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Form 990-PFTax year 2024EIN 76-0555608

The Ithaka Foundation

A private foundation in Houston, TX. Its return for tax year 2024 lists 18 grants and $146,250 paid in grants.

See which foundations fund work like yours Matching by cause, place and grant size

Tax year 2024 (period ending Dec 31, 2024), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Accepts applications

The return gives an application contact and rules, as below.

Contact
David H Langstaff
24020 Old Hundred Road
Dickerson, MD 20872
(202) 355-7830
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

Assets and giving by year

7 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2024

    $146,250

    Grants listed
    18
    Assets, end of year
    $1,646,051

  • Tax year 2023

    $145,250

    Grants listed
    16
    Assets, end of year
    $1,683,199

  • Tax year 2022

    $166,000

    Grants listed
    11
    Assets, end of year
    $1,759,561

  • Tax year 2021

    $182,474

    Grants listed
    23
    Assets, end of year
    $1,833,302

  • Tax year 2020

    $88,500

    Grants listed
    10
    Assets, end of year
    $1,779,196

  • Tax year 2019

    $155,250

    Grants listed
    16
    Assets, end of year
    $1,707,926

  • Tax year 2018

    $130,500

    Grants listed
    11
    Assets, end of year
    $1,684,439

Grants paid in 2024

18 grants, largest first

As listed on the return.

  1. Wolf Trap Foundation for the Performing ArtsVienna, VA

    General fund

    $35,000
  2. Library of CongressWashington, DC

    General fund

    $25,000
  3. Montgomery Countryside AlliancePoolesville, MD

    General fund

    $15,000
  4. Revels IncCambridge, MA

    General fund

    $15,000
  5. Glessner House MuseumChicago, IL

    General fund

    $12,500
  6. Pestalozzi USA Childrens CharityNew York, NY

    General fund

    $10,000
  7. The Aspen InstituteWashington, DC

    General fund

    $10,000
  8. The Putney SchoolPutney, VT

    General fund

    $5,000
  9. Wallingford Symphony OrchestraWallingford, CT

    General fund

    $5,000
  10. Music Associates of Aspen IncAspen, CO

    General fund

    $3,750
  11. Cathedral Choral SocietyWashington, DC

    General fund

    $2,500
  12. National Constitution CenterPhiladelphia, PA

    General fund

    $2,500
  13. Smith CollegeNorthampton, MA

    General fund

    $1,000
  14. BlackRock Center for the ArtsGermantown, MD

    General fund

    $1,000
  15. Madison House Autism FoundationRockville, MD

    General fund

    $1,000
  16. Millenia Music IncLexington, KY

    General fund

    $1,000
  17. Wind Dance Farm & EarthBerkley Springs, WV

    General fund

    $500
  18. WetaArlington, VA

    General fund

    $500

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Arts and culture8 grants $38,75059% of the total
  2. Public affairs1 grant $15,00023% of the total
  3. Social science1 grant $10,00015% of the total
  4. Education1 grant $1,0002% of the total
  5. Health1 grant $1,0002% of the total

By State

Grants to organizations with a US address, latest year.

  1. District of Columbia3 grants $37,500
  2. Virginia2 grants $35,500
  3. Maryland3 grants $17,000
  4. Massachusetts2 grants $16,000
  5. Illinois1 grant $12,500
  6. New York1 grant $10,000
  7. Connecticut1 grant $5,000
  8. Vermont1 grant $5,000
  9. Colorado1 grant $3,750
  10. Pennsylvania1 grant $2,500

Officers, directors and trustees

4 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • David H LangstaffDIRECTOR Hours 0.5Pay $0
  • Cynthia Shauer LangstaffVICE PRESIDE Hours 0.5Pay $0
  • Lee M LangstaffDIRECTOR Hours 0.5Pay $0
  • Lee M LangstaffDIRECTOR Hours 0.5Pay $0

The return

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