Tax-exempt organization · Files a Form 5500 · State registration on file
THE MARFAN FOUNDATION INC
22 MANHASSET AVE, PRT WASHINGTN, NY 11050-2023
EIN
52-1265361
Texas registration
Active · Foreign nonprofit corporation
TX Comptroller · 2026-09-05
Texas document number
0800651176
TX Comptroller · 2026-09-05
Tax-exempt status
501(c)(3) charitable, religious, educational
IRS · 2026-09
Deductibility
Contributions are deductible
IRS · 2026-09
Foundation classification
Publicly supported charity (170(b)(1)(A)(vi))
IRS · 2026-09
IRS ruling date
1982-11
IRS · 2026-09
Latest tax period on file
2025-06
IRS · 2026-09
Revenue (latest 990)
$7,780,692
IRS · 2026-09
Assets (latest 990)
$19,547,558
IRS · 2026-09
Benefit plan 1, 2024 filing
403(B) THRIFT PLAN FOR EMPLOYEES OF THE MARFAN FOUNDATION, INC.
DOL · 2025-07-17
Participants (start of year)
40
DOL · 2025-07-17
Plan assets (end of year)
$3,944,187
DOL · 2025-07-17
Plan features
code 2G3D2F2T2S
DOL · 2025-07-17
Plan type
Multiemployer plan
DOL · 2025-07-17