The Ithaka Foundation
Historical FunderHouston, Texas · EIN 76-0555608 · Private foundation
Half of its grants to organizations were between $1,000 and $12,500.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2024):
| Contact | DAVID H LANGSTAFF |
|---|---|
| Address | 24020 OLD HUNDRED ROAD, DICKERSON MD 20872 |
| Phone | 2023557830 |
| Form and materials | EACH APPLICATION SHOULD INCLUDE THE AMOUNT AND PURPOSE OF THE GRANT AS WELL AS GENERAL INFORMATION REGARDING THE APPLYING ORGANIZATION. APPLICATIONS ARE ACCEPTED AT ANY TIME. NOTICE OF APPROVAL, REJECTION OR REQUEST FOR ADDITIONAL INFORMATION IS USUALLY SENT WITHIN ONE MONTH NO RESTRICTIONS APPLY. |
| 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
100% of grants went outside Texas.
Grants paid in tax year 2024
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Wolf Trap Foundation for the Performing Arts | Vienna, VA | General fund | $35,000 |
| Library of Congress | Washington, DC | General fund | $25,000 |
| Montgomery Countryside Alliance | Poolesville, MD | General fund | $15,000 |
| Revels Inc | Cambridge, MA | General fund | $15,000 |
| Glessner House Museum | Chicago, IL | General fund | $12,500 |
| Pestalozzi USA Childrens Charity | New York, NY | General fund | $10,000 |
| The Aspen Institute | Washington, DC | General fund | $10,000 |
| The Putney School | Putney, VT | General fund | $5,000 |
| Wallingford Symphony Orchestra | Wallingford, CT | General fund | $5,000 |
| Music Associates of Aspen Inc | Aspen, CO | General fund | $3,750 |
| Cathedral Choral Society | Washington, DC | General fund | $2,500 |
| National Constitution Center | Philadelphia, PA | General fund | $2,500 |
| Smith College | Northampton, MA | General fund | $1,000 |
| Blackrock Center for the Arts | Germantown, MD | General fund | $1,000 |
| Madison House Autism Foundation | Rockville, MD | General fund | $1,000 |
| Millenia Music Inc | Lexington, KY | General fund | $1,000 |
| Wind Dance Farm & Earth | Berkley Springs, WV | General fund | $500 |
| Weta | Arlington, VA | General fund | $500 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2024 | $146,250 | 18 |
| 2023 | $145,250 | 16 |
Sources
- IRS Form 990-PF, tax year 2024, filed Jul 29, 2025 - IRS e-file batch, object ID 202512109349100561
- IRS Tax Exempt Organization Search for EIN 76-0555608
- Profile updated Nov 6, 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.