The Mason Green Foundation
Historical FunderBartlesville, Oklahoma · EIN 47-5157492 · Private foundation · Website
Half of its grants to organizations were between $4,925 and $4,925.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2024):
| Contact | The Mason Green Foundation |
|---|---|
| Address | 17320 E Sunset Rdg, Owasso OK 74055 |
| Phone | 6203318247 |
| jeffg@locknclimb.com | |
| Form and materials | None |
| Deadlines | None |
| Restrictions | Reasonable restrictions on group of potential grantees |
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
0% of grants went outside Oklahoma.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Angel Flight Inc | Tulsa, OK | Donation | $4,925 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $4,925 | 1 |
| 2023 | $4,567 | 2 |
Sources
- IRS Form 990-PF, tax year 2024, filed Nov 17, 2025 - IRS e-file batch, object ID 202503219349106680
- IRS Tax Exempt Organization Search for EIN 47-5157492
- 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.