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International Society for Third Sector Research Inc

EIN 81-1457448Seattle, WAInternationalLatest 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, 5:59 AM ET
IRS nonprofit listing
No issue
Revocation
None
IRS files
Agree
Sanctions
No match
IRS bulletin
No notice
California
No record
Charity type
509(a)(1)

$278krevenue
FY2025 · −15% in 3 yrs
3staff
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
Operating margin−53.2%
Months of reserve2.8mo
Revenue growth (annualized)−8.8%
Middle half of peersMedianInternational Society for Third Sector Research
Where the money goes FY2025 · $425k spent
Programs$344k81%Management and general$67k16%Fundraising$14k3%990 FY2025 · Part IX line 25