Tax-exempt organization ยท Files a Form 5500
DEVELOPMENTAL DISABILITIES INSTITUTE INC
99 HOLLYWOOD DR, SMITHTOWN, NY 11787-3135
EIN
11-6077347
Tax-exempt status
501(c)(3) charitable, religious, educational
IRS · 2026-09
Deductibility
Contributions are deductible
IRS · 2026-09
Foundation classification
School
IRS · 2026-09
IRS ruling date
1967-04
IRS · 2026-09
NTEE code
P820
IRS · 2026-09
Latest tax period on file
2024-12
IRS · 2026-09
Revenue (latest 990)
$159,771,876
IRS · 2026-09
Assets (latest 990)
$102,206,984
IRS · 2026-09
Benefit plan 2, 2024 filing
DEVELOPMENTAL DISABILITIES INSTITUTE, INC. 403(B) PLAN
DOL · 2025-10-15
Participants (start of year)
3,165
DOL · 2025-10-15
Plan features
code 2F2G2J2L2T3D
DOL · 2025-10-15
Plan type
Single-employer plan
DOL · 2025-10-15
Business code (NAICS)
611000
DOL · 2025-10-15
Benefit plan 502, 2024 filing
DEVELOPMENTAL DISABILITIES INSTITUTE WELFARE BENEFITS PLAN
DOL · 2025-07-18