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Mount Prospect Historical Society

EIN 23-7015806Mount Prospect, ILLatest 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, 2:43 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)

$120krevenue
FY2025 · +21% in 3 yrs
6 of 6years filed
’20’21’22’23’24’25
Revenue and spendingRevenueSpendingDeficit
$0$50k$100k$150k’20’21’22’23’24’25