Hall-Halliburton Foundation Inc
Historical FunderJacksonville, Florida · EIN 59-1731934 · Private foundation
Half of its grants to organizations were between $5,000 and $50,000.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):
| Contact | RANDOLPH B MAHONEY |
|---|---|
| Address | PO BOX 37021, JACKSONVILLE FL 32236 |
| Phone | 9046779000 |
| Form and materials | WRITTEN REQUEST |
| Deadlines | NONE |
| Restrictions | NONE |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
50% of grants went outside Florida.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Whitefish Community Foundation | Whitefish, MT | Support | $1,000,000 |
| Lightbridge Hospice Community Found | San Diego, CA | Support | $50,000 |
| Jacksonville Historical Society | Jacksonville, FL | Support | $20,000 |
| Riverside Rotary Club Foundation | Jacksonville, FL | Support | $5,000 |
The return also lists 1 grant to individuals ($10,000). We do not publish the names of individual recipients.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $1,085,000 | 5 |
| 2024 | $2,779,250 | 21 |
| 2023 | $1,533,413 | 15 |
| 2022 | $2,043,716 | 21 |
Sources
- IRS Form 990-PF, tax year 2025, filed Jul 14, 2026 - IRS e-file batch, object ID 202641959349100439
- IRS Tax Exempt Organization Search for EIN 59-1731934
- Profile updated Nov 7, 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.