Skip to main content

Nonprofit · EIN 22-2166966

THE HILLSIDE HISTORICAL SOCIETY INCORPORATED

Tax-exempt · HILLSIDE, NJ 07205

Financials

$14K$11K2023$28K$30K2024$20K$17K2025
Revenue Expenses · by fiscal year end
Financials of THE HILLSIDE HISTORICAL SOCIETY INCORPORATED by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$20,090$17,277$2,813$407,606–$407,606
December 31, 2024990-EZ$28,420$29,855-$1,435$404,793$0$404,793
December 31, 2023990-EZ$13,526$11,454$2,072$406,228$0$406,228
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$6,170
Membership dues
$825
Program service revenue
$0
Investment income
$1,643
Net income from fundraising events
$1,002
Other revenue
$10,450

Expenses

Compensation of officers, directors and key employees
$0
Salaries, compensation and benefits (total)
$0
Occupancy
$13,558
Other expenses
$3,719

Balance sheet and other

Total assets, start of year
$404,793
Total assets, end of year
$407,606
Total liabilities, end of year
–
Net assets, end of year
$407,606
Cash, savings and investments
$132,350
Land and buildings
$209,400
Gross receipts
$20,090

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-EZ for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
Ann PettigrewPresident5$0
Stephen KarwowskiTreasurer7$0
Paul PeytonSecretary3$0
Richard WittingTrustee6$0
Alina HerbTrustee1$0
Toni ChomskyTrustee1$0
Anna MucksavageVice President2$0
990-EZ for the year ended December 31, 2024: 7 people
NameTitleHours / weekCompensation
Ann PettigrewPresident5$0
Stephen KarwowskiTreasurer7$0
Paul PeytonSecretary3$0
Richard WittingTrustee6$0
Alina HerbTrustee1$0
Toni ChomskyTrustee1$0
Anna MucksavageVice President2$0
990-EZ for the year ended December 31, 2023: 6 people
NameTitleHours / weekCompensation
Ann PettigrewPresident5$0
Stephen KarwowskiVice President and Treasurer7$0
Paul PeytonSecretary3$0
Richard WittingTrustee6$0
Alina HerbTrustee1$0
Toni ChomskyTrustee1$0

Address and contacts

Address (IRS master file)
111 CONANT ST, HILLSIDE, NJ 07205-2801
In care of
% STEPHEN KARWOWSKI
Signed the 990-EZ
Stephen, Karwowski

Mission

HISTORICAL & EDUCATIONAL INFORMATION

990-EZ for the year ended December 31, 2025

Program accomplishments

  • FORM 990-EZ PART III LINE 28 - FIRST ACCOMPLISHMENT WOODRUFF HOUSE EATON STORE MUSEUM IS OPEN TO THE GENERAL PUBLIC DURING THE YEAR TO PROVIDE HISTORICAL EDUCATION WHICH IS CONTAINED IN THE MUSEUM AND PROVIDE EDUCATION ABOUT OUR LOCAL AREAS HISTORY. THE MUSEUM IS STAFFED BY ALL VOLUNTEER MEMBERS BELONGING TO THE ORGANIZATION. APPROXIAMATELY 440 VISITORS ANNUALLY.
  • FORM 990-EZ PART III LINE 29 - SECOND ACCOMPLISHMENT SCHOOL STUDENT TOURS & PRIVATE TOURS OF THE MUSEUM ENABLE THE ORGANIZATION TO EDUCATE STUDENTS & GENERAL PUBLIC ABOUT THE HISTORICAL SIGNIFICANCE OF THE BUILDING AND OUR COLONIAL HERITAGE,APPROXIAMTELY 265 INDIVIDUALS ATTENDED. THE TOURS ARE CONDUCTED BY THE ORGANIZATIOIN VOLUNTEER MEMBERS AT NO COST TO THE GENERAL PUBLIC.
  • FORM 990-EZ PART III LINE 30 THIRD ACCOMPLISHMENT THE FOUR CENTURIES TOUR IN A WEEKEND PROGRAM WAS AN OPEN HOUSE TO THE GENERAL PUBLIC WHICH ALLOWED ALL PARTICIPANTS TO BECOME FULLY AWARE OF OUR AREAS RICH HISTORY AND EDUCATE THE COMMUNITY OF THE SIGNIFICANT PART OUR COMMUNITY PLAYED IN THE FOUNDING OF OUR COUNTRY. APPROXIAMATELY 260 VISITORS ATTENDED. THE TOURS OF THE BUILDING & GROUNDS WERE CONDUCTED BY THE ORGANIZATION VOLUNTEER MEMBERS AT NO COST TO THE PUBLIC

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-EZ on file
2024December 31, 2024May 15, 2025990-EZ on file
2023December 31, 2023May 15, 2024990-EZ on file

IRS record

EIN
22-2166966
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
1978
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Assets (IRS master file)
$407,606
Income (IRS master file)
$20,090

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025$20,090$17,277$407,606XML
990-EZDecember 2024$28,420$29,855$404,793XML
990-EZDecember 2023$13,526$11,454$406,228XML
990-EZDecember 2022–––IRS
990-EZDecember 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 22-2166966).

Questions about THE HILLSIDE HISTORICAL SOCIETY INCORPORATED

What is the EIN of THE HILLSIDE HISTORICAL SOCIETY INCORPORATED?
The employer identification number (EIN) of THE HILLSIDE HISTORICAL SOCIETY INCORPORATED is 22-2166966.
Is THE HILLSIDE HISTORICAL SOCIETY INCORPORATED tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1978.
Are donations to THE HILLSIDE HISTORICAL SOCIETY INCORPORATED tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does THE HILLSIDE HISTORICAL SOCIETY INCORPORATED file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of THE HILLSIDE HISTORICAL SOCIETY INCORPORATED due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did THE HILLSIDE HISTORICAL SOCIETY INCORPORATED last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
Who are the officers and directors of THE HILLSIDE HISTORICAL SOCIETY INCORPORATED?
The 990-EZ for the year ended December 31, 2025 lists 7 people; 0 received compensation from the organization.
How much revenue does THE HILLSIDE HISTORICAL SOCIETY INCORPORATED have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $20,090, expenses of $17,277 and total assets of $407,606 at year end.

Other nonprofits in HILLSIDE

All nonprofits in HILLSIDE · New Jersey