Tax-exempt organization ยท Files a Form 5500
THE EXPLORATORIUM
PIER 17 SUITE 100, SAN FRANCISCO, CA 94111-0000
EIN
94-1696494
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
1969-04
IRS · 2026-09
NTEE code
A500
IRS · 2026-09
Latest tax period on file
2025-06
IRS · 2026-09
Revenue (latest 990)
$63,991,919
IRS · 2026-09
Assets (latest 990)
$292,041,625
IRS · 2026-09
Benefit plan 1, 2024 filing
THE EXPLORATORIUM DEFINED CONTRIBUTION RETIREMENT
DOL · 2025-10-15
Participants (start of year)
261
DOL · 2025-10-15
Plan features
code 2C2F2G3D2T
DOL · 2025-10-15
Plan type
Single-employer plan
DOL · 2025-10-15
Business code (NAICS)
712100
DOL · 2025-10-15
Benefit plan 2, 2024 filing
THE EXPLORATORIUM RETIREMENT PLAN
DOL · 2025-10-15