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Oconomowoc Historical Society

EIN 39-1376661Oconomowoc, WILatest 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 6, 2026, 11:16 PM 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)(2)

$157krevenue
FY2025 · +143% in 3 yrs
3staff
5 of 5years filed
’21’22’23’24’25
Revenue and spendingRevenueSpendingDeficit
$0$50k$100k$150k$200k’21’22’23’24’25
Where the money goes FY2025 · $90k spent
Programs$33k36%Management and general$57k64%990 FY2025 · Part IX line 25