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Nonprofit · EIN 23-7398712

NORTHBROOK HISTORICAL SOCIETY

Tax-exempt · NORTHBROOK, IL 60062

Financials

$85K$62K2023$60K$92K2024$71K$75K2025
Revenue Expenses · by fiscal year end
Financials of NORTHBROOK HISTORICAL SOCIETY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
May 31, 2026990$70,692$74,559-$3,867$718,913$0$718,913
May 31, 2025990$60,403$91,844-$31,441$704,792$0$704,792
May 31, 2024990$84,931$62,071$22,860$729,348$0$729,348
Financial details: 990 for the year ended May 31, 2026

Revenue

Contributions, gifts and grants
$46,379
of which government grants
$25,000
Program service revenue
$5,073
Investment income
$2,049
Net income from fundraising events
$16,483
Other revenue
$17,191

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$0
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Legal fees
$43
Accounting fees
$800
Occupancy
$21,119
Depreciation
$11,952
Program services (functional)
$56,257
Management and general (functional)
$18,302

Balance sheet and other

Total assets, start of year
$704,792
Total assets, end of year
$718,913
Total liabilities, end of year
$0
Net assets, end of year
$718,913
Land, buildings and equipment
$574,385
Publicly traded securities
$126,130
Net assets without donor restrictions
$718,913
Gross receipts
$74,245
Employees
0
Volunteers
73
Year formed
1974
State of legal domicile
IL

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended May 31, 2026, highest compensation first.

NameTitleHours / weekCompensation
Scott ThompsonPresident
Trustee or director, Officer
10$0
Morris AndersonVice President
Trustee or director, Officer
6$0
Dan KayeSecretary
Trustee or director, Officer
2$0
William NemmerTreasurer
Trustee or director, Officer
5$0
Brian BruceDirector
Trustee or director
1$0
Ron BernardiDirector
Trustee or director
1$0
Ray DykierVice President
Trustee or director, Officer
10$0
John CariolaDirector
Trustee or director
6$0
Susan CarringtonDirector
Trustee or director
6$0
Gary EberleinDirector
Trustee or director
1$0
Debbie FordDirector
Trustee or director
6$0
Jim HooverDirector
Trustee or director
2$0
Mike HughesDirector
Trustee or director
6$0
Bill LandwehrDirector
Trustee or director
1$0
Elyse MalamudDirector
Trustee or director
2$0
4 more people on this return
NameTitleHours / weekCompensation
Ron SchinleberDirector
Trustee or director
1$0
John SerewiczDirector
Trustee or director
1$0
Norman VictorsonDirector
Trustee or director
1$0
David WhitlockDirector
Trustee or director
1$0
990 for the year ended May 31, 2025: 14 people
NameTitleHours / weekCompensation
Judith HughesPresident
Trustee or director, Officer
30$0
Morris AndersonVice President
Trustee or director, Officer
6$0
Dan KayeSecretary
Trustee or director, Officer
2$0
William NemmerTreasurer
Trustee or director, Officer
5$0
Brian BruceDirector
Trustee or director
4$0
Ron BernardiDirector
Trustee or director
1$0
Ray DykierDirector
Trustee or director
6$0
David ErckDirector
Trustee or director
1$0
Gary EberleinDirector
Trustee or director
1$0
Jim HooverDirector
Trustee or director
4$0
Elyse MalamudDirector
Trustee or director
3$0
John SerewiczDirector
Trustee or director
4$0
Scott ThompsonDirector
Trustee or director
1$0
Norman VictorsonDirector
Trustee or director
2$0
990 for the year ended May 31, 2024: 14 people
NameTitleHours / weekCompensation
Judith HughesPresident
Trustee or director, Officer
30$0
Morris AndersonVice President
Trustee or director, Officer
6$0
Dan KayeSecretary
Trustee or director, Officer
2$0
William NemmerTreasurer
Trustee or director, Officer
5$0
Brian BruceDirector
Trustee or director
4$0
Ron BernardiDirector
Trustee or director
1$0
Ray DykierDirector
Trustee or director
6$0
David ErckDirector
Trustee or director
1$0
Gary EberleinDirector
Trustee or director
1$0
Jim HooverDirector
Trustee or director
4$0
Elyse MalamudDirector
Trustee or director
3$0
John SerewiczDirector
Trustee or director
4$0
Todd StetsonDirector
Trustee or director
1$0
Norman VictorsonDirector
Trustee or director
2$0

Address and contacts

Address (IRS master file)
1812 CHAPEL CT, NORTHBROOK, IL 60062-4646
Signed the 990
William Nemmer, Treasurer
Phone
(847) 498-3404
Return prepared by
Barnes Givens & Barnes Ltd

Mission

TO DISCOVER, COLLECT, PRESERVE AND DISSEMINATE KNOWLEDGE, WHICH WILL ESTABLISH OR ILLUSTRATE THE HISTORY OF THE VILLAGE OF NORTHBROOK, ITS EXPLORATION, SETTLEMENT, DEVELOPMENT AND PROGRESS.

990 for the year ended May 31, 2026

Program accomplishments

  • TO MAINTAIN A HOUSE MUSEUM AND HISTORICAL ARCHIVES WHICH ARE STAFFED BY UNPAID VOLUNTEERS. BOTH ARE OPEN AND AVAILABLE TO THE PUBLIC, FREE OF CHARGE AND TO RESEARCHERS WORLDWIDE VIA THE SOCIETYS WEBSITE. AN ONSITE CONSIGNMENT SHOP SELLS ITEMS TO THE PUBLIC AND ITEMS RELAVANT TO THE SOCIETYS MISSION. DETAILS ABOUT THE MUSEUM AND THE SOCIETY CAN BE FOUND AT : WWW.NORTHBROOKHISTORY.ORG
    Expenses $56,257 · revenue $5,073
  • TO EDUCATE THE PUBLIC THROUGH PROGRAMS AND FESTIVALS WHICH TEACH ABOUT THE HISTORY OF NORTHBROOK. ONE PROGRAM OFFERS 2ND, 3RD OR 4TH GRADE STUDENTS FROM ALL LOCAL SCHOOLS A HALF DAY AT THE MUSEUM LEARNING ABOUT LIFE AND CHORES IN THE VILLAGE IN 1900. AN ANNUAL COMMUNITY FALL FESTIVAL, HISTORICAL PLAYS AND STORY TELLING, A CEMETERY WALK, A GARDEN WALK, VILLAGE BIRTHDAY OPEN HOUSE AND FREE COMMUNITY AND BROADER HISTORY RELATED LECTURES IN PARTHERSHIP WITH THE LIBRARY ARE OFFERED.

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in May, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025May 31, 2026October 15, 2026990 on file
2024May 31, 2025October 15, 2025990 on file
2023May 31, 2024October 15, 2024990 on file

IRS record

EIN
23-7398712
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1974
Accounting year ends
May
Files
Form 990 or 990-EZ
Assets (IRS master file)
$718,913
Income (IRS master file)
$74,245

Filing history

FormYear endedRevenueExpensesAssetsReturn
990May 2026$70,692$74,559$718,913XML
990May 2025$60,403$91,844$704,792XML
990May 2024$84,931$62,071$729,348XML
990May 2023$56,766$71,172$695,183IRS
990May 2022–––IRS
990May 2021–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 23-7398712).

Questions about NORTHBROOK HISTORICAL SOCIETY

What is the EIN of NORTHBROOK HISTORICAL SOCIETY?
The employer identification number (EIN) of NORTHBROOK HISTORICAL SOCIETY is 23-7398712.
Is NORTHBROOK HISTORICAL SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1974.
Are donations to NORTHBROOK HISTORICAL SOCIETY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does NORTHBROOK HISTORICAL SOCIETY file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of NORTHBROOK HISTORICAL SOCIETY due?
The return for tax year 2026 (the year ending May 31, 2027) is due October 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did NORTHBROOK HISTORICAL SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended May 2026.
Who are the officers and directors of NORTHBROOK HISTORICAL SOCIETY?
The 990 for the year ended May 31, 2026 lists 19 people; 0 received compensation from the organization.
How much revenue does NORTHBROOK HISTORICAL SOCIETY have?
On its 990 for the year ended May 31, 2026 it reported revenue of $70,692, expenses of $74,559 and total assets of $718,913 at year end.

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