The Arizona State Capitol

Form 990-PFTax year 2024EIN 72-1583507

Rosztoczy Foundation

A private foundation in Avondale, AZ. Its return for tax year 2024 lists 31 grants and $676,910 paid in grants.

Tax year 2024 (period ending Jan 31, 2025), 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
Diane Rosztoczy
1010 Acacia Circle
Litchfield Park, AZ 85340
(623) 936-7131
[email protected]
Form and materials
Applications and recommendations can be submitted via email or mail
Deadlines
None
Restrictions
None

Assets and giving by year

5 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2024

    $676,910

    Grants listed
    31
    Assets, end of year
    $15,574,417
  • Tax year 2023

    $794,720

    Grants listed
    44
    Assets, end of year
    $9,547,409
  • Tax year 2022

    $593,916

    Grants listed
    43
    Assets, end of year
    $6,479,984
  • Tax year 2021

    $586,218

    Grants listed
    62
    Assets, end of year
    $4,962,272
  • Tax year 2020

    $307,000

    Grants listed
    23
    Assets, end of year
    $2,817,741

Grants paid in 2024

31 grants, largest first

As listed on the return. Grants to individuals show as “Individual”, with purpose and amount only.

  1. Individual

    Donation

    $100,000
  2. Grand Canyon UniversityPhoenix, AZ

    Scholarship college promise program

    $76,900
  3. Northern Az UniversityFlagstaff, AZ

    Scholarship college promise program

    $64,500
  4. Az College of NursingPhoenix, AZ

    College promise scholarships

    $60,997
  5. Arizona State UniversityTempe, AZ

    Scholarships college promise program

    $50,480
  6. Individual

    Scholarship visiting SCH DR laszio nagy div of endocrinology diabetes and metabolism

    $30,000
  7. West Valley Christian SchoolGoodyear, AZ

    Donation

    $25,000
  8. National Center for Families LearningLouisville, KY

    Donation for family literacy model for avondale SCHL district

    $22,500
  9. Individual

    Scholarship admission master of arts program

    $22,500
  10. Individual

    Scholarship to research with DR thomas neiman in cardio-onoclolgy program cardiovascular imaging

    $21,000
  11. Individual

    Scholarship prof zoltan nagy davidson school of engineering

    $21,000
  12. Individual

    Scholarship professor david teece in tusher center for management of intellectual capital

    $21,000
  13. Individual

    Scholarship for visiting researcher prof gabor orosz dept of mechanical engineering

    $21,000
  14. Individual

    Scholarship prof mari lee mifsud dept of rehtoriz and communication studies

    $15,000
  15. Individual

    Scholarship as visiting student researcher nicholas j martin

    $15,000
  16. Garden House FoundationPhoenix, AZ

    Donation

    $15,000
  17. Individual

    Scholarship professor jue chen laboratoryane biophysics and biology

    $14,000
  18. DonorchooseorgNew York, NY

    Donation #13-4129457

    $10,000
  19. Estrella Mountain Community CollegeAvondale, AZ

    Scholarship college promise program

    $10,000
  20. Individual

    Scholarship researcher with DR evanna mills dept of cancer immunology virology

    $9,000
  21. Individual

    Scholarship professor john k lee in dept of medicine division of hematology oncology

    $8,000
  22. Individual

    Scholarship professor sipahi in the college of engineering dept of mechin and industrial eng

    $8,000
  23. Individual

    Scholarship master of law program international business and economic law

    $6,000
  24. Individual

    Scholarship for masters of arts in curatorial studies

    $6,000
  25. Individual

    Scholarship for professional master of engineering in robotics program

    $6,000
  26. Individual

    Scholarship 2 yrd PRGM steinhardt visual arts administration

    $5,000
  27. Individual

    Scholarship external combinatoris at simons laufer mathematical sciences institute

    $5,000
  28. Gathering Buckeye RotaryBuckeye, AZ

    Donation

    $5,000
  29. Phoenix CollegePhoenix, AZ

    Scholarship college promise program

    $3,642
  30. Individual

    Scholarship school of law visiting student research

    $2,500
  31. Carrington CollegeMesa, AZ

    College promise scholarships - refunded

    -$3,109

Approved for future payment

34 grants

Approved in 2024 and not yet paid.

  1. Camp Ctanese FoundationPhoenix, AZ

    Donation

    $55,000
  2. Arizona State UniversityTempe, AZ

    College promise scholarships

    $50,500
  3. Homeless Youth ConnectionPhoenix, AZ

    Donation

    $50,000
  4. DonorchooseorgNew York, NY

    Donation #13-4129457

    $40,000
  5. Individual

    Scholarship prof gyogy buzaki in neuroscience physiology and neurology dept

    $30,000
  6. Individual

    Scholarship with DR jolan walter in dept of pediatrics division of allergy and immunology

    $30,000
  7. Individual

    Scholarship prof gabor orosz dept of mechanical engineering

    $30,000
  8. Individual

    Scholarship DR michale caterino department of plant and enviromental sciences

    $30,000
  9. Individual

    Scholarship with DR michael filbin dept of emergency medicine

    $30,000
  10. Individual

    Scholarship director jay levenson to reserach

    $30,000
  11. Individual

    Scholarship prof gabor orosz department of mechanical engineering

    $30,000
  12. Individual

    Scholarhsip prof miklos molnar div of nephrology and hypertension

    $30,000
  13. Individual

    Scholarship DR klara valli-nagy college of medicine dept of pathology

    $30,000
  14. Individual

    Scholarship prof norbert pardi pna innovation dept of microbology

    $30,000
  15. Individual

    Scholarship2 yr PRGM steinhardt's visual arts administration

    $25,000
  16. Individual

    Scholarship researcher with DR evanna mills dept of cancer immunology and virology

    $21,000
  17. Individual

    Scholarship master of science marketing program at the mays business school

    $20,000
  18. Individual

    Scholarship for a research fellow in cardiac electrophysiology with DR david callans

    $19,500
  19. Individual

    Scholarship prof kate archer graduate school of business architecture planning and preservation

    $17,500
  20. Individual

    Scholarship with hayley eber student researcher

    $17,500
  21. Individual

    Scholarship researcher in lab of DR szillard kiss, dept of opthalmology

    $16,500
  22. Individual

    Scholarship of health infomatics MS program

    $15,000
  23. Grand Canyon UniversityPhoenix, AZ

    College promise scholarships

    $14,500
  24. Individual

    Scholarship prof aaron morris dept of biomedical engineering

    $12,500
  25. Individual

    Scholarship prof milissa kibbe dept of psychological brain sciences

    $12,500
  26. Individual

    Scholarship prof john k lees dept of medicine div hemotology oncology

    $12,000
  27. Open Arms Home for ChildrenLitchfield PK, AZ

    Donation

    $10,000
  28. Individual

    Scholarship DR susan mckinnon dept of surgery

    $7,500
  29. Individual

    Scholarship with prof rifat sipahi college of enginnering dept of mechanical and industrial engineering

    $7,000
  30. Individual

    Scholarship external combinatoris at simons laufer mathematical sciences institute

    $5,000
  31. All Faith Community SVCSBuckeye, AZ

    Donation #54-2160931

    $5,000
  32. Northern Az UniversityFlagstaff, AZ

    College promise scholarships

    $3,281
  33. Phoenix CollegePhoenix, AZ

    College promise scholarships

    $1,700
  34. Az College of NursingPhoenix, AZ

    College promise refund

    -$19,216

Where the money goes

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

  1. Education3 grants $124,40089% of the total
  2. Human services1 grant $15,00011% of the total

By State

Grants to organizations with a US address, latest year.

  1. Arizona10 grants $308,410
  2. Kentucky1 grant $22,500
  3. New York1 grant $10,000

Officers, directors and trustees

6 people as filed

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

  • Diane RosztoczyTRUSTEE Hours 3Pay $0
  • Thomas RosztoczyTRUSTEE Hours 3Pay $0
  • Robert RosztoczyTRUSTEE Hours 3Pay $0
  • Stefi McGeorgeTRUSTEE Hours 3Pay $0
  • Edward RosztoczyTRUSTEE Hours 3Pay $0
  • Thomas ThompsonTRUSTEE Hours 3Pay $0

The return

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