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Massachusetts Audubon Society Inc

EIN 04-2104702Lincoln, MAEnvironmentLatest 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 Oct 15, 2026, 12:08 PM ET
IRS listing
Listed
Revocation
None
IRS files
Agree
Sanctions
No match
IRS bulletin
No notice
California
Registered
Charity type
509(a)(1)

$56Mrevenue
FY2025 · +13% in 3 yrs
1,239staff
8 of 8years filed
’18’19’20’21’22’23’24’25
Revenue and spendingRevenueSpending
$0$20M$40M$60M$80M’18’19’20’21’22’23’24’25
Against similar nonprofits FY2025
Operating margin4.0%
Months of reserve9.4mo
Revenue growth (annualized)+9.0%
Middle half of peersMedianMassachusetts Audubon Society
Where the money goes FY2025 · $54M spent
Programs$44M82%Management and general$5.2M10%Fundraising$4.3M8%990 FY2025 · Part IX line 25