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Walter W Naumburg Foundation Inc

EIN 13-6110449New York, NYPhilanthropyLatest 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, 2:38 PM ET
IRS listing
Listed
Revocation
None
IRS files
Agree
Sanctions
No match
IRS bulletin
No notice
California
No record
Charity type
Operating foundation

$751krevenue
FY2025 · +87% in 3 yrs
8 of 8years filed
’18’19’20’21’22’23’24’25
Revenue and spendingRevenueSpendingDeficit
$0$200k$400k$600k$800k’18’19’20’21’22’23’24’25
Against similar nonprofits FY2025
Months of reserve2.8mo
Revenue growth (annualized)+5.8%
Middle half of peersMedianWalter W Naumburg