Foundations · IRS 990 filings

Foundations in Tucson, Arizona

193
foundations with a Tucson address
$122.2M
grants paid, FY2024–FY2025
55
say they accept unsolicited
$9,590
median grant

Grantlas lists 193 foundations that gave a Tucson, Arizona address on their tax filing — 182 private foundations and 11 grantmaking charities such as community foundations and United Ways — from filings for FY2024–FY2025. Together they paid out $122.2 million in grants in their latest filing year, and 55 of them (28%) say they accept unsolicited requests.

Not every foundation here is a Tucson foundation. The city is the mailing address on the foundation’s tax filing, and when a bank or a law firm runs the trust that is the bank’s address, not the place it gives to. Check where a foundation gives before you write.

Top 25 of 193 foundations

All 25 foundations below say on their 990-PF that they accept unsolicited requests. Another 30 in this list say so too. Ranked by what they paid in grants in their latest filing.

Foundations in Tucson, Arizona
Research Corporation dba Research$55,000$8M$74–$193,142FY2024Locked: fit score and contacts
Ruth McC Tankersley Charitable Fnd$50,000$4.7M$3,000–$950,000FY2025Locked: fit score and contacts
Armstrong McDonald Foundation$76,460$2.7M$18,000–$610,000FY2025Locked: fit score and contacts
Connie Hillman Family Foundation$143,316$2.7M$2,500–$975,000FY2024Locked: fit score and contacts
Lapan Memorial Sunshine Foundation Inc$3,927$1.8M$200–$707,412FY2024Locked: fit score and contacts
The Hs Lopez Family Foundation$10,000$1.8M$1,000–$2MFY2024Locked: fit score and contacts
Marshall Foundation$25,000$1.7M$500–$200,000FY2024Locked: fit score and contacts
Margaret E Mooney Foundation$175,000$1.7M$1,000–$750,000FY2025Locked: fit score and contacts
Potoff Private Philanthropy$177,000$1.6M$15,000–$775,000FY2025Locked: fit score and contacts
Stanley M Reinhaus Family Foundation$20,000$752,870$2,500–$200,300FY2024Locked: fit score and contacts
The George Mason Green and Lois C$7,500$667,255$1,255–$651,000FY2024Locked: fit score and contacts
Click Family Foundation$12,500$544,817$417–$100,000FY2025Locked: fit score and contacts
Fred & Christine Armstrong Foundation$10,000$452,000$2,000–$25,000FY2024Locked: fit score and contacts
Ross and Patty McCallister Foundation$10,000$451,000$1,000–$100,000FY2024Locked: fit score and contacts
The James and Pamela Griffith Family$435,000$450,000$420,000–$450,000FY2025Locked: fit score and contacts
Declaration of Trust of the Joseph$20,000$334,544$5,000–$125,000FY2024Locked: fit score and contacts
Zuckerman Family Foundation$15,000$287,000$5,000–$165,000FY2025Locked: fit score and contacts
Harris Family Foundation$10,000$199,637$1,000–$80,000FY2024Locked: fit score and contacts
The Kai Family Foundation$3,000$192,980$1,000–$25,000FY2025Locked: fit score and contacts
Raymond & Margaret Vicker Trust$5,000$183,000$2,500–$50,000FY2025Locked: fit score and contacts
Elizabeth Read Taylor Foundation$4,000$182,000$1,000–$25,000FY2025Locked: fit score and contacts
Absolon Foundation$25,000$167,500$12,500–$55,000FY2024Locked: fit score and contacts
Radke Family Foundation$7,000$125,750$1,000–$120,000FY2025Locked: fit score and contacts
Shay Emma Hammer Research Foundtion$120,000$120,000—FY2024Locked: fit score and contacts
Mulcahy Foundation$10,000$116,200$1,000–$50,000FY2024Locked: fit score and contacts
  • Median grant and grant range come from the 990-PF grant schedule; a dash means there is none to report.
  • “One grant” means a schedule with a single grant — no median, nothing to range over. “One amount” means several grants, all the same size.

168 more foundations — see all in Grantlas

Data from 990-PF and Form 990 filings, FY2024–FY2025. Updated November 8, 2026.