Mission
TO CONNECT YOUNG PEOPLE TO THE WONDER AND SCIENCE OF THE NATURAL WORLD, IGNITING SELF-DISCOVERY AND INSPIRING STEWARDSHIP OF OUR PLANET.
Public Charity
NATUREBRIDGE
NATUREBRIDGE, of SAUSALITO, CA, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $22.3M in revenue, $21.0M in expenses, $21.0M in total assets. 161 publicly reported grants to this organization, totaling roughly $7.6M, appear in IRS filings.
EIN: 942145930
SAUSALITO, CA
Environmental Education
NTEE: C60
Latest filing: 2025
Total Revenue$22.3M
Total Expenses$21.0M
Total Assets$21.0M
Grant Records161
Funding Total$7.6M
Filing Years2021–2025
Where $100 goes at Naturebridge
How Naturebridge divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.
$84
Programs
the work itself
$10
Management
running the organization
$6
Fundraising
raising the next dollar
Inside the $84 for programs
$84
Naturebridge connects young people to the wonder and science of the natural world, igniting self-discovery and inspiring stewardship of our planet
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Sample Grants Received
GENERAL SUPPORT
$8,867
ENVIRONMENTAL AND ANIMALS
$255,950
For grant recipient's exempt purposes
$215,612
Nature Near Schools Meaningful Watershed Educational Experience
$135,996
GENERAL SUPPORT
$104,953
Showing up to 5 of 161 total records — full history available with membership.
Officers & Directors
CHIEF DEVELOPMENT OFFICER
Aaron Craig Rich
VICE CHAIR
Ananda Baron
DIRECTOR
Anne W Baxter
DIRECTOR
Auny Abegglen
DIRECTOR (THRU 5/9/25)
Autumn Saxton-Ross
DIRECTOR
Brad O'brien
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $22.3M | $21.0M | $21.0M |
| 2024 | $20.2M | $18.4M | $19.5M |
| 2023 | $15.6M | $17.6M | $16.9M |
| 2022 | $11.4M | $36.5M | $18.3M |
| 2021 | $7.8M | $5.8M | $43.9M |
Between 2021 and 2025, reported annual revenue grew from $7.8M to $22.3M (+187%), with total assets most recently reported at $21.0M.
Interactive year-over-year charts and full filing details available with membership.