M53 grants · 2024 $25KPreselected only $92M
Steele Foundation Incsince 1980 Phoenix, AZ $3.7M34 grants · 2024 $12KPreselected only $66M
Rodel Foundationsince 2002 Phoenix, AZ $2.0M17 grants · 2024 $25KPreselected only $64M
Timothy T Day Foundation Incsince 1997 Phoenix, AZ $5.6M66 grants · 2024 $23KPreselected only $49M
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