The Oldenburg Family Foundation
Invitation OnlyBangor, Maine · EIN 86-6794998 · Private foundation
Grants paid (2025)$69K
Organizations funded19
Typical grant$2,000
Total assets$1.1M
Half of its grants to organizations were between $1,000 and $5,000.
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
21% of grants went outside Maine.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Penobscot Theatre Company | Bangor, ME | Charitable contribution | $20,000 |
| Dunstable Rural Land Trust | Dunstable, MA | Charitable donation | $7,500 |
| Great Pond Mountain Conservation Tr | Orland, ME | Charitable donation | $6,000 |
| Bangor Land Trust | Bangor, ME | Charitable donation | $5,000 |
| Wilmington High School Swim Team Boosters Inc | Wilmington, MA | Charitable donation | $5,000 |
| Bangor YMCA Building Campaign | Bangor, ME | Charitable donation | $5,000 |
| Maine Public Broadcasting | Lewiston, ME | Charitable donation | $4,000 |
| Bangor YMCA | Bangor, ME | Charitable donation | $3,000 |
| Alzheimer's Association Maine Chap | Scarborough, ME | Charitable donation | $2,000 |
| Literacy Volunteers of Bangor | Bangor, ME | Charitable donation | $2,000 |
| Good Shepard Food Bank of Me | Lewiston, ME | Charitable contribution | $2,000 |
| Bangor Public Library | Bangor, ME | Charitable donation | $1,000 |
| Bangor YMCA | Bangor, ME | Charitable donation | $1,000 |
| Good Samaritan Agency | Bangor, ME | Charitable donation | $1,000 |
| Mabel Wadsworth Center | Bangor, ME | Charitable donation | $1,000 |
| Orono Land Trust | Orono, ME | Charitable donation | $1,000 |
| Wow We're One Wilmington | Wilmington, MA | Charitable contribution | $1,000 |
| Heart of Maine United Way | Bangor, ME | Charitable donation | $1,000 |
| Friends of Wlmington Mem Library | Wilmington, MA | Charitable contribution | $500 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $69,000 | 19 |
| 2024 | $73,000 | 18 |
| 2023 | $35,000 | 13 |
Sources
- IRS Form 990-PF, tax year 2025, filed Apr 29, 2026 - IRS e-file batch, object ID 202631199349100903
- IRS Tax Exempt Organization Search for EIN 86-6794998
- 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.