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The Marine Mammal Center

EIN 51-0144434Sausalito, CAAnimalsLatest 990 FY2025

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Listed with the IRS. Every screen came back clear.

A 501(c)(3) on Publication 78 and the IRS master file.

A paid feature, included from the $75 plan up. Sign in to download.Checked Nov 8, 2026, 7:37 AM ET
IRS nonprofit listing
No issue
Revocation
None
IRS files
Agree
Sanctions
No match
IRS bulletin
No notice
California
Registered
Charity type
509(a)(1)

$19Mrevenue
FY2025 · −18% in 3 yrs
156staff
8 of 8years filed
’18’19’20’21’22’23’24’25
Revenue and spendingRevenueSpendingDeficit
$0$5.0M$10M$15M$20M$25M’18’19’20’21’22’23’24’25
Against similar nonprofits FY2025
Operating margin−25.8%
Months of reserve0.8mo
Revenue growth (annualized)+6.3%
Middle half of peersMedianMarine Mammal Center
Where the money goes FY2025 · $23M spent
Programs$19M79%Management and general$2.0M9%Fundraising$2.8M12%990 FY2025 · Part IX line 25